BW Technologies GasPoint Transmitter with NH3 Sensor Unit, Modbus Compatible

GP-AD GasPoint Transmitter with NH3 Sensor Unit, Modbus Compatible by BW Technologies

The GasPoint transmitter provides a 4-20 mA output signal that can be connected to any control system (DCS, PLC, etc.). With advanced sensor technology and microcontroller based operation, the GasPoint provides continuous monitoring of hazardous gases.

• The GasPoint transmitter can accept any GasPoint sensor type: electrochemical, catalytic or IR (infrared). All plug-in sensor assemblies are field-interchangeable.
• Full function sensor integrity test (auto) continuously advises gas sensing ability and life ended
• Non-intrusive, one-person calibration with auto zero and auto span
• Equipped with three 5-amp relay contacts, two gas alarm relays (low/high) and fault alarm. Field-selectable normally energized/de-energized and latching/non-latching alarm relay functions.
• Two backlit alphanumeric LCDs advise all environmental and gas hazard conditions as well as instrument and sensor status
• Remote toxic/oxygen sensors can be installed over 3,900 ft./ 1,100 m away; combustible sensors over 1,550 ft./475 m. Kit can be installed at any time.
• Alarm setpoints displayed on demand, simply press the external button
• Field programmable alarm levels
• Backlight (auto) in low light conditions and alarm
• Extensive fault diagnostics
• 2-way digital communication using MODBUS module

Display advises:

• Gas type monitored
• Continuous (%LEL, %v/v or ppm) readout of gas concentration
• Alarm level and type encountered - LOW/HIGH or FAULT
• When sensor has failed its automatic daily self-test
• "Sensor Replacement" and "Sensor Expired" indications
• When to apply gas during calibration

Special Features:

• Change gases monitored in the field at any time. The GasPoint Transmitter will recognize the sensor installed and test and reset itself to that sensor type.
• No junction box connection required.
• Daily sensor integrity test (auto) monitors sensor operation, length of time sensor has been in service and advises when sensor requires replacement.
• GasPoint allows you to set or change calibration time and gas alarm setpoints in the field.
• Select or modify the measuring range using a simple dipswitch.
• The optional plug-in MODBUS expansion module provides an addressable communications interface (1-247).

Part Number: GPAD