ZK-A series combination ultrasonic heat and cold meter, portable ultrasonic heat and cold meter energy meter model mainly consists of three parts: accumulator, flow sensor, and paired temperature sensor. If the three parts can be separated into three independent components, and each component can be measured separately.
ZK-A series combined ultrasonic heat and cold meter caliber range: DN20～DN1000
● Pipe section: monaural, brass
Environmental grade: EN1434/CJ128 Class A
Flow range ratio: 50:1/100:1
Accuracy level: EN1434/CJ128 Level 2
ZK-A series combination ultrasonic heat and cold meter power supply method: built-in lithium battery power supply
● Temperature range: 2 ℃~95 ℃
● Temperature sensor: PT1000 platinum resistor
● Temperature difference range 2~85K
● Communication interface: photoelectric reading head M-BUS. RS485
● Protection level IP65
Communication protocol: Integrated with Zhongke Wancheng, EN1434,MODBUS RTU，BACnet MS/TP
● Pressure level: PN16＆PN25

ZK-A series combined ultrasonic heat and cold meter features:
The ZK-A series combination ultrasonic heat and cold meter is paired with a four wire high-precision PT1000 temperature sensor, with a standard 5-meter connecting wire (extendable by 80 meters), solving the installation problem of pipes on the same floor
2. The transmitter and calculator are separated and can be installed in a reasonable location for easy monitoring and maintenance by users