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RD200-en-GB_V1.0   4/18 

Introduction 

Congratulations on your purchase of the Extech RD200 Refrigerant Leak Detector. This handheld 
meter detects leaks for SF6 gas, all types of HFC, CFC, and HCFC refrigerants as well as most 
compounds containing halogen. 
We ship this meter fully tested and calibrated and, with proper use, it will provide years of 
reliable service. Please visit our website (www.extech.com) to check for the latest version of this 
User Manual and for Customer Support. 

Features 

 

Detects standard refrigerants using a replaceable heated diode sensor (part no. RD200-S) 

 

Audible and visual alerts  

 

Seven (7) visual leakage level LED indicators (color coded) 

 

Low and High selectable sensitivity levels 

 

Battery status LED indicator 

 

Test solution (included) allows the user to check the condition of the sensor 

 

50 cm (19.7”) flexible gooseneck probe 

Safety 

Please read the safety information carefully before attempting to operate the meter. Failure to do 
so could cause personal injury or damage to the meter. 

 

Please read this manual carefully to ensure safe and correct use. 

 

Do not attempt to repair this device. Please return the unit if it requires service. 

 

Do not force the flexible probe to bend over its angle limit. Doing so can damage the device. 

 

Do not subject the probe tip to shock or severe vibration. 

 

Open the provided test bottle only to check the sensor as detailed in this manual. Tightly 
close and safely store the bottle when not in use. 

 

Do not use this device near fire or in flammable/explosive environments. 

 

Do not use organic solvents to clean the meter. 

Summary of Contents for RD200

Page 1: ...User Manual Refrigerant Leak Detector Model RD200 Additional User Manual Translations available at www extech com ...

Page 2: ...e sensitivity levels Battery status LED indicator Test solution included allows the user to check the condition of the sensor 50 cm 19 7 flexible gooseneck probe Safety Please read the safety information carefully before attempting to operate the meter Failure to do so could cause personal injury or damage to the meter Please read this manual carefully to ensure safe and correct use Do not attempt...

Page 3: ...ch ON or if the low battery LED 4 glows red 2 While powering on the leak level LEDs 2 will light in sequence left to right and the start up tone will sound once 3 The meter will start heating the sensor 7 during a 2 minute warm up period the leak level LEDs will continue to light in sequence during the warm up 4 After the warm up the audible tone will sound twice indicating that the detector is re...

Page 4: ...The distance of the sensor 7 to the surface of the component under test should be 5mm 0 2 or nearer Move the probe slowly no more than 25 50mm second 1 to 2 second See the Measurement Considerations section for more information Note To pinpoint a large leak more effectively use compressed air on the suspected area of the leak to help determine the precise location Testing for Leaks in an Evaporato...

Page 5: ...equipment Checking the Probe Condition with the Test Solution The test bottle provided contains an ethanol solution that emits a gas when the bottle is opened If the sensor is in good condition it will detect the gas and the meter will provide audible and visual alerts If alerts do not occur the sensor should be replaced immediately Always tightly seal and safely store the test bottle when not in ...

Page 6: ... 2 minutes approx Response Time Instantaneous Auto Power OFF Automatic shut off after 10 minutes Low Battery Indication Battery status LED glows red Power Supply 9V Battery rear compartment under protective jacket Battery Life 30 hours of normal use Operating Conditions 0 C to 50 C 32 F to 122 F 80 RH Storage Conditions 10 C to 80 C 14 F to 176 F 70 RH Length Flexible Gooseneck only 50 2cm 19 8 Le...

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