E2638-LEL is a combustible gas detector-transmitter designed for reliable monitoring of hydrocarbons such as hydrogen, methane, propane, butane, and others. It offers accurate and stable measurements with options for MOS or Pellistor sensors, ensuring fast response and long sensor lifetime. With analog and digital outputs, relay options, and an LCD indicator, the device provides flexible integration into industrial safety systems. Its IP65-protected enclosure and optional remote probe make it su
E2638-LEL
FEATURES
- Accurate and stable measurement
- Easy-to-install robust enclosure
- Two analog outputs (4–20 mA or 0–10 V, user settable)
- RS485 Modbus RTU digital interface
- Relay option available
- Attached or remote sensor options
- LCD indicator option
BENEFITS
- Detects multiple combustible gases (H2, CH4, C2H2, C3H8, C4H10, C6H14, C8H18)
- Fast response time: ~60 s (MOS) or ≤10 s (Pellistor)
- Long sensor lifetime (>5 years MOS, >3 years Pellistor)
- Flexible installation with wall-mount housing or remote probe
- Self-diagnostics with automatic startup check
- Low maintenance interval (12 months MOS, 6 months Pellistor)
- Suitable for industrial indoor and outdoor use
- Multiple power supply options (12–36 VDC, 24 VAC, 230 VAC)
TECHNICAL DATA
|
Detected gases |
Hydrogen, methane, acetylene, propane, butane, hexane, octane |
|
Default calibration |
Methane (CH4) |
|
Sensor type |
MOS (default), Pellistor (optional) |
|
Sampling method |
Diffusion |
|
Detection range |
0...1000 LEL |
|
Resolution |
0.1% LEL (MOS), 1% LEL (Pellistor) |
|
Response time (T90): |
~60 s (MOS), ≤10 s (Pellistor) |
|
Sensor lifetime |
>5 years (MOS), >3 years (Pellistor) |
|
Signal update |
Every 1 second |
|
Digital interface |
RS485 (Modbus RTU) |
|
Enclosure |
Grey ABS plastic, wall mount, IP65 |
|
Warm-up time |
≤1 min |
|
Power supply |
12–36 VDC (default), 24 VAC / 230 VAC optional |