: Gas detection control unit for measurement of flammable and/or toxic
gases as well as oxygen. Display. Menu guided configuration. 2 alarm
levels. 2 alarm, horn and fault relays. Analogue output 4…20 mA (only
ET-1DA).
Number of Transmitters: : 1 (4-20 mA)
Signal Processing: : Microcontroller with A/D-Converter
Alarm/Fault/Indication: : Illuminated 4-lined display for indication of measured values,
messages and alarms, bar graph indication of concentration
Green operation LED
2 reds alarm LEDs (alarm level 1 and 2)
yellow LED for indication of device and transmitter fault
User Interface: : Menu guided system via display and keys
Completely configurable at device, no tools needed
Password protection
Alarm Evaluation: : 2 freely adjustable alarm levels
Monitoring: over-scale or under-scale
Latching of each alarm configurable
Relays, potential free: : 4 change-over contacts 230 V / 5 A for Alarm 1 and 2, fault, horn
(total power consumption: max. 10 A, ohmic)
Additional Features: : Adjustment of zero point and sensitivity of measuring channel
Alarm locking in maintenance mode
Horn alarm separately reset able
2 Digital inputs, potential free
Analogue Outputs 4…20 mA (only ET-1DA)
Operation Temperature: : -10 °C to +40 °C
Storage Temperature: : -25 °C to +60 °C, Humidity: non-condensing