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Programmable digital CO controller Carbon monoxide detector with low and high alarm relay output Programmable digital CO controller Carbon monoxide detector with low and high alarm relay output

Programmable digital CO controller Carbon monoxide detector with low and high alarm relay output

$46.74$46.74

1 sold
52% off
Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane

Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane

$86.37$179.94

12 sold
50% off
Refrigerant Gas Leak Detection Air Conditioner Detector Halogen Detector High Sensitivity Leak R22/R32/R134a Tester ANENG HD02 Refrigerant Gas Leak Detection Air Conditioner Detector Halogen Detector High Sensitivity Leak R22/R32/R134a Tester ANENG HD02

Refrigerant Gas Leak Detection Air Conditioner Detector Halogen Detector High Sensitivity Leak R22/R32/R134a Tester ANENG HD02

$154.41$308.82

50% off
Water Quality Meter Sensor V1.0 Kit 0-1000ppm Waterproof Probe With Gravity Interface For Hydroponics Aquarium Testing Tool Water Quality Meter Sensor V1.0 Kit 0-1000ppm Waterproof Probe With Gravity Interface For Hydroponics Aquarium Testing Tool

Water Quality Meter Sensor V1.0 Kit 0-1000ppm Waterproof Probe With Gravity Interface For Hydroponics Aquarium Testing Tool

$15.04$30.08

50% off
Halogen Leak Detector SW-743A 0-1000PPM Waterproof LCD Backlight Quick Response For R22 R32 R134a Freon Gas HVAC Halogen Leak Detector SW-743A 0-1000PPM Waterproof LCD Backlight Quick Response For R22 R32 R134a Freon Gas HVAC

Halogen Leak Detector SW-743A 0-1000PPM Waterproof LCD Backlight Quick Response For R22 R32 R134a Freon Gas HVAC

$240.50$481.00

Refrigerant Leak Detector HVAC,0-1000ppm Freon Leak Detector Halogen Gas Freon Sniffer Car AC Leak Detector Refrigerant Leak Detector HVAC,0-1000ppm Freon Leak Detector Halogen Gas Freon Sniffer Car AC Leak Detector

Refrigerant Leak Detector HVAC,0-1000ppm Freon Leak Detector Halogen Gas Freon Sniffer Car AC Leak Detector

$382.50$382.50

50% off
SW-743A Standard Kit Freon Leak Detector Halogen Gas Refrigerant Leak Tester for AC Repair SW-743A Standard Kit Freon Leak Detector Halogen Gas Refrigerant Leak Tester for AC Repair

SW-743A Standard Kit Freon Leak Detector Halogen Gas Refrigerant Leak Tester for AC Repair

$186.00$372.00

50% off
Refrigerant Gas Leak Detector Rechargable R22/R32/R134a Gas Meter ANENG HD02 Refrigerant Gas Air Conditioner Tester Tools Refrigerant Gas Leak Detector Rechargable R22/R32/R134a Gas Meter ANENG HD02 Refrigerant Gas Air Conditioner Tester Tools

Refrigerant Gas Leak Detector Rechargable R22/R32/R134a Gas Meter ANENG HD02 Refrigerant Gas Air Conditioner Tester Tools

$178.07$356.14

50% off
Refrigerant Gas Leak Detector, ANENG HD02 Rechargeable R22/R32/R134a Halogen Freon Tester for HVAC Air Conditioner Refrigerant Gas Leak Detector, ANENG HD02 Rechargeable R22/R32/R134a Halogen Freon Tester for HVAC Air Conditioner

Refrigerant Gas Leak Detector, ANENG HD02 Rechargeable R22/R32/R134a Halogen Freon Tester for HVAC Air Conditioner

$283.66$567.32

50% off
ANENG HD02 Halogen Leak Detector R22 R32 R134a AC Tester Flexible Probe Sound Light Alarm for Refrigeration Maintenance Work ANENG HD02 Halogen Leak Detector R22 R32 R134a AC Tester Flexible Probe Sound Light Alarm for Refrigeration Maintenance Work

