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DM-701-ClO₂ Chlorine Dioxide Sensor
Brand: Detcon IncDetcon Model DM-701-ClO₂ is a non-intrusive “Smart” sensor designed to detect and monitor Chlorine Dioxide in air over the range of 0-1 ppm using electrochemical sensor technology.
The intelligent plug-in, field replaceable cell provides automatic recognition of gas type and range, and features over-sized gold-plated connections that help prevent corrosion.
The Model 700’s rugged framework includes an intrinsically safe electro-polished 316 stainless steel housing with fully encapsulated electronics and dual layer surge protection.
This innovative design virtually eliminates sensor failure due to water ingress, corrosion, vibration, and transient spikes.
A primary feature of the Model 700 is embedded intuitive software that simplifies operator interface by guiding the user through routine calibration, configuration, and fault diagnostic functions using a built-in alpha/numeric display.
The Model 700 is equipped with standard Analog 4-20 mA, and Modbus™ RS-485 outputs.
Among its unique features is a wireless option that can be used with Detcon’s SmartWireless® product line.
Additional integration options include a Remote Alarm Module (RAM), HART, and Foundation Fieldbus.
Detcon’s toxic gas sensors have a long shelf life and are supported by an industry-leading warranty.
Specifications
Brand
Accuracy
- ± 2 % of Full Scale
Ambient Temperature Range
- -40° to 50° C (-40° to 122° F)
Approvals & Certifications
- SIL 2 Certified to IEC 61508
- ATEX: II 2 G Ex d Ib IIC T4 Gb (Tamb: -40° to 50° C)
- cCSAus
- CE
- CSA: Class I, Div. 1, Groups B, C, D (Tamb: -40° to 50° C), Class I, Zone 1, Group IIC
- EXIDA
- NRTL: Class I, Div. 1, Groups B, C, D (Tamb: -40° to 50° C), Class I, Zone 1, Group IIC
Cable Length
- Power/Analog: Max.
- Serial Output: Max.
Circuit Protection
- EMI/RFI Immunity - I/O Protection
- Miswiring - I/O Protection
- Over-Voltage - I/O Protection
Communication
- Baud Rate: 9600 bit/sec
- FOUNDATION Fieldbus
- HART
- Modbus RTU
- RS-485
Consumption
- < 0.75 W at 30 mA - Normal Operation for Power Consumption
- 1.2 W at 50 mA - Max.
Current
- 1.67 A at 24 V - Inrush Current
Display
- 4-Digit LED
Electrical Connectors
- 14 AWG (2.5 mm²)
- 2-Wire Twisted-Pair Shielded Cable
- 3-Wire Shielded Cable
Enclosure, Body Material
- 316 Stainless Steel
Environmental Protection
- Explosion-proof
- IP66
- NEMA 4X
Humidity
- 10 to 90 % Relative Humidity, Non-Condensing
Loop Resistance
- 1,000 ohms, Max.
Measuring Range
- 0 to 1 ppm
Mounting
- 5.5” (140 mm) Mounting Holes Center to Center
Operating Pressure
- Atmospheric ± 10 %
Operating Temperature
- -20° to 40° C (-4° to 104° F)
Output
- 0 mA - All Fault Diagnostics
- 2 mA - In-Calibration
- 22 mA - Over-Range Condition
- 4-20 mA - 0 to 100 % of Full Scale
- 4-20 mA DC (Linear) - Analog
Power Requirement
- 11-30 Vdc
Repeatability
- ± 2 % of Full Scale
Response Time
- T90 < 120 seconds
RFI/EMI Protection
- Complies with EN 61000
Sensor, Probe Type
- Continuous Diffusion / Absorption
- Electrochemical
- Plug-In Field Replaceable Typical
Span Effect
- < 1 % Signal Loss Per Month
Storage Temperature
- -35° to 55° C (-31° to 131° F)
- Chemical Plants
- Food & Beverage
- Oil & Gas Applications
- Pulp & Paper
- Refineries
- Steel Mills
- Utilities
- Wastewater Treatment Plants