How to Use
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1. Turn the sensitivity dial to the halfway point or slightly less than the halfway point between the
maximum sensitivity (+) and minimum sensitivity (-).
2. Press the power button to turn on the GasKnight Pro.
Note: After first turning on, the detector will be alarming and you will hear a constant ringing sound.
This is part of the normal warm-up process.
Note 2: OPERATIONAL STATUS: The “Ready” button displays a solid green light signifying the
detector is in operational status (i.e. is turned on) with sufficient battery life available.
Note 3: ALARM STATUS: The “Alarm” button displays a solid red light signifying the detector is in
alarm status (i.e., that the alarm is going off).
3. Allow the detector to warm-up (i.e. alarm / ring) for 1 minute or until the sensitivity level has been reset.
You will know when this happens as the alarm noise will slow down to a tick or stop altogether.
Note: to limit the noise, you may plug a set of headphones into the headphone jack on the side of the
detector at any time.
4. Adjust the sensitivity dial to your desired level for gas detection
Note: The ideal level to set your sensitivity dial for natural gas / propane detection may be so
that a slow ticking sound can be heard. When a ticking sound can be heard, the detector is
effectively balancing on the edge between alarm status and non-alarm status as it awaits exposure to
gas.
5. You may adjust the sensitivity dial to a faster ticking sound for a higher level of sensitivity and faster gas
detection.
6. You may adjust the sensitivity dial to a slower ticking sound for a lower level of sensitivity and slower
gas detection.
Note: In a normal environment, the typical tick rate is set within a range of 2-8 ticks per second.
7. Once the level of sensitivity has been appropriately set, slowly approach the suspected gas leak source
with the sensor cap (on the end of the hose) for gas leak detection.
Note: The tick rate accelerates as the sensor is exposed to gas until the detector goes into complete
alarm status with constant ringing.
8. After gas has been detected and the alarm has been set off, you may silence the alarm by taking any 1
of the following 3 actions:
a. Reduce the sensitivity level on the sensitivity dial (i.e., turning the dial counterclockwise).
b. Bring the detector into fresh air and wait for the gas or fumes to be fully exhausted from the
sensor. This may take anywhere from 5 seconds to 1 minute depending on the severity of the
sensor’s exposure to gas.
c. Power off the detector. This is not recommended unless you are finished using the device.