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MP522 เครื่องวัดกรดด่างMP522 เครื่องวัดกรดด่าง

MP522 SANXIN เครื่องวัดกรดด่าง ค่าความนำไฟฟ้า

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MP522 SANXIN เครื่องวัดกรดด่าง ค่าความนำไฟฟ้า Precision pH/Conductivity Meter แบบตั้งโต๊ะ เหมาะสำหรับงานควบคุมคุณภาพ ความแม่นยำสูง
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เครื่องวัดกรดด่าง ความนำไฟฟ้า MP522

Precision pH/Conductivity Meter

MP522 เครื่องวัด pH+ECSuitable for scientific research, quality control, biotechnology, fine chemicals, precision areas such as acid-base titration pH and conductivity measurements.


● Meter meets with the requirement of international GLP standards. Its features up to automatic calibration, automatic temperature compensation, data storage, timing measurement, clock display, RS-232 output, function setting and self-diagnose etc.

● There are three different measurement modes: stable display mode; time measurement mode; continuous measurement mode.

● Automatically recognize 13 kinds of pH buffer solution. User can choose anyone from four series of standard buffer solutions: Europe & USA series, NIST series, CHINA series and Self-defined series.

● High purified water and ammonia added purified water pH measuring mode can be set up, especially suitable for electric power and petrochemical industry.

● With EH redox potential measuring mode can directly display ORP value which against standard potential of hydrogen electrode.

● Automatically recognize 8 kinds of conductivity standard solution. User can choose anyone from two series of solutions: Europe & USA series and China series.

● Adopt advanced and original conductivity measurement technology, use 1 pc of conductivity electrode (K=1), it can meet measuring accuracy requirement for range within 0.5μS/cm ~ 200mS/cm by using only one-point calibration.

● Automatically select conductivity measurement range, when measuring high pure water, equipment automatically enter into temperature compensation of nonlinear model, especially for electricity, microelectronics and the pharmaceutical industry requirements.

● Meter has the only product serial number.

● Dustproof and waterproof meter meets IP54 standards. All sockets are seal protected by the silica gel caps.



Measuring range



Input current

Input impendance


Temp. compensation range

(-1.999 ~ 19.999)pH

0.1/0.01/0.001 pH

Meter:±0.002 pH, connect meter with electrode:±0.01pH

≤1×10-12 A

≥3×1012 Ω

±0.002 pH/3h

(0 to 100) ℃(automatic or manual)


Measuring range(mV/ORP/EH)



-1999.9mV ~ 0 ~ 1999.9mV


±0.03% FS


Measuring range








Temp. compensation range

Electrode constant

Reference temperature

Conductivity:(0.00~20.00)μS/cm (20.0~200.0)μS/cm

(200~2000)μS/cm  (2.00~20.00)mS/cm

(20.0~200.0)mS/cm (200~2000)mS/cm(K=10)

Resistivity:(0 ~ 100)MΩ·cm

TDS:  (0 ~ 100)g/L

Salinity: (0 ~ 100)ppt

0.01/0.1/1μS/cm  0.01/0.1/1 mS/cm

Meter:±0.5% FS,connect meter with electrode:±0.80% FS

(0 ~ 50)℃(automatic )

0.1 / 0.5 / 1 / 5 / 10 / 50 / 100  cm-1

25℃、20℃ and 18℃


Measuring range



-10℃~ 110℃


5~ 60℃range:±0.4℃  other range:±0.8℃

Other Technical Parameters:

Data storage

Storage content



Communication connector

Size and weight

Quality and safety certification

300 groups

Measuring value series number, measuring value, temperature, ATC or MTC state, measuring date and time



160 × 190 × 70mm/880g

ISO9001:2008, CE and CMC

Working Condition

Environment temperature

Environmental humidity

IP rating

5 ~ 35 ℃(0.01grade) 15 ~ 30 ℃(0.001grade)


IP54 Dustproof and waterproof

Standard Kit Includes

1. Model MP522 Precision pH/Conductivity meter 1set

2. Model 602 flexible electrode holder 1pc

3. 201T-M plastic pH/ATC three-in-one combination electrode 1pc

4. 2503-C glass pH combination electrode 1pc

5. MP500 temperature electrode 1pc

6. 2401-M conductivity electrode 1pc

7. pH standard buffer solution(pH4.00, pH7.00 and pH10.01/50mL) 1btl/each

8. 1413μS/cm conductivity standard solution(50mL) 2btls

9. 9V power adapter(meter use)e 1pc

10. RS-232 communication cable 1pc

11. MP522 communication software disk 1pc

12. Operation manual 1unit

13. Brief operation instruction 1unit

14. Packing List 1pc

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