Key Features

• Single channel, internal or remote sensor
• 4 - 20 mA analog or Modbus® digital outputs
• Three 5A relays (digital model only)
• Large graphic LCD display for real time monitoring
• Menu driven magnetic keypad for user configurations
• Displays values in bar graphs or 30 minute onboard data trends
• Security menu with authorization code access to lock critical parameters
• Rugged construction to withstand impact damage
• Optional heated sensors and electronics for low temperature operation

Specifications

Target Gas

Electrochemical Sensors (internal)

Ammonia (NH3), Carbon monoxide (CO), Hydrogen (H2), Hydrogen sulphide (H2S), Nitrogen dioxide (NO2), Oxygen (O2), Sulphur dioxide (SO2)

Infrared Sensors (internal)

Carbon dioxide (CO2), Butane (C4H10), Ethanol (C2H6O), Hexane (C6H14), Toluene (C7H8), Methane (CH4), Propane (C3H8)

Catalytic Sensors (internal or remote)

Butane (C4H10), Ethylene (C2H4), Hydrogen (H2), Methane (CH4), Propane (C3H8), Pentane (C5H12)

Mechanical

Enclosure

Durable cast aluminum suitable for Class 1, Division 1 & 2, Groups A, B, C, D

Weight

2.18 kg / 4.8 lbs

Size

203 x 140 x 117 mm / 8.0 x 5.5 x 4.6 inches

User Interface

Display

Backlit LCD graphic display for gas readings, 64 x 128 pixels

30 minute trend bar graphing

Front Panel

Five indicator lights: AL1, AL2, Fail, In Cal and RS-485

Security Mode

Locks out critical parameters

Memory

Non-volatile E2 memory retains configuration values on power outages

Calibration

Non-intrusive calibration

Input/Output

Output

3-wire, 4-20 mA. Max loop resistance is 750 ohms (@ 24 VDC)

Communication

Analog 4-20 mA or Modbus® RS-485 RTU

Relay

Digital models only: Three SPDT dry contact relays, rated 5 amps @ 30 VDC or 240 VAC resistive

Electrical

Power Requirement

10 - 30 VDC, 250 mA @ 24 VDC

Power Consumption

With a typical 0.5 watt Bridge Sensor: 100 mA @ nominal 24 VDC

Relays / RS485 Modbus Option Board: 40 mA per relay (120 mA total with all 3 energized); RS485 use adds 20 mA

Loop Resistance

750 ohms maximum (at nominal 24 VDC power)

Wiring

Digital: 4-conductor, 16 AWG stranded, shielded network wiring (daisy-chain)

Analog: 3-conductor, 18 AWG stranded, shielded

Environmental

Operating Temperature

-40°C to 60°C (-40°F to 140°F)

Arctic heater smart sensors operate down to -55°C (-67°F)

Operating Humidity

5 - 90% RH non-condensing

Certifications

Conforms to

NRTL CSA Approvals (File # 219995): Class 1, Division 1 & 2, Groups A, B, C, D.
Suitable for explosion proof and intrinsically safe installatations. Housing
enclosure suitable for Class 1, Division 1 & 2, Groups A, B, C, D. 

Models with electrochemical sensor types NH3 and NO2 are Division 2 and come with a splash guard. All other models are Division 1.

Designed to meet CSA C22.2 No.152 for Combustibles Monitors and ISA 92.0.01 Part 1 for Toxic Monitors (excludes ammonia). Ammonia is for use in non-classified areas only

RoHS compliant circuit boards