ANENG HD02 Halogen Leak Detector R22 R32 R134a AC Tester Flexible Probe Sound Light Alarm for Refrigeration Maintenance Work

$167.31$334.62

58% off
3-in-1 Portable Carbon Monoxide Detector 0‑1000PPM High‑Precision CO Gas Meter Temperature Humidity 3‑Level Sound Alarm Rechargeable CO Monitor For Home RV Camping Garage 3-in-1 Portable Carbon Monoxide Detector 0‑1000PPM High‑Precision CO Gas Meter Temperature Humidity 3‑Level Sound Alarm Rechargeable CO Monitor For Home RV Camping Garage

3-in-1 Portable Carbon Monoxide Detector 0‑1000PPM High‑Precision CO Gas Meter Temperature Humidity 3‑Level Sound Alarm Rechargeable CO Monitor For Home RV Camping Garage

$242.55$577.51

1 sold
Nh3-sensor concentration temperature and humidity detector 485 chicken house cattle, sheep and pig ring farm alarm transmitter Nh3-sensor concentration temperature and humidity detector 485 chicken house cattle, sheep and pig ring farm alarm transmitter

Nh3-sensor concentration temperature and humidity detector 485 chicken house cattle, sheep and pig ring farm alarm transmitter

$300.00$300.00

3% off
Low Cost 3 in 1 Ultrasonic Flow Meter 0-10m/s Velocity Flowmeter 1000ppm Turbidity -30~160 Temperature Function Sensor Low Cost 3 in 1 Ultrasonic Flow Meter 0-10m/s Velocity Flowmeter 1000ppm Turbidity -30~160 Temperature Function Sensor

Low Cost 3 in 1 Ultrasonic Flow Meter 0-10m/s Velocity Flowmeter 1000ppm Turbidity -30~160 Temperature Function Sensor

$2426.73$2501.78

High-Sensitivity Halogen Gas Leak Detector 0-1000ppm Range for HVAC Refrigerants, Detects CFCs, HCFCs, HFCs like R12, R22, R13 High-Sensitivity Halogen Gas Leak Detector 0-1000ppm Range for HVAC Refrigerants, Detects CFCs, HCFCs, HFCs like R12, R22, R13

High-Sensitivity Halogen Gas Leak Detector 0-1000ppm Range for HVAC Refrigerants, Detects CFCs, HCFCs, HFCs like R12, R22, R13

$36.01$36.01

3 sold
51% off
HABOTEST HT609 Gas Leak Detector with Temperature and Humidity Function Portable Combustible Gas Detector HABOTEST HT609 Gas Leak Detector with Temperature and Humidity Function Portable Combustible Gas Detector

HABOTEST HT609 Gas Leak Detector with Temperature and Humidity Function Portable Combustible Gas Detector

$133.52$272.48

18 sold
50% off
ANENG HD02 Halogen Detector High Sensitivity Leak Detector R22/R32/R134a Refrigerant Gas Leak Detection Air Conditioner Tester ANENG HD02 Halogen Detector High Sensitivity Leak Detector R22/R32/R134a Refrigerant Gas Leak Detection Air Conditioner Tester

ANENG HD02 Halogen Detector High Sensitivity Leak Detector R22/R32/R134a Refrigerant Gas Leak Detection Air Conditioner Tester

$237.18$474.36

Electrochemical Ammonia Sensor RS485 4-20mA IP65 for Agriculture QT-G10A NH3 Transmitter 0-50ppm 100ppm 500ppm 1000ppm Pipeline Electrochemical Ammonia Sensor RS485 4-20mA IP65 for Agriculture QT-G10A NH3 Transmitter 0-50ppm 100ppm 500ppm 1000ppm Pipeline

Electrochemical Ammonia Sensor RS485 4-20mA IP65 for Agriculture QT-G10A NH3 Transmitter 0-50ppm 100ppm 500ppm 1000ppm Pipeline

