氣體洩漏偵測警報控制主機 ExTox

規格

Description:

Gas detection control unit for measurement of flammable and/or toxic

gases as well as oxygen. Smoke detectors as option. Graphic display.

Menu guided configuration. 3 Alarm levels per channel. 12 freely configurable

relays. Analog outputs 4…20 mA (only ET-4DA2).

Features:

Number of Transmitters: 1 to 4 (4-20 mA)

Signal Processing: Microcontroller with A/D-Converter

Alarm/Fault/Indication:

‧ Illuminated graphic display (160 x 80) for indication of measured values, messages and alarms

‧ 12 (3 x 4) red LEDs for alarm indication

‧ LEDs for indication of channel fault (4 x yellow), channel operation (4 x green), operation (1 x green), device fault (1 x yellow)

User Interface:

‧ Menu guided system via graphic display and keys

‧ Completely configurable at device, no tools needed

‧ 3 password protected servicing levels

Alarm Evaluation:

‧ 3 freely adjustable alarm levels per channel

‧ Monitoring: over-scale, under-scale or min/max

‧ Latching of each alarm configurable

Relays, potential free:

‧ 12 change-over contacts 230 V / 5 A, ohmic, (in total: max. 10 A), freely configurable with Alarm 1 to 3 and transmitter fault

‧ 2 change-over contacts 230 V / 5 A, ohmic, for maintenance mode and device fault