HangZhou，ZheJiang-
E-mail
tinachen@qysensor.com
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Phone
86-916-2257989
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Address
No 1032, Xinghan Road, Hantai District, Hanzhong, Shaanxi, China
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Hanzhong Quanyuan Electronic Co.,LtdFree·1YRS
4-20mA 0-10V Liquid Level Pressure Transmitter
NegotiableUpdate on September 07
- Model
- Nature of the Manufacturer
- Manufacturer
- Product Category
- Liquid Level Pressure Sensor
- Place of Origin
- City, Province
Overview
QST-201 is used to measure inquid level from 2 to 200m.4~20mA,0~5V or 0~10v signal output can be selected.
Product Details
4-20mA 0-10V Liquid Level Pressure Transmitter
Product Introduction:
QST-201 series liquid level sensors are consisting of well-sealed immerging oil-filled liquid level transducers and special circuit for manometers. Have characteristics of high precision, good stability, long life and easy to fix. Adopt special sealed configuration, so with good capability of anti-leakage.
According the relation between pressure, density and liquid level, the liquid level transducers measure the liquid pressure which in direct ratio with depth of liquid, then via amplificatory circuit, the measured pressure is transferred to standard 4~20mA current signal(or standard voltage signal).
Feature:
◆Range:0~0.6 mH2O....0~200 mH2O
◆Sealed structure, IP68.
◆Accuracy: 0.1% FS, 0.25% FS (standard), 0.5% FS
◆There is two kinds of connector to be chosen: intracavity or flush membrane type
◆Integrated construction, without external adjustment.
Dimensions: (unit: mm)
Electrical connection:
Technical Specifications:
| Measuring media | Liquid which are compatible to 316L stainless steel | |
| Measuring range | mH2O | 0~0.6,0~1,0~2,0~5,0~10,0~20,0~30, |
| 0~50,0~100,0~150,0~200 | ||
| Overload pressure | %FS | 150 |
| Signal output | transmitter, mA (2 wires) | 4~20 |
| transmitter, Vdc (3 wires) | 0~5, 0~10 | |
| Power supply | Vdc | 12~36（Model 24） |
| Static accuracy | %FS | 0.1, 0.25(standard), 0.5 |
| Zero adjustment | %FS | ≤±0.25 |
| Span adjustment | %FS | ≤±0.25 |
| Long-term stability | %FS/year | <±0.5 |
| Response time | ms | <2 |
| Storage temp. | ºC | -40~+100 |
| Operation temp. | ºC | 0~+80 |
| Compensated temp. | ºC | 0~+50 |
| Temp. coefficient of ZERO | %FS/10ºC | 0.2 |
| Temp. coefficient of SPAN | %FS/10ºC | 0.2 |
| Insulation resistance | M Ω | ≥500 @ 100 Vdc |
| Load resistance | current output, Ohm | 250~1100 |
| voltage output, Ohm | >5000 | |
| Environmental protection | IP rating | IP 68 |
| pressure memberane material | 316L SS | |
| Material for housing | 304 SS | |
| Electrical connection | connector/cable | 4-core,Ф7.6 mm shielded cable with vent pipe which is mechanically strong enough for deep submersible liquid level measurements |
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