$2159.83$2159.83

30% off
HD01 Refrigerant-Halogen Tester Meter Air Conditioning Leak Detector 0-1000PPM Dual Alarm System R22 R32 R134A Gas Leak Detector HD01 Refrigerant-Halogen Tester Meter Air Conditioning Leak Detector 0-1000PPM Dual Alarm System R22 R32 R134A Gas Leak Detector

HD01 Refrigerant-Halogen Tester Meter Air Conditioning Leak Detector 0-1000PPM Dual Alarm System R22 R32 R134A Gas Leak Detector

$319.20$456.00

Ammonia sensor high-precision industrial breeding alarm RS485 analog output nh3-gas concentration detector 0-5V 0-10V output Ammonia sensor high-precision industrial breeding alarm RS485 analog output nh3-gas concentration detector 0-5V 0-10V output

Ammonia sensor high-precision industrial breeding alarm RS485 analog output nh3-gas concentration detector 0-5V 0-10V output

$300.00$300.00

50% off
ANENG Refrigerant Gas Leak Detection Air Conditioner Detector HD02 Halogen Detector High Sensitivity Leak R22/R32/R134a Tester ANENG Refrigerant Gas Leak Detection Air Conditioner Detector HD02 Halogen Detector High Sensitivity Leak R22/R32/R134a Tester

ANENG Refrigerant Gas Leak Detection Air Conditioner Detector HD02 Halogen Detector High Sensitivity Leak R22/R32/R134a Tester

$172.65$345.31

59% off
NF-604 Halogen Gas Detector Refrigerant Leak Detector HVAC Freon Leak Tester 0-1000ppm R22 R134a R410A Detector with Probe NF-604 Halogen Gas Detector Refrigerant Leak Detector HVAC Freon Leak Tester 0-1000ppm R22 R134a R410A Detector with Probe

NF-604 Halogen Gas Detector Refrigerant Leak Detector HVAC Freon Leak Tester 0-1000ppm R22 R134a R410A Detector with Probe

$291.11$714.55

High Precision Laboratory Gas Meter for CO H2S O2 CH4 (EX) Diffuse Measurement High Precision Laboratory Gas Meter for CO H2S O2 CH4 (EX) Diffuse Measurement

High Precision Laboratory Gas Meter for CO H2S O2 CH4 (EX) Diffuse Measurement

$210.00$210.00

4% off
High-sensitivity Sensor Portable Multi-gas Detector BH-4S CO H2S O2 Combustible Gas (Ex / LEL / CH4) Leakage Detection High-sensitivity Sensor Portable Multi-gas Detector BH-4S CO H2S O2 Combustible Gas (Ex / LEL / CH4) Leakage Detection

High-sensitivity Sensor Portable Multi-gas Detector BH-4S CO H2S O2 Combustible Gas (Ex / LEL / CH4) Leakage Detection

$164.16$171.00

1 sold
50% off
UNI-T UT334E Multi Gas Detector O2 CO H2S Combustible Gases Oxygen Carbon Monoxide Hydrogen Sulfide 4 in 1 Gas Leak Detector UNI-T UT334E Multi Gas Detector O2 CO H2S Combustible Gases Oxygen Carbon Monoxide Hydrogen Sulfide 4 in 1 Gas Leak Detector

UNI-T UT334E Multi Gas Detector O2 CO H2S Combustible Gases Oxygen Carbon Monoxide Hydrogen Sulfide 4 in 1 Gas Leak Detector

$107.00$214.00

12 sold
52% off
Gas Detector Halogen Leak Detector R22/R32/R134a ANENG Analyzer Rechargable HD02 Refrigerant Gas Air Conditioning Tester Tools Gas Detector Halogen Leak Detector R22/R32/R134a ANENG Analyzer Rechargable HD02 Refrigerant Gas Air Conditioning Tester Tools

Gas Detector Halogen Leak Detector R22/R32/R134a ANENG Analyzer Rechargable HD02 Refrigerant Gas Air Conditioning Tester Tools

$171.26$356.79

10 sold
Ammonia concentration sensor nh3-gas chicken house public toilet pig farm detection 4-20mA output RS485 transmitter Ammonia concentration sensor nh3-gas chicken house public toilet pig farm detection 4-20mA output RS485 transmitter

