Hangzhou Yeli Technology Co., Ltd
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WMY-D cable type liquid level transmitter with display
WMY-D cable type liquid level transmitter with display
Product details

  Sincerely thank you for choosing our companyputting-into-type liquid level meterYe Li is a professional manufacturerInput type liquid level gauge factoryAnd alsoPrice of static pressure input type liquid level transmitterDiscount,How much does an input level gauge cost? Please contact customer service for a quote,Large quantities are preferred!The pressure sensitive core of the liquid level transmitter adopts a high-performance silicon piezoresistive pressure filled oil core. The dedicated integrated circuit inside converts the sensor millivolt signal into a standard long-distance transmission current signal, which can be directly connected to computer interface cards, control instruments, intelligent instruments or PLCs for convenience. The WMY-D cable type liquid level transmitter series products are widely used in industrial process control, petroleum, chemical, metallurgical and other industries.
This product complies with the corresponding provisions of GB 3836.1-2000 "Electrical Equipment for Explosive Gas Atmosphere Part 1: General Requirements" and GB 3836.4-2000 "Electrical Equipment for Explosive Gas Atmosphere Part 4: Intrinsic Safety Type" i "standards.
Customizable explosion-proof rating: Exia Ⅱ CT4.

1 Main technical parameters
Measurement range: 0-800m (depending on the range selection)
Maximum overload: not exceeding the length of the line
Measurement form: Intelligent probe direct measurement type
Accuracy level: 0.5% F • S
Power supply voltage: 24VDC
Output: 4-20mA (two-wire system), 0-5V, 1-5V, 0-10V, 0-20mA RS485
Load resistance: ≤ 500Ω
Measurement medium: various non corrosive liquids for waterproof cables
Long term stability: ± 0.2% F • S/year
Relative humidity of the environment: 0~95%
Compensation temperature: 0~80℃
Working temperature:- 20~70℃

Work pressure: normal pressure

Accuracy level of transmitter:
0.1 level, with a basic error of ± 0.1%;
0.25 level, with a basic error of ± 0.25%;
Level 0.5, with a basic error of ± 0.5% (expressed as a percentage of the measurement range).
⑷ Thermal zero drift
When the ambient temperature deviates from the reference working condition temperature, the zero drift of the transmitter should not exceed 0.03% FS/℃.
⑸ Thermal sensitivity drift
When the ambient temperature deviates from the reference working condition temperature, the full-scale drift of the transmitter should not exceed 0.03% FS/℃.
⑹ Insulation resistance
Under reference working conditions, the insulation resistance between each terminal of the transmitter and ground shall not be less than 20M Ω/250V.
(7) Multi level electrical protection.


On site installation physical reference
液位变送器现场安装

2 Appearance and installation
The external structure is shown in Figure 1,
putting-into-type liquid level meterThe liquid level transmitter (316L flexible wire input type) consists of a housing, amplifier, terminal block, protective cap, wire, etc. According to the user's needs, a pointer gauge and intelligent meter display can be selected.
液位变送器外形结构
3 Installation method
⑴ Choose a place that is easy to operate and maintain for installation;
⑵ It should be installed as far away from the vibration source as possible;
⑶ Keep as far away from heat sources as possible;
When installing the immersion type liquid level transmitter, the metal probe should sink to the bottom of the container.

4 Electrical connection
Open the back cover of the instrument panel (terminal face) and see the wiring terminals. The power connection is shown in the following figure:
WMY-A-XS液位变送器接线

5
Installation diagram reference
液位变送器安装示意图


6 Precautions for safe use
(1) When handling and installing transmitters, care should be taken to avoid collisions that may affect the performance of the circuit.
⑵ There is an isolation diaphragm inside the pressure inlet of the transmitter. Do not touch it with foreign objects manually.
Please strictly follow the wiring method for electrical connections, as incorrect wiring can cause damage to the amplifier circuit.
⑷ When installing the immersion type liquid level transmitter, do not use wires to lift heavy objects other than the product.
⑸ Regularly dredge the probe to prevent blockage of the inlet.
The wire is a specially designed waterproof wire. During installation and use, wear, puncture, and scratching of the wire should be avoided. If the above problems exist on site, protective measures should be taken for the wire. If such problems occur and cause malfunctions, the manufacturer will charge for the cost of the wires during repairs.
If you encounter any problems during installation and use, please contact our company. In case of any abnormalities in the product, please do not open it for repair without authorization.

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