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Honeywell VA201T Vulcain Gas Detection Transmitter

Vulcain Gas Detection Transmitter

The 201T gas detection transmitter is designed to meet or exceed safety requirements in a variety of commercial and industrial applications.

The 201T series transmitters are able to detect a wide range of toxic and explosive gases. The 201T gas detection transmitter can work in an addressable network mode with the 301C controller through an RS-485 Modbus link. They can also be used in a stand-alone configuration with an optional 4-20mA or alarm relay outputs.

The catalytic sensors of the 201T can be used to detect hundreds of different gasses and inflammable vapor concentrations. Toxic gasses are detected by way of electrochemical cells, while metal-air battery cells are used to detect oxygen. Moreover, a second generation of semi-conductor detectors offers a highly effective solution for a variety of different applications.

User Friendly
• 10-step LED display
• Proven sensing technology
• Easy installation and operation

• Field-proven protection
• Robust RS-485 Modbus communication

• Stand-alone or network configuration
• Full compatibility with the Vulcain 301C controller

Original Architecture
• Innovative and compact case design Beneficial Options
• Optional 4-20 mA and one relay output
• Optional audible alarm and LCD display

Uses Work horse transmitter of a gas detection network to be used with the 301C controller providing a cost-effective solution to gas related hazards and energy management
Power Requirement 7-27 VAC, 24-38 VDC, 250 mA
Size 8.4 x 5.3 x 2.25 in. (21.3 x 13.4 x 5.7 cm)
Weight 0.88 lb (0.4kg)
Display 10-step LED or LCD
Visual Indicators Failure Indication: Yellow LED (Available in network configuration only)
Normal Operation: Green LED
Relay Output Rating 5A, 30VDC or 250 VAC (resistive load)
Audible Alarm 65 dBA at 3 ft. / 1 m
Optional Outputs RS-485 Modbus, 4-20mA, Alarm relay
Sensing Technology
Q1-type Sensor Toxic: Electrochemical
Combustibles: Catalytic
Oxygen: Diffusion fuel cell
Q2-type Sensor Refrigerants: Solid-state
Carbon Monoxide: Electrochemical

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