Ammonia concentration sensor nh3-gas chicken house public toilet pig farm detection 4-20mA output RS485 transmitter

$300.00$300.00

49% off
ANENG HD01 Refrigerant Detector R22 R32 R134a Digital High Sensitivity Tester Multi-functional 0~1000PPM Gas Detection Tools ANENG HD01 Refrigerant Detector R22 R32 R134a Digital High Sensitivity Tester Multi-functional 0~1000PPM Gas Detection Tools

ANENG HD01 Refrigerant Detector R22 R32 R134a Digital High Sensitivity Tester Multi-functional 0~1000PPM Gas Detection Tools

$177.01$354.01

1 sold
Aicevoos Carbon Monoxide Detector,Range 0-1000PPM,Professional High Precision CO Gas Monitor Tester,Audible And Visual Alarm Aicevoos Carbon Monoxide Detector,Range 0-1000PPM,Professional High Precision CO Gas Monitor Tester,Audible And Visual Alarm

Aicevoos Carbon Monoxide Detector,Range 0-1000PPM,Professional High Precision CO Gas Monitor Tester,Audible And Visual Alarm

$207.56$207.56

10% off
3-in -1 ammonia sensor NH3 gas transmitter chicken house public toilet pig farm Farm greenhouse laboratory digital display 3-in -1 ammonia sensor NH3 gas transmitter chicken house public toilet pig farm Farm greenhouse laboratory digital display

3-in -1 ammonia sensor NH3 gas transmitter chicken house public toilet pig farm Farm greenhouse laboratory digital display

$265.12$294.58

MEs-CO Carbon Monoxide Gas Sensor Detection Alarm CO Detector for Carbon Monoxide Concentration Detection MEs-CO Carbon Monoxide Gas Sensor Detection Alarm CO Detector for Carbon Monoxide Concentration Detection

MEs-CO Carbon Monoxide Gas Sensor Detection Alarm CO Detector for Carbon Monoxide Concentration Detection

$8.57$8.57

50% off
Refrigerant Gas Leak Detector Rechargable R22/R32/R134a Gas Meter ANENG HD02 Refrigerant Gas Air Conditioner Tester Tools Refrigerant Gas Leak Detector Rechargable R22/R32/R134a Gas Meter ANENG HD02 Refrigerant Gas Air Conditioner Tester Tools

Refrigerant Gas Leak Detector Rechargable R22/R32/R134a Gas Meter ANENG HD02 Refrigerant Gas Air Conditioner Tester Tools

$178.03$356.06

HABOTEST HT601A HT601B Gas Leak Detector 0-1000PPM Sound & Screen Alarm Combustible Natural Methane Gas Detector HABOTEST HT601A HT601B Gas Leak Detector 0-1000PPM Sound & Screen Alarm Combustible Natural Methane Gas Detector

HABOTEST HT601A HT601B Gas Leak Detector 0-1000PPM Sound & Screen Alarm Combustible Natural Methane Gas Detector

$61.98$61.98

11 sold
50% off
ANENG HD02 Freon Leak Detector Refrigerant Gas Leak Detector HVAC Tester Gas Air Conditioner Tester Tools ANENG HD02 Freon Leak Detector Refrigerant Gas Leak Detector HVAC Tester Gas Air Conditioner Tester Tools

ANENG HD02 Freon Leak Detector Refrigerant Gas Leak Detector HVAC Tester Gas Air Conditioner Tester Tools

$180.59$361.18

2 sold
HoldPeak Halogen Gas Detector 0-1000PPM 1PPM 180S Preheat Sound/Vibration Alarm Temp Monitor for HVAC/Refrigeration CFC/HCFC/HFC HoldPeak Halogen Gas Detector 0-1000PPM 1PPM 180S Preheat Sound/Vibration Alarm Temp Monitor for HVAC/Refrigeration CFC/HCFC/HFC

