Ultrasonic Heat Meter

Nominal diameter

DN15-DN400

Material

Nominal diameter

Nominal diameter≥DN50:measuring tube:carbon steel(Stainless steel is used at the sensor);Customizable stainless steel 304 or 316

Perform standard

GB/T32224-202

Measurement range

Temperature range(℃)

Nominal diameter

Temperature difference range(K)

0-85(thermometric starting temperature difference 0.2K)

Minimumpairing temperature error(℃)

±0.1

Maximumworking pressure(MPa)

1.6MPa，2.5MPa optional

accuracy grade

Grade 2

Temperature sensor type

PT1000, DIN/IEC751B

Protection grade

IP68

Working power supply

Powered by 3.6V lithium battery, one battery can work continuously for more than 6 years.

DC8-24V（Specifywhen ordering）

AC220V，50HZ (Optional power adapter, specify when ordering)

working condition

Environment class A/ class B/classC/class D

power consumption

Standard state <30uA.It can work continuously more than 20 years at most.

Communication data

Optical interface

Baud rates 9600bps, 4800bps, 2400bps, 600bps, 300BPS are optional, and 9600bps is the default;Adopt GB/T 26831 protocol.

RS485/M-BUS

Baud rates 9600bps, 4800bps, 2400bps, 600bps, 300BPS are optional, and 9600bps is the default;Transmission distance≤150m

GB/T26831 protocol, CJ/T 188 protocol and Modbus RTU protocol are optional, and the communication protocol is automatically identified.

Wireless-communication

NB-lot narrow-band Internet of things

4G network communication

Local display

Double line display includes 9-digit cumulative quantity, 6-digit instantaneous flow, as well as supply and return water temperature and temperature difference. Cumulative effective running time.

Display resolution

Heat0.1kw·h、cumulative flow0.001m³；temperature 0.01℃；temperature difference0.01K

Storage temperature

-25-55

Data storage

Lithium battery power is required for storing parameters. It can store heat, accumulated flow and relative time on a monthly basis and automatically record the cumulative flow of 31 months and the daily flow of the 32nd month.

Pressure loss level at common flow

Nominal diameter△P40；Nominal diameter≥DN50:△P10

Length of temperature sensor signal line(m)

Nominal diameter

Installation position of Heat Meter

Water supply end（Specify when installing at the backwater end）