DM-701-ClO₂ Chlorine Dioxide Sensor

Manufacturer: Teledyne| Detcon

DM-701-ClO₂ Chlorine Dioxide Sensor

Manufacturer: Teledyne| Detcon
Detcon 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

Manufacturer

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

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