HoldPeak Halogen Gas Detector 0-1000PPM 1PPM 180S Preheat Sound/Vibration Alarm Temp Monitor for HVAC/Refrigeration CFC/HCFC/HFC

$261.03$261.03

HT6020 0-1000PPM High Accuracy Carbon Monoxide Detector Portable Response Beeper Display Alarm HT6020 0-1000PPM High Accuracy Carbon Monoxide Detector Portable Response Beeper Display Alarm

HT6020 0-1000PPM High Accuracy Carbon Monoxide Detector Portable Response Beeper Display Alarm

$671.86$671.86

50% off
SW743A Freon Leak Detector Refrigerant Gas Sniffer 0-1000PPM LCD Backlight For R22 R32 R134a Air Conditioner HVAC SW743A Freon Leak Detector Refrigerant Gas Sniffer 0-1000PPM LCD Backlight For R22 R32 R134a Air Conditioner HVAC

SW743A Freon Leak Detector Refrigerant Gas Sniffer 0-1000PPM LCD Backlight For R22 R32 R134a Air Conditioner HVAC

$240.50$481.00

Programmable digital CO controller Carbon monoxide detector with low and high alarm relay output Programmable digital CO controller Carbon monoxide detector with low and high alarm relay output

Programmable digital CO controller Carbon monoxide detector with low and high alarm relay output

$46.74 $46.74

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
52% off
Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane

Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane

$86.37 $179.94

12 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
50% off
Refrigerant Gas Leak Detection Air Conditioner Detector Halogen Detector High Sensitivity Leak R22/R32/R134a Tester ANENG HD02 Refrigerant Gas Leak Detection Air Conditioner Detector Halogen Detector High Sensitivity Leak R22/R32/R134a Tester ANENG HD02

Refrigerant Gas Leak Detection Air Conditioner Detector Halogen Detector High Sensitivity Leak R22/R32/R134a Tester ANENG HD02

$154.41 $308.82

Categories: Tools, Measurement & Analysis Instruments

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50% off
Water Quality Meter Sensor V1.0 Kit 0-1000ppm Waterproof Probe With Gravity Interface For Hydroponics Aquarium Testing Tool Water Quality Meter Sensor V1.0 Kit 0-1000ppm Waterproof Probe With Gravity Interface For Hydroponics Aquarium Testing Tool

Water Quality Meter Sensor V1.0 Kit 0-1000ppm Waterproof Probe With Gravity Interface For Hydroponics Aquarium Testing Tool

$15.04 $30.08

Categories: Tools, Measurement & Analysis Instruments

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50% off
Halogen Leak Detector SW-743A 0-1000PPM Waterproof LCD Backlight Quick Response For R22 R32 R134a Freon Gas HVAC Halogen Leak Detector SW-743A 0-1000PPM Waterproof LCD Backlight Quick Response For R22 R32 R134a Freon Gas HVAC

Halogen Leak Detector SW-743A 0-1000PPM Waterproof LCD Backlight Quick Response For R22 R32 R134a Freon Gas HVAC

$240.50 $481.00

Categories: Tools, Measurement & Analysis Instruments

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Refrigerant Leak Detector HVAC,0-1000ppm Freon Leak Detector Halogen Gas Freon Sniffer Car AC Leak Detector Refrigerant Leak Detector HVAC,0-1000ppm Freon Leak Detector Halogen Gas Freon Sniffer Car AC Leak Detector

Refrigerant Leak Detector HVAC,0-1000ppm Freon Leak Detector Halogen Gas Freon Sniffer Car AC Leak Detector

$382.50 $382.50

Categories: Tools, Measurement & Analysis Instruments

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50% off
SW-743A Standard Kit Freon Leak Detector Halogen Gas Refrigerant Leak Tester for AC Repair SW-743A Standard Kit Freon Leak Detector Halogen Gas Refrigerant Leak Tester for AC Repair

SW-743A Standard Kit Freon Leak Detector Halogen Gas Refrigerant Leak Tester for AC Repair

