Checking The Sensitivity And The Zero-Point; Operating Status; Maintenance - Dräger Drager X-node Instructions For Use Manual

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Operating status

Table 2
Status LEDs lighting up
Status LED lit up green
Status LED lit up red
8.3

Checking the sensitivity and the zero-point

1
18
Meaning
There is a radio link between the
sensing head and the gateway
There is no radio link between the
sensing head and the gateway
2
Sensitivity
1. Start the Dräger X-node app.
2. In the "Sensor" menu, select the device to be checked.
3. Open the measured value window.
4. Apply the gas from the test gas cylinder (1) with the gas supply
adapter (2) to the sensor with a minimum of 0.5 L/min.
5. After 3 minutes, a minimum of 80% of the test gas concentration
indicated on the test gas cylinder must be reached.
✓ The sensor is OK.
Zero-point
The sensor needs a fresh air feed for zero calibration (approx. 400
ppm CO ).
2
9 Operating status
Table 3
Status LEDs flashing
Flashing green
Flashing red
Flashing blue
10

Maintenance

The sensing head and the LoRa gateway do not require
maintenance. The service life of the used sensor depends on the
sensor type. When the sensor is taken out of the sensing head, the
Instructions for use
Meaning
Operating status is fault-free.
Operating status is faulty (e.g.
due to faulty position).
The sensing head is communi-
cating via Bluetooth.
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Dräger X-node