Brand Name: JAKEWILL
Model Number: DN50-400:2015F553-37,2
Place of Origin: QINGDAO
Application:
Integrated ultrasonic heat meter, measurement of energy consumption, the heating system to provide billing data
Characteristic:
Appearance design patent
The use of MSP430 design, MCU series of TI company in the United States with low power consumption, long battery life
The use of logic chip composed of sequential logic circuit, the resolution of more than 100PS
The scheme adopts multi pulse detection, long-term stability was good
The special design waterproof antifouling performance
The large memory storage space to ensure more long more data
The optional RS485/M-Bus communication
Go through the dynamic flow range of 1:100 (qi:qp) approved the two level table form
The flow structure of moving parts, no wear, without the use of precision measurement cycle
The use of industry standard platinum resistance, accurate matching, conforms to the BINIEC75 standard.
The wide range of measurement
The internal measurement accuracy is better than CJ128-2007 "heat"
O with its own radio interface, user selectable M-BUS, RS485 communication, to facilitate centralized management
It can be installed in horizontal and vertical installation
Application of heat metering
Type approval of DN50-400:2015F553-37, grade 2
Flow sensor installation location arbitrary location
Flow rate sensor protection class IP65/54
Supply 3.6VDC maximum service life of 11 years
Type of temperature sensor PT1000 two-wire temperature sensor (5.2mm)
Medium temperature range 5~105
Flow measurement cycle 1 s
Test mode optical test pulse, communication test
Temperature sensor wire length 2.5m (other can be customized)
Environmental grade B
Ambient temperature 5~55
Ambient storage temperature -25~+60
RS485/M-BUS interface according to EN13757-3 and GB/T26831, site 1.5m (optional)
Photoelectric interface ZVEI
Extended memory history;
Display 8 bit liquid crystal display
Unit KWH (MWH, GJ)
Total value 99999999
Show the value of the instantaneous flow of energy and power flow rate of water into the water temperature difference, etc.
Make the dynamic temperature difference K 0.125
Minimum temperature difference K 3
Maximum temperature difference K 102
Integral instrument temperature measurement range 1~125