$186.00 $372.00

Categories: Tools, Measurement & Analysis Instruments

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50% off
Refrigerant Gas Leak Detector Rechargable R22/R32/R134a Gas Meter ANENG HD02 Refrigerant Gas Air Conditioner Tester Tools Refrigerant Gas Leak Detector Rechargable R22/R32/R134a Gas Meter ANENG HD02 Refrigerant Gas Air Conditioner Tester Tools

Refrigerant Gas Leak Detector Rechargable R22/R32/R134a Gas Meter ANENG HD02 Refrigerant Gas Air Conditioner Tester Tools

$178.07 $356.14

Categories: Tools, Measurement & Analysis Instruments

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50% off
Refrigerant Gas Leak Detector, ANENG HD02 Rechargeable R22/R32/R134a Halogen Freon Tester for HVAC Air Conditioner Refrigerant Gas Leak Detector, ANENG HD02 Rechargeable R22/R32/R134a Halogen Freon Tester for HVAC Air Conditioner

Refrigerant Gas Leak Detector, ANENG HD02 Rechargeable R22/R32/R134a Halogen Freon Tester for HVAC Air Conditioner

$283.66 $567.32

Categories: Tools, Measurement & Analysis Instruments

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50% off
ANENG HD02 Halogen Leak Detector R22 R32 R134a AC Tester Flexible Probe Sound Light Alarm for Refrigeration Maintenance Work ANENG HD02 Halogen Leak Detector R22 R32 R134a AC Tester Flexible Probe Sound Light Alarm for Refrigeration Maintenance Work

ANENG HD02 Halogen Leak Detector R22 R32 R134a AC Tester Flexible Probe Sound Light Alarm for Refrigeration Maintenance Work

$167.31 $334.62

Categories: Tools, Measurement & Analysis Instruments

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58% off
3-in-1 Portable Carbon Monoxide Detector 0‑1000PPM High‑Precision CO Gas Meter Temperature Humidity 3‑Level Sound Alarm Rechargeable CO Monitor For Home RV Camping Garage 3-in-1 Portable Carbon Monoxide Detector 0‑1000PPM High‑Precision CO Gas Meter Temperature Humidity 3‑Level Sound Alarm Rechargeable CO Monitor For Home RV Camping Garage

3-in-1 Portable Carbon Monoxide Detector 0‑1000PPM High‑Precision CO Gas Meter Temperature Humidity 3‑Level Sound Alarm Rechargeable CO Monitor For Home RV Camping Garage

$242.55 $577.51

1 sold

Categories: Tools, Measurement & Analysis Instruments

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Nh3-sensor concentration temperature and humidity detector 485 chicken house cattle, sheep and pig ring farm alarm transmitter Nh3-sensor concentration temperature and humidity detector 485 chicken house cattle, sheep and pig ring farm alarm transmitter

Nh3-sensor concentration temperature and humidity detector 485 chicken house cattle, sheep and pig ring farm alarm transmitter

$300.00 $300.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now
3% off
Low Cost 3 in 1 Ultrasonic Flow Meter 0-10m/s Velocity Flowmeter 1000ppm Turbidity -30~160 Temperature Function Sensor Low Cost 3 in 1 Ultrasonic Flow Meter 0-10m/s Velocity Flowmeter 1000ppm Turbidity -30~160 Temperature Function Sensor

Low Cost 3 in 1 Ultrasonic Flow Meter 0-10m/s Velocity Flowmeter 1000ppm Turbidity -30~160 Temperature Function Sensor

$2426.73 $2501.78

Categories: Tools, Measurement & Analysis Instruments

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High-Sensitivity Halogen Gas Leak Detector 0-1000ppm Range for HVAC Refrigerants, Detects CFCs, HCFCs, HFCs like R12, R22, R13 High-Sensitivity Halogen Gas Leak Detector 0-1000ppm Range for HVAC Refrigerants, Detects CFCs, HCFCs, HFCs like R12, R22, R13

High-Sensitivity Halogen Gas Leak Detector 0-1000ppm Range for HVAC Refrigerants, Detects CFCs, HCFCs, HFCs like R12, R22, R13

