Badger Meter 340LW Series Lonworks Btu Transmitter - Manual (Page 12)

12
SPECIFICATIONS
Power
Power supply options:
12-35 VDC +/- 5%
12-24 VAC +/- 10%
Current Draw:
60 mA @ 12 VDC
Flow Sensor Input
All sensors:
Excitation voltage 3 wire sensors:
7.9 – 11.4 VDC 270
Ω source
impedance
Pulse type sensors:
Signal
amplitude:
2.5 VDC threshold
Signal limits:
Vin < 35V (DC or AC peak)
Frequency:
0-10kHz
Pull-up:
2
k
Ω
Sine wave sensors:
Signal
amplitude:
10 mV p-p threshold
Signal
limits:
Vin < 35V (DC or AC peak)
Frequency:
0-10kHz
Temperature Sensor Input
2 required:
10
k
Ω thermistor, 2 wire, type II, 10 kΩ @
25°C
Operating Temperature
-29° C to +70° C
-20° F to +158° F
Storage Temperature
-40° C to +85° C
-40° F to +185° F
Weight
4.8 oz. with headers installed
SENSOR CALIBRATION
Badger Meter
Use K and Offset provided in sensor owner’s
manual
Other Sensors
Check with factory
UNITS OF MEASURE
Measurement Outputs
Transmitted in SI units
Flow
Rate and total
Energy
Rate and total
Temperature
PROGRAMMING
Requires PC or laptop running Windows
® XP or
Vista
Badger Meter Model A-340LW programming
kit containing software and Model A301
programming cable