Ultrasonic BTU Meter for Chilled Water

Ultrasonic BTU Meter for Chilled Water CRL-H series DN15~DN40, mm       Product Description Application:   It is used in living buildings, houses to measure the heating or cooling for billing purpose.   Features:    ♦  High in accuracy and stability.   ♦  Temperature range: 4-95℃   ♦  Without  mechanical moving parts.   ♦  It is unaffected by poor quality of water and the maintenance cost is lower.   ♦  Battery powered. The battery life is over 10 years.   ♦  It supports Photoelectric, RS-485 and M-BUS output interfaces   ♦  The meter can be mounted at different angles on pipe.   ♦  Heat and cool measurement are both ok.     Quality Management     Company Information Huizhong Instrumentation Co., Ltd - Manufacturer of Ultrasonic water meter, Flow meter and Heat meter.       FAQ If any inquiries or question, don't hesitate to contact me.      Product Datasheet

Item	Parameter
Nominal Diameter(mm)	DN15		DN20			DN25		DN32	DN40
Dynamic Range	50	100	50	100	100	50	100	50	50
Permanent flow rate, Q3 (m³/h)	1.0	1.5	1.5	1.5	2.5	3.5	3.5	6	10
Min. flow rate, Q1 (m³/h)	0.02	0.015	0.03	0.015	0.025	0.07	0.035	0.12	0.2
Max. flow rate  (m³/h)	2.0	3.0	3.0	3.0	5.0	7.0	7.0	12	20
Temperature Range (℃)	4~95
Temperature Difference (K)	3~70(Mim.value of ex-factory is 0.2)
Min. Temperature Pair Error (℃)	-0.1~+0.1
Max. Admissible Working Pressure (MPa)	1.6 MPa
Accuracy	Class 2
Type of Temperature Sensor	Pt1000, DIN/IEC751B
Ambient Class	Class A
Type of Communication	M-BUS/RS-485, Photoelectric interface
Display	LCD 8-digit+ prompting character; Thermal power: KW Cumulative heat quantity: kW·h or MJ(Display Range:0~9999999.9), Instantaneous flow rate: m³ /h, Cumulative volume: m³,  Supply water temperature, ℃, Return water temperature: ℃,  Temperature Difference (K), Total operating time:h  Date: Y/M/D, Clock: h/m/s
Display resolution	Heat quantity: 0.1kW·h or 1MJ, Total volume: 0.001 m³ ; Temperature: 0.01℃;  Temperature difference: 0.01K
Data Storage(EEPROM)	Heat quantity, total volume and corresponding time and the Max. thermal power of the  current month stored by month. Latest 24 month’s data can be stored.
Storage Temperature	-25℃~+55℃
Weight (kg)	0.94	0.94	1.02	1.02	1.02	1.91	1.91	2.65	3.32
Pressure Loss at Permanent flow rate(MPa)	≤0.025
Cable Length of Temperature Sensor (m)	1.3(The supply water temperature sensor shall be installed on the flow transducer before delivery)
Mounting position of meter	On supply water pipe
Power Supply	Battery-powered with service life over 10 years

    Packaging & Shipping 20 pieces in one carton         Application case: