What to do if the display is blank on Hydro Instruments Gas Detectors?
If your Hydro Instruments Gas Detectors display is blank, the possible causes are: * Loss of A/C power: Check the A/C power. * Damaged circuit board: Replace the circuit board. * Blown fuse: Replace the fuse.
Why is my Hydro Instruments GA-170 showing a high reading or not returning to zero?
If your Hydro Instruments Gas Detectors show a high reading or the reading won’t return to zero, it might be caused by a damaged sensor. In this case, replace the sensor.
What to do if Hydro Instruments GA-170 Gas Detectors have a negative reading & no response with Alarm Status: Error?
If your Hydro Instruments Gas Detectors show a negative reading and no response with Alarm Status: Error, the possible causes are: * Sensor disconnected: Check the sensor wiring. * Sensor damaged: Replace the sensor.
Why do Hydro Instruments GA-170 Gas Detectors read zero & no response with Alarm Status: Normal?
If your Hydro Instruments Gas Detectors show zero & no response with Alarm Status: Normal, the possible causes are: * Calibration cap not removed: Remove the calibration cap. * Wrong span calibration: Correct the span calibration.
How to fix slightly off zero reading in air for Hydro Instruments Gas Detectors?
If your Hydro Instruments Gas Detectors are slightly off zero in air, it might be caused by an inaccurate zero calibration. To resolve this, perform a zero calibration.
General| Sensor Type | Electrochemical |
|---|---|
| Operating Temperature | -20°C to 50°C |
| Response Time | <15 seconds |
| Alarm | Visual and audible alarms |
| Dimensions | 30 mm |
| Weight | 120 g |
| Operating Humidity | 15-90% RH non-condensing |
Details initial power-up, sensor communication, gas density, and protection for installation.
Explains alarm acknowledgment, 4-20mA output, and alarm relay functions.
Describes the features of the standard operating screens and navigation.
Guides on disconnecting A/C power and installing the battery for backup.
Details how to access the password-protected setup section for configuration.
Explains selecting display units, enabling battery backup, and configuring each sensor channel.
Reviews sensor and monitor installation points to ensure proper setup.
Lists common symptoms, their likely causes, and recommended troubleshooting steps.
Provides detailed explanations for calibration, sensor wiring, and other troubleshooting steps.
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