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SX723 Portable pH/Conductivity Meter




Product Introduction

  SX723 Portable pH/Conductivity Meter



● Double-parameter meter, equipped with pH electrode and conductivity electrode, automatic identification of electrode by meter.
● Built-in microprocessor chips, intelligent functions such as automatic calibration, automatic temperature compensation, data storage, function set-up, self-diagnose information, automatic power-off and low voltage display.
● Automatic identification of 13 pH standard buffer solutions, three options of standard buffer solutions: Europe and America series, NIST series and China series.
● Able to set pH measurement modes of high purity water and pure water with ammonia.
● Automatic identification of 8 conductivity standard calibration solutions, two options of standard calibration solutions: Europe and America series and China series.
● Adopt advanced conductivity measurement technology, use conductivity electrode of constant K=1, only need one point calibration and meet the measurement precision requirement of 0.5μS/cm ~ 200 mS/cm.
● Ability to switch among conductivity, TDS, salinity and resistivity. Multinomial calculation for TDS and salinity to ensure the conversion precision of the full scale.
● Conductivity measurement mode has the function of non-linear temperature compensation for high purity water.
● Meter meets IP57 rating, equipped with calibration solution and portable case.




Category Product Name Basic features and specifications

Measuring range

(-2.00 ~ 19.99)pH


0.1/0.01 pH


Meter:±0.01pH; Overall: ±0.02pH

Input current

≤2×10-12 A

Input impendance

≥1×1012 Ω


±0.01 pH/3h
Temp. compensation range (0 ~ 100)℃(automatic)

Measuring range (mV/ORP/EH)

-1999mV ~ 0 ~ 1999mV




Meter:±0.1% FS, Overall: ±15mV
Conductivity Measuring range Conductivity:(0.00~19.99)μS/cm (20.0~199.9)μS/cm (200~1999)μS/cm (2.00~19.99)mS/cm (20.0~199.9)mS/cm TDS: (0 ~ 100)g/L Salinity: (0 ~ 100)ppt Resistivity:(0 ~ 100)MΩ·cm


0.01/0.1/1μS/cm 0.01/0.1 mS/cm
Accuracy Meter:±1.0% FS, Overall:±1.5% FS

Temp. compensation range

(0 ~ 50)℃(manual)

Electrode constant

0.1 / 1 / 10 cm-1

Benchmark temperature

25℃、20℃ and 18℃
Other Technical Parameters

Data storage

200 groups
Storage content Series number, measuring value measuring unit and temperature,


Two AA batteries (1.5V x2)

Size and weight

meter:(65×120×31)mm/180g;Suitcase: (360×270×76)mm/1.6Kg
Quality and safety certification ISO9001:2000, CE and CMC
Working Condition

Environment temperature

5 ~ 35 ℃(0.01grade)

Environmental humidity


IP rating

IP57 Dustproof and waterproof


Standard Kit Includes



1. Model SX723 pH/mV/Conductivity meter 1unit
2. 201T-S plastic pH/ATC three-in-one combined electrode 1pc
3. 2301-S plastic conductivity electrode 1pc
4. pH standard buffer solution(pH4.00, pH7.00 and pH10.01/50mL) 1btl/each
5.1413μS/cm conductivity standard solution (50mL) 1pc
6.Screw driver 1pc
7. Spare AA batteries 2pcs
8. Operation manual 1pc
9. Carrying case 1unit
SX723 Portable pH/Conductivity Meter Please inquiry,we will reply in 24h
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