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Shanghai Langsite Environmental Protection Technology Co., Ltd
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Shanghai Langsite Environmental Protection Technology Co., Ltd

  • E-mail

    langest_instrument@126.com

  • Phone

    18917462883

  • Address

    Building 1, Zhengjue Technology Industrial Park, Lane 1356, Xinyuan Road, Minhang District, Shanghai

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Domestic industrial pH meter transmitter company

NegotiableUpdate on 05/17
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Overview

Two wire online pH transmitters are widely used for online monitoring of pH/ORP in thermal power, chemical, metallurgical, water treatment, pharmaceutical, biochemical, electronic, electroplating, printing and dyeing, chemical, food, and tap water.

Product Details


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Two wire online pH transmitterTypical Applications

Widely used for online monitoring of pH/ORP in thermal power, chemical, metallurgical, water treatment, pharmaceutical, biochemical, electronic, electroplating, printing and dyeing, chemical, food, and tap water industries.

Two wire online pH transmitterfeature

Two line system integration

Adopting a single-chip microcomputer with low power consumption, high performance, high stability, and high reliability.

High measurement accuracy, fast response speed, small size, easy installation and maintenance

Intrinsic safety explosion-proof, explosion-proof grade Exia IIB T4 or isolated explosion-proof, explosion-proof grade Exd IIB T4

Parameter power-off protection.

Equipped with two-point or one point automatic calibration function, convenient and accurate.

Automatic temperature compensation.

Can display the zero potential pH value and slope of the electrode system.

The instrument adopts a two-point calibration method, with a two-wire 4-20mA output

technical indicators

Measurement range pH: 0-14pH

Temperature: 0-200 ℃

basic error

PH:±0.05pH

Temperature: ± 0.5 ℃

Input impedance: greater than 1012 Ω

Temperature compensation range and influence error: 5-55 ℃, ± 0.5% FS/10 ℃

Current output: 4-20mA (RL ≤ 500 Ω) ± 0.5% FS

working conditions

a. Environmental temperature: 0-55 ℃

b. Relative humidity: less than 85%

c. Power supply: 24VDC ± 5%

d. Temperature of the tested solution: 0-100 ℃.

The transmitter adopts an explosion-proof cast aluminum sealed housing, with a protection level of up to IP67, LED display, and two-wire isolated current output. It is particularly suitable for industrial sites with harsh environments, the presence of explosive gases, and explosion-proof requirements.

Selection Table













Y

Integrated type (measurement, 4-20mA output integrated)

structural style









F

Split type (high impedance sensor, mV electrode signal output, matched controller on-site display)












G

Domestic pH electrode sensor

Electrode









U

Imported electrode sensors from abroad












C

Insertion type M48 × 2 thread, insertion depth of 100, 150, 200mm (user reference)

Installation method









F

Submerged (installation height 0.6m-4m), flange or threaded installation, specify when ordering











S

Horizontal flow type (with matching horizontal flow pool) DN25, PN0.6 flange GB9119.2-88











T

User specific requirements












P

Ordinary industrial processes use 0-80 ℃

Application scenarios









J

Use 0-100 ℃ in high temperature and strong alkali environments











S

High temperature strong acid field suitable for 0-110 ℃











W

0-80 ℃ is used in sewage treatment facilities











D

Use 0-100 ℃ in low conductivity situations











X

Disinfect and ferment at 0-135 ℃











Y

High temperature and high pressure, organic matter 0-140 ℃ (1MPa)











R

Specialized electrodes for printing and dyeing











C

Ultra low temperature type -25-25 ℃












00

atmospheric pressure

pressure









06

≤0.6MPa











10

≤1.0MPa












W

No on-site instructions (integrated)

on-site display

way









M

On site pointer type mA meter display (integrated type)











E

On site LED display











C

On site LCD display












A

ABS

wetted material









P

UPVC or PPR (specify when ordering)











B

1Cr18Ni9Ti











F

Stainless steel polytetrafluoroethylene composite material











Q

Other materials












O

non-explosion-proof

explosion-proof









I

Intrinsic safety explosion-proof (4-20mA) explosion-proof grade Exia IIB T4












Installation length (sunken, plug-in) L=?












Measurement range PH












Selection example: ST-L2006 Y U F P 00 E B O L=500mm 0-10PH