Data sheet

DM-701-H2 (4% Range)

Detcon The DM-701-H2 is a non-intrusive "smart" sensor designed to detect and monitor hydrogen in the air over a range of 0 to 4% by volume using electrochemical sensor technology.

The field-replaceable, smart plug-in cell provides automatic recognition of the type and range of gases, and features oversized gold-plated connections that help prevent corrosion.

The sturdy frame of the 700 model features an intrinsically safe, polished 316 stainless steel case with fully encapsulated electronics and double-layer surge protection.

This innovative design virtually eliminates sensor failure due to water ingress, corrosion, vibration and transient spikes. One of the key features of the Model 700 is an intuitive, built-in software that simplifies the operator interface by guiding the user through the usual functions of calibration, configuration, and troubleshooting using an alphanumeric display integrated.

The Model 700 is equipped with standard 4-20 mA analog outputs and Modbus ™ RS-485 outputs. Among its unique features, a wireless option can be used with the Detcon SmartWireless product line.

Additional integration options include a Remote Alarm Module (RAM), HART, and Foundation Fieldbus. Detcon's toxic gas detectors have a long service life and are backed by a first-class warranty.

 

Failsafe user-friendly interface

  • LED display (with anti-glare)

  • Full-text display method

  • Non intrusive interface

  • Auto Zero / Auto Span

  • Preventive diagnosis of defects

Eco-friendly bulletproof

  • Electropolished 316SS construction

  • Circuits encapsulated with 100% epoxy

  • Bulletproof I / O protection

  • Waterproof, corrosion resistant, vibration resistant

Modular and repairable

  • Modular design

  • Plug and Play Components

  • Quick release of the thread (for sensor replacement)

  • Built-in calibration port

Sensor type

Continuous diffusion / adsorption

Electrochemical cell with 3 electrodes

Smart type replaceable plug-in

Measuring range

0-4% by volume, Other ranges available

Precision / Repeatability

±2% FS

Response / compensation time

T90 <60 seconds

Span Drift

<2% loss of signal per month

outputs

Linear 4-20 mA DC

RS-485 MODBUS-RTU