Senva TGW-BAX-A : Wall Mount Ammonia NH3 Sensor/Controller, BACnet MS/TP, Modbus RTU, Modbus ASCII Output, LCD Display, Clear/Tinted Enclosure, 7-Year Warranty

Power Supply

15-30VDC/24VAC(1), 4W max, 160mA max.

Analog Outputs

2 programmable outputs

0-10V (default), 0-5V, 1-5V, 4-20mA (menu selectable)

Output scaling

Menu selectable; see installation manual for ranges

BACnet /Modbus

Protocol RS-485

BACnet MS/TP, Modbus RTU, Modbus ASCII

Baud Rates

9600, 19200, 38400, 57600, 76800, 115200

Fan Relay

Fan relay characteristics

N.C. 1A@24/30VDC (50/60Hz) (no mains connection)

Fan relay setpoint

300 ppm (default), 0-1000 ppm (menu selectable)

Alarm Relay

Alarm relay characteristics

N.C. 1A@24/30VDC (50/60Hz) (no mains conenction)

Alarm relay setpoint

600 ppm (default), 0-1000 ppm (menu selectable)

Display

3-1/2 digit LCD

Indicates gas concentration in ppm (menu selectable)

LEDs

Green, Yellow, Red

Green = Normal, Yellow = Relay, Red = Alarm

Audible Alarm

85dB Piezo transducer

30 minutes above alarm setpoint (menu selectable)

Ammonia Sensor Performance

Type

Electrochemical

Accuracy

±5% of default range

Resolution

0.1ppm

Life expectancy

5 years

Coverage Area

5000-7500 square feet

Operating Environment

Temperature, Operational(4)

-30 to 50oC (-22 to 122oF)

Humidity

15-95% continuous, 0-95% intermittent

Enclosure

(Wall & Duct)

Material

ABS/Polycarbonate

Dimensions

4.0”h x 4.4”w x 2.1”d

Conduit Opening

Tapped 1/2” NPT

Rating

IP20

Agency

Compliance

UL61010-1 Listed UL, cUL, CE