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DM-501-H₂ Hydrogen Sensor
Brand: Detcon IncDetcon Model DM-501IS-H₂ sensor is designed to detect and monitor H₂ in air over the range 0-100% LEL.
The sensor assembly consists of an electrochemical fuel cell mounted in an Intrinsically Safe stainless steel and ABS plastic housing that includes a splashguard with integral cal port, a signal conditioning control transmitter circuit, a base connector board and an explosion proof junction box.
The Intrinsically Safe sensor housing design allows direct contact of the target gas to the electrochemical sensor, thus maximizing response time, detectability and repeatability.
And because the Intrinsically Safe housing design does not use a stainless steel flame arrestor, it eliminates inaccurate readings due to target gas absorption.
Specifications
Brand
Approvals & Certifications
- CSA Class I, Div. 1, Groups B, C, D
- ISO 9001: 2008
- NRTL
- UL Class I, Div. 1, Groups B, C, D
Consumption
- 1.6 W at 24 Vdc - Power Consumption
Display
- Backlit LCD Display
Electrical Connectors
- Junction Box
Enclosure, Body Material
- ABS Plastic
- Intrinsically Safe Stainless Steel Assembly
Environmental Protection
- Electrical Classification: Explosion-proof Class 1, Div. 1, Groups B, C, D
- IP66
- NEMA 4X
Humidity
- 5 to 95 % Relative Humidity, Non-Condensing
Indication
- LED Indicators for Fault & Cal Status
Input
- 11.5-28 Vdc
Materials of Construction
- Aluminum - Junction Box
- Stainless Steel - Junction Box
Measuring Range
- 0 to 100 % Lower Explosive Limit (LEL) Hydrogen
NPT Connection
- ¾” NPT
Operating Temperature
- -40° to 40° C (-40° to 104° F)
Output
- Linear 4-20 mA DC
Repeatability
- ± 2 % of Full Scale
Response Time
- T90 < 60 seconds
Sensor, Probe Type
- Electrochemical Fuel Cell
Span Effect
- < 2 % Signal Loss Per Month - Span Drift