Fixed / Online Gas Detector
TM-800 / 1600 Multi Channel Gas Monitor
An 8 or 16 channel gas monitor with an individual display for each channel. It accepts any 4-20 mA gas transmitter, gives RS-485 Modbus output for logging and control, and has potential-free contacts to drive extra flashers or hooters.

Datasheet
Specifications
- Channels
- 8 (TM-800) or 16 (TM-1600), individual display per channel
- Gas range — combustible
- 0 – 100% LEL
- Gas range — toxic
- Cl₂ 0–5 up to 50 ppm, SO₂ 0–10 ppm, HCN 0–25 ppm, H₂S 0–100 ppm, CO 0–1000 ppm, VOC 0–1000 ppm, NH₃ 0–1000 ppm (others on request)
- Gas range — oxygen
- 0 – 5, 10, 15, 20, 25, 30% V/V O₂, or 0 – 1000, 1999 ppm O₂
- Detector type
- 3-wire transmitter (combustible), 2-wire transmitter (toxic and oxygen)
- Sensor type
- Catalytic combustion or infrared; electrochemical, semiconductor or PID; electrochemical or galvanic
- Alarms
- Two adjustable alarm levels
- Display
- 4-digit bright LED read-out for each channel
- Indicators
- Red LEDs for Alarm 1 and 2, amber LED for fault
- Contacts
- SPDT potential-free for Alarm 1, Alarm 2 and fault, 230 V AC 5 A
- Output
- Modbus RTU, configurable 2-wire RS-485
- Power supply
- 230 V AC or 110 V AC, 50 Hz (others on request)
- Dimensions — non-flameproof
- TM-800: 275 × 240 × 150 mm; TM-1600: 400 × 325 × 100 mm (H × W × D)
- Dimensions — flameproof
- TM-800: 310 × 350 × 170 mm; TM-1600: 400 × 385 × 220 mm (H × W × D)
- Mounting
- Wall / surface mounted
- Protection
- Dust and weatherproof IP-65 (flameproof optional)
- Operating temperature
- 0 – 60 °C
- Humidity
- 0 – 95% RH, non-condensing
- Optional accessories
- PC software for logging and annunciation


