Action Level Options
Alarm level specified as "HK-Gx-Annn", where:
"x" is the target gas: H
"nnn" is alarm conc./resolution
EG: Hydrogen 10,000 PPM is "HK-GH-A100"
Note: 10-80% of sensor range only.
Warning level specified as "Wpp", where:
"pp" is percentage code.
Percentage code is 20-80% of alarm level
Error Handling Options
1. Audio-visual indication of errors [E1]
2. Errors trigger alarms (fail safe) [E2]
Output Signal Option
1. TTL - Norm.-high, Auto (self-clearing) [O1]
2. TTL - Norm.-low, Auto (self-clearing) [O2]
3. TTL - Norm.-high, Latch (Button reset) [O3]
4. TTL - Norm.-low, Latch (Button reset) [O4]
(Specify TTL signal to respond to warning
state, alarm state, or both.)
5. Proportional output - 0 to 3VDC [O5]
60mV safety offset (zero reading)
250 steps of 11.73mV each
Each step equals 100 ppm
6. Proportional output - 4-20mA [O6]
30VDC maximum input supply voltage
Audio Sounder Options
1. No beeper [S0]
2. Includer beeper [S1]
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Relay Options
1. Relay not required [R0]
2. Normally-closed, Auto (self-clearing) [R1]
3. Normally-open, Auto (self-clearing) [R2]
4. Normally-closed, Latch (Button reset) [R3]
5. Normally-open, Latch (Button reset) [R4]
Specify relay to respond to warning state, alarm state, or both.
Enclosure Options
1. Open-frame (Circuit board only) [P0]
2. Anodized aluminum case (With flange) [P1]
Powering Options
1. 3 VDC (+/- 2%) [I1]
2. 6-to-40 VDC switch mode PSU [I2]
3. 6-to-55 VDC switch mode PSU [I3]
Interface Connector
1. Molex 6-pin Mini-Fit Jr. header
- Pin 1: Input power (+)
- Pin 2: Ground (common)
- Pin 3: Output signal
- Pin 4: Dry relay contact #1
- Pin 5: Dry relay contact #2
- Pin 6: PK-Port interface
Custom connectors & harnesses are available with nominal NRE. Please call or email to
discuss custom requirements.
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