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Type 340 LW-LonWorks® BTU Transmitter
Brand: Badger MeterThe Series 340LW BTU transmitter is an economical, compact device for sub-metering applications requiring addressable network output capabilities using the LonWorks® protocol.
An economical, compact device for sub-metering applications that communicate via a LonWorks® network.
Calculates thermal energy in a closed pipe hydronic system by integrating the flow and temperature inputs.
Features- On-board microcontroller and circuitry make precise measurements and produce accurate, drift-free outputs
- Calibration information for the flow sensor type and pipe size may be preselected or entered by the user in the field
- Calculates thermal energy using the signal from a flow sensor installed in a closed pipe system
- Communicates via a single two-wire bus
- Compact cast epoxy body
Specifications
Brand
Flow Sensor Input - All Sensors
- Separate Excitation Voltage is provided for Three-Wire Sensors 7.9…11.4 VDC with 270 Ω Source Impedance
Pulse Type Sensors - Signal Amplitude
- 2.5 VDC Threshold
Pulse Type Sensors - Signal Limits
- Vin < 35 V (DC or AC peak)
Pulse Type Sensors - Frequency Range
- 0…10 kHz
Pulse Type Sensors - Pull-up
- Up to 9.1 VDC @ 2 kΩ
Sine Wave Sensors - Signal Amplitude
- 10 mV p-p Threshold
Sine Wave Sensors - Signal Limits
- Vin < 35 V (DC or AC peak)
Sine Wave Sensors - Frequency
- 0…10 kHz
Power Supply Options
- 12 to 24 VAC | 12 to 24 VDC
Power - Current Draw
- 60 mA at 12 VDC
Temperature Sensor Input
- Two required: 10 kΩ Thermistor, 2 Wire, Type II, 10 kΩ at 250°C
Temperature
- Operating: -20...158 °F (-25...70 °C)
- Storage: –40…185 °F (-40...85 °C)
Weight
- 4.8 oz with Headers Installed
Sensor Calibration
- Data Industrial: Use K and Offset Values provided in Sensor Owners Manual
- Other Sensors: Check with Factory
Measurement Outputs
- Transmitted in SI Units
Flow
- Rate and Total
Energy
- Rate and Total
Programming
- Requires PC or Laptop running Windows® 7, XP or Vista and A301-20 Programming Kit
Accessories
- A301-20 Programming Kit
- Building Design, HVAC & Plumbing