Refrigerant Gas Test - Macurco RD-6 Instructions D'utilisation

Refrigerant Gas Test

The following steps must be performed when conducting a calibration verification test (bump test) to ensure proper performance of the
monitor. Failure to do so may adversely affect product performance and result in sickness or death.
 When performing a calibration verification test (bump test) only use certified calibration gas at the required concentration level.
Do not test with expired calibration gas.
 If the instrument cannot be tested, do not use until the reason can be determined and corrected.
 Do not cover or obstruct display or visual alarm cover.
 Ensure sensor inlets are unobstructed and free of debris
General
The RD-6 calibration can be verified or bump-tested with the RD-FTK with R-134a refrigerant gas, regulator and test hood, available
through your local representative or from Macurco.
Note: For optimum test results it is suggested that the unit be in clean air (green light on steady) and be in a low ambient air flow.
Contents of the FTK
 RD-FTK: (1) Gas Cylinder, 300 ppm R-134a refrigerant gas in air
 Gas regulator with about two feet of plastic tubing
 Humidifier
 Test hood
FTK Information
Several detectors can be tested with one FTK. The only limitation is the amount of gas in the cylinder and the flow of the regulator. The
34 liter cylinder for example with a 0.2LPM regulator has approximately 170 minutes of continuous calibration run time. Replacement
cylinders are available. The gas cylinder should be replaced when the pressure gauge on the regulator shows 25-psi or less.
Note: Gas testing results can vary depending upon temperature, humidity, test duration and other variables. For optimum results it is
suggested that the unit be in continuous operation for a minimum of 72 hours, in a stable environment and at standard conditions
before proceeding with testing.
Gas Testing
Preparing the Humidifier
1. Open the two plastic halves of the humidifier by holding one half steady and turning the other one counterclockwise. Then pull them
apart.
2. Pull out the orange sponge and wet it.
3. Squeeze the sponge such that there are not any visible drops of water on the sponge (it should only be damp).
4. Put the sponge back into the humidifier housing and close it.
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