DM-634 Oxygen Sensor

Manufacturer: Teledyne| Detcon

DM-634 Oxygen Sensor

Manufacturer: Teledyne| Detcon
Detcon Model DM-634 sensors are non-intrusive “Smart” sensors designed to monitor ambient air for concentrations of Oxygen in the range 0-25% by volume. 

The sensor assembly consists of a sensor in a stainless steel housing that includes a splashguard with integral cal port, a plug-in control transmitter circuit, a base connector board and an explosion proof enclosure.

Specifications

Manufacturer

Accuracy

  • ± 2 % of Full Scale

Approvals & Certifications

  • CSA: Class I, Div. 1, Groups B, C, D
  • ISO 9001: 2008
  • NRTL: Class I, Div. 1, Groups B, C, D

Communication

  • Modbus Via RS-485

Consumption

  • < 2.1 W at 24 Vdc

Display

  • Backlit LCD Display

Electrical Connectors

  • Junction Box

Enclosure, Body Material

  • Aluminum
  • Stainless Steel

Environmental Protection

  • Explosion-proof
  • IP66
  • NEMA 4X

Humidity

  • 0 to 99% Relative Humidity, Non-Condensing

Indication

  • LED Indicators for Fault & Cal Status

Input

  • 22-28 Vdc

Linearity

  • ± 0.5 % of Full Scale

Materials of Construction

  • Aluminum - Junction Box
  • Stainless Steel - Junction Box

Measuring Range

  • 0 to 25% Oxygen

NPT Connection

  • ¾” NPT Female
  • ¾” NPT

Operating Temperature

  • -20° to 50° C (-4° to 122° F)

Output

  • 4-20 mA DC (Linear)

Relay Output

  • 3 Relays (Alarm 1, Alarm 2, & Fault)
  • 5 A - Contacts Rated

Repeatability

  • ± 2% of Full Scale

Response Time

  • T90 < 20 seconds

Sensor, Probe Type

  • Galvanic Metal Air Battery

Span Effect

  • < 5% Signal Loss Per Year in First Two Years

Documentation

show more