$36.01 $36.01

3 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
51% off
HABOTEST HT609 Gas Leak Detector with Temperature and Humidity Function Portable Combustible Gas Detector HABOTEST HT609 Gas Leak Detector with Temperature and Humidity Function Portable Combustible Gas Detector

HABOTEST HT609 Gas Leak Detector with Temperature and Humidity Function Portable Combustible Gas Detector

$133.52 $272.48

18 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
ANENG HD02 Halogen Detector High Sensitivity Leak Detector R22/R32/R134a Refrigerant Gas Leak Detection Air Conditioner Tester ANENG HD02 Halogen Detector High Sensitivity Leak Detector R22/R32/R134a Refrigerant Gas Leak Detection Air Conditioner Tester

ANENG HD02 Halogen Detector High Sensitivity Leak Detector R22/R32/R134a Refrigerant Gas Leak Detection Air Conditioner Tester

$237.18 $474.36

Categories: Tools, Measurement & Analysis Instruments

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Electrochemical Ammonia Sensor RS485 4-20mA IP65 for Agriculture QT-G10A NH3 Transmitter 0-50ppm 100ppm 500ppm 1000ppm Pipeline Electrochemical Ammonia Sensor RS485 4-20mA IP65 for Agriculture QT-G10A NH3 Transmitter 0-50ppm 100ppm 500ppm 1000ppm Pipeline

Electrochemical Ammonia Sensor RS485 4-20mA IP65 for Agriculture QT-G10A NH3 Transmitter 0-50ppm 100ppm 500ppm 1000ppm Pipeline

$2159.83 $2159.83

Categories: Tools, Measurement & Analysis Instruments

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30% off
HD01 Refrigerant-Halogen Tester Meter Air Conditioning Leak Detector 0-1000PPM Dual Alarm System R22 R32 R134A Gas Leak Detector HD01 Refrigerant-Halogen Tester Meter Air Conditioning Leak Detector 0-1000PPM Dual Alarm System R22 R32 R134A Gas Leak Detector

HD01 Refrigerant-Halogen Tester Meter Air Conditioning Leak Detector 0-1000PPM Dual Alarm System R22 R32 R134A Gas Leak Detector

$319.20 $456.00

Categories: Tools, Measurement & Analysis Instruments

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Ammonia sensor high-precision industrial breeding alarm RS485 analog output nh3-gas concentration detector 0-5V 0-10V output Ammonia sensor high-precision industrial breeding alarm RS485 analog output nh3-gas concentration detector 0-5V 0-10V output

Ammonia sensor high-precision industrial breeding alarm RS485 analog output nh3-gas concentration detector 0-5V 0-10V output

$300.00 $300.00

Categories: Tools, Measurement & Analysis Instruments

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50% off
ANENG Refrigerant Gas Leak Detection Air Conditioner Detector HD02 Halogen Detector High Sensitivity Leak R22/R32/R134a Tester ANENG Refrigerant Gas Leak Detection Air Conditioner Detector HD02 Halogen Detector High Sensitivity Leak R22/R32/R134a Tester

ANENG Refrigerant Gas Leak Detection Air Conditioner Detector HD02 Halogen Detector High Sensitivity Leak R22/R32/R134a Tester

$172.65 $345.31

Categories: Tools, Measurement & Analysis Instruments

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59% off
NF-604 Halogen Gas Detector Refrigerant Leak Detector HVAC Freon Leak Tester 0-1000ppm R22 R134a R410A Detector with Probe NF-604 Halogen Gas Detector Refrigerant Leak Detector HVAC Freon Leak Tester 0-1000ppm R22 R134a R410A Detector with Probe

NF-604 Halogen Gas Detector Refrigerant Leak Detector HVAC Freon Leak Tester 0-1000ppm R22 R134a R410A Detector with Probe

$291.11 $714.55

Categories: Tools, Measurement & Analysis Instruments

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High Precision Laboratory Gas Meter for CO H2S O2 CH4 (EX) Diffuse Measurement High Precision Laboratory Gas Meter for CO H2S O2 CH4 (EX) Diffuse Measurement

