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DM-634 Oxygen Sensor
Brand: Detcon IncDetcon 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
Brand
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