Small caliber Photoelectric direct reading water meter

1. Adopt 4-bit Wheel Direct Reading method, read volume directly, no cumulative error

2. Using 2-wire M-Bus Communication, M-Bus can transmit data & provide power

3. No built-in battery, long service life

4. Bus communication modes: construction and maintenance convenience

5. Power off protection:Automatically cuts off the power as abnormal, recovery after the fault is eliminated

6.Support the remote reading system

Corresponding parameter set not found, please add it in property template of background

Diameter(DN)mm	15		20		25
Overload flow rate (Q4)m³/h	3.125		5		7.785
Normal flow rate (Q3)m³/h	2.5		4		6.3
Transitional flow rate (Q2)m³/h	0.05 0.04		0.08 0.064		0.126 0.1
Min. flow rate (Q1)m³/h	0.032 0.025		0.05 0.04		0.078 0.063
Measure Range(Q3/Q1)		80/100
Measurement grade		Level 2
Working pressure		≤1 M Pa
Pressure loss		△P63(≤0.063M Pa）
Operating Temp.		Cold water (T30):0.1℃~30℃		Hot water (T30):0.1℃~90℃
Flow profile sensitivity grade		U10,D5
Climate & mechanical environmental safety		Class B
Electromagnetic compatibility level		E1
Communication interface		M-BUS/RS485
Communication protocol		CJ/T188-2004/ DL/T645-2007/Mod-bus

Accuracy:

Low region max. allowable error:

From Q min inclusive up to but excluding Qt is±5%.

High region max. allowable error:

From Qt inclusive up to and including Q max is±3%.

暂未实现,敬请期待

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