High Precision Laboratory Gas Meter for CO H2S O2 CH4 (EX) Diffuse Measurement

$210.00 $210.00

Categories: Tools, Measurement & Analysis Instruments

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4% off
High-sensitivity Sensor Portable Multi-gas Detector BH-4S CO H2S O2 Combustible Gas (Ex / LEL / CH4) Leakage Detection High-sensitivity Sensor Portable Multi-gas Detector BH-4S CO H2S O2 Combustible Gas (Ex / LEL / CH4) Leakage Detection

High-sensitivity Sensor Portable Multi-gas Detector BH-4S CO H2S O2 Combustible Gas (Ex / LEL / CH4) Leakage Detection

$164.16 $171.00

1 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
UNI-T UT334E Multi Gas Detector O2 CO H2S Combustible Gases Oxygen Carbon Monoxide Hydrogen Sulfide 4 in 1 Gas Leak Detector UNI-T UT334E Multi Gas Detector O2 CO H2S Combustible Gases Oxygen Carbon Monoxide Hydrogen Sulfide 4 in 1 Gas Leak Detector

UNI-T UT334E Multi Gas Detector O2 CO H2S Combustible Gases Oxygen Carbon Monoxide Hydrogen Sulfide 4 in 1 Gas Leak Detector

$107.00 $214.00

12 sold

Categories: Tools, Measurement & Analysis Instruments

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52% off
Gas Detector Halogen Leak Detector R22/R32/R134a ANENG Analyzer Rechargable HD02 Refrigerant Gas Air Conditioning Tester Tools Gas Detector Halogen Leak Detector R22/R32/R134a ANENG Analyzer Rechargable HD02 Refrigerant Gas Air Conditioning Tester Tools

Gas Detector Halogen Leak Detector R22/R32/R134a ANENG Analyzer Rechargable HD02 Refrigerant Gas Air Conditioning Tester Tools

$171.26 $356.79

10 sold

Categories: Tools, Measurement & Analysis Instruments

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Ammonia concentration sensor nh3-gas chicken house public toilet pig farm detection 4-20mA output RS485 transmitter Ammonia concentration sensor nh3-gas chicken house public toilet pig farm detection 4-20mA output RS485 transmitter

Ammonia concentration sensor nh3-gas chicken house public toilet pig farm detection 4-20mA output RS485 transmitter

$300.00 $300.00

Categories: Tools, Measurement & Analysis Instruments

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49% off
ANENG HD01 Refrigerant Detector R22 R32 R134a Digital High Sensitivity Tester Multi-functional 0~1000PPM Gas Detection Tools ANENG HD01 Refrigerant Detector R22 R32 R134a Digital High Sensitivity Tester Multi-functional 0~1000PPM Gas Detection Tools

ANENG HD01 Refrigerant Detector R22 R32 R134a Digital High Sensitivity Tester Multi-functional 0~1000PPM Gas Detection Tools

$177.01 $354.01

1 sold

Categories: Tools, Measurement & Analysis Instruments

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Aicevoos Carbon Monoxide Detector,Range 0-1000PPM,Professional High Precision CO Gas Monitor Tester,Audible And Visual Alarm Aicevoos Carbon Monoxide Detector,Range 0-1000PPM,Professional High Precision CO Gas Monitor Tester,Audible And Visual Alarm

Aicevoos Carbon Monoxide Detector,Range 0-1000PPM,Professional High Precision CO Gas Monitor Tester,Audible And Visual Alarm

$207.56 $207.56

Categories: Tools, Measurement & Analysis Instruments

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10% off
3-in -1 ammonia sensor NH3 gas transmitter chicken house public toilet pig farm Farm greenhouse laboratory digital display 3-in -1 ammonia sensor NH3 gas transmitter chicken house public toilet pig farm Farm greenhouse laboratory digital display

3-in -1 ammonia sensor NH3 gas transmitter chicken house public toilet pig farm Farm greenhouse laboratory digital display

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Categories: Tools, Measurement & Analysis Instruments

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