Optical direct reading valve control meter-Optical Direct Reading Meter-Shenzhen Jia Ronghua Technology Co., Ltd.

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Optical direct reading valve control meter

Type：Optical Direct Reading Meter

Introduction：Photoelectric direct-reading valve control water meter uses optical direct reading technology to read the wheel data, compared with the traditional pulse table, it can reduce the reading error to zero, automatic meter reading system is zero-error electromechan...

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Description
Parameter

Product use

Photoelectric direct-reading valve control water meter uses optical direct reading technology to read the wheel data, compared with the traditional pulse table, it can reduce the reading error to zero, automatic meter reading system is zero-error electromechanical conversion electronic remote meter, And the use of low-power design, usually without power supply, only meter reading or valve when it needs to be powered.

PRODUCT FEATURES

		This series of remote water meter for the dry structure.
		Convenient reading, long-term clarity.
		Optical encoding passive direct reading technology.
		Valve can control water.

TECHNICAL PARAMETER

Product Type: LXS-15 ~ 25 FK
Working voltage: DC 36V
Meter reading current ≤ 9.0mA
Static working current ≤1.3 mA

Valve on/off bus current ≤50 mA
Valve on/off motor valve input current≤30mA
Water temperature: 0.1℃ ~ +45 ℃
Humidity: 0~95% RH

Storage temperature: -25 ℃ ~ +65 ℃
Temperature class: T50 (cold water) T90 (hot water)
The maximum allowable water pressure: 1 MPa
Maximum pressure loss: 0.063 Mpa

Valve Type: Motor Valve
Communication with the host computer: M-bus field bus
Communication transmission rate: 2400 baud

Communication protocols: DL / T645, CJ / T 188 and internal protocols
(Or user-specified protocol)
Communication transmission maximum distance: 300m;
(Communication line size AVVR2 × 0.75)

Single table valve on / off time: 8S
Bus pin ESD protection over 10kV
Short circuit current protection
For the bus open, short circuit, idle fault protection

FLOW PARAMETERS

Model	Nominal diameter DN（MM）	Accuracy grade	Overload Q4	Commonly used flow Q3	Demarcation flow Q2	Minimum flow Q1
Model	Nominal diameter DN（MM）	Accuracy grade	M3/H
LXSY-15FK	15	level 2	3.125	2.5	0.050	0.030
LXSY-20FK	20	level 2	5.00	4.0	0.080	0.050
LXSY-25FK	25	level 2	7.875	6.3	0.128	0.080
LXSY-40	40	level 2	20	16	0.320	0.200
Note: The maximum allowable error The maximum allowable error is ± 5% from the lower zone, including the minimum flow (Q1) to not including the boundary flow (Q2). The maximum allowable error from the high zone including the demarcation flow rate (Q2) to the maximum flow rate (Q4) is ± 2%.

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