Action Level Options
Alarm level specified as "MN-Gx-Annn", where:
"x" is the target gas: H / M / P / C
"nnn" is alarm conc./resolution
EG: Hydrogen 10,000 PPM is "MN-GH-A025"
Note: 10-75% of sensor range only.
Warning level specified as "Wpp", where:
"pp" is percentage code.
Percentage code is 20-80% of alarm level
Output Signal Options
1. TTL - Norm.-high, Auto (self-clearing) [O1]
2. TTL - Norm.-low, Auto (self-clearing) [O2]
3. TTL - Norm.-high, Latch (power reset) [O3]
4. TTL - Norm.-low, Latch (power reset) [O4]
(Specify TTL signal to respond to warning
state, alarm state, or both.)
5. Proportional output - 0 to 5VDC [O5]
0.5V safety offset (zero reading)
200 steps of 20mV each
Each step equals one resolution unit
6. State step - 0 to 5VDC [O6]
(Voltage-encoded states)
Hysteresis Options
1. None [H0]
2. Apply output signal hysteresis [H1]
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Error Handling Options
1. Error state indication [E1]
2. Errors trigger alarm (fail safe) [E2]
Overdose Handling Options
1. Failure to hypersensitivity [X1]
2. Failure to persistent error state [X2]
Powering Options
1. 5 VDC (+/- 5%) [I1]
2. 7-to-40 VDC switch mode PSU [I2]
3. 7-to-60 VDC switch mode PSU [I3]
Interface Connector
1. Hirose 4-pin header (2mm) [K1]
2. RJ-11 (6-4) [K2]
3. Terminal block (3.5mm) [K3]
Custom connectors & harnesses are available with nominal NRE. Please call or email to
discuss custom requirements.
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