big size heat meter(DN50-DN400)

Product characteristics:

●Accuracy of CJ128-2007 grade 2 meter

●Adoption of high quality energy transducer, guarantee of high accuracy and high stability

●No mechanical moving parts, without abrasion, of long service life, extremely small pressure loss, high quality of heat supply

●Convenient installation and maintenance, with functions of dust prevention, moisture proofing, water proofing and anti-dismantling, etc.

●Wide measuring scope, can be used in hot and cold environment

●Function of remote data transmission for real-time remote data transmission and management

Technical parameters:

Model	Nominal diameter	Normal flow	Max. flow	Min. flow	External diameter of flange（mm）	Center circle diameter of bolt hole（mm）	Connecting bolt（mm）	Length of meter body
	DN(mm)	q_p(m³/h)	q_s(m³/h)	q_i(m³/h)				(mm)
DN50	50	15	30	0.3	165	125	4-M16	200
DN65	65	25	50	0.5	185	145	4-M16	200
DN80	80	40	80	0.8	200	160	8-M16	225
DN100	100	60	120	1.2	220	180	8-M16	250
DN150	150	150	300	6	285	240	8-M20	300
Grade of accuracy			Grade 2
Maximum working pressure(MP_a)			1.6
Maximum pressure loss(MP_a)			≤0.025
Form of flow meter			Ultrasonic flow meter
Communication interface			Infrared; MBUS; pulse
Temperature scope（^oC）			4—95
Temperature difference scope（K）			3—75
Temperature resolution（^oC）			0.01
Environment temperature（^oC）			0—55
Temperature transmitter			PT1000 platinum resistor
Battery life			≥ 6 Years (lithium battery)
Grade of protection			IP54
Installation method			Horizontal, vertical