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MP526

Conductivity/DO Meter

Introduction

●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 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.
● 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.
● Equips new type of DO electrode which has function of automatic temperature compensation and automatic salinity compensation as well as automatic air pressure compensation inside meter to make DO measuring mode has temperature, air pressure and salinity automatic compensation, easy to use, accurate to measure.
● Polarogram type DO electrode has special electrode calibration cap. Only needs 3 to 5 minutes for electrode polarization. Electrode adopts combination diaphragm cap which very convenient to use. Each DO electrode equips with three spare diaphragms caps.
● Meter has the only product serial number.
● Dustproof and waterproof meter meets IP54 standards. All sockets are seal protected by the silica gel caps.
 

Specification

Conductivity Measuring range

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
Resolution 0.01/0.1/1μS/cm  0.01/0.1/1 mS/cm
Accuracy

Meter:±0.5% FS,connect meter with 

electrode:±0.80% FS
Temp. compensation range （0 ~ 50）℃（automatic ）
Electrode constant 0.1 / 0.5 / 1 / 5 / 10 / 50 / 100  cm-1
Reference temperature 25℃、20℃ and 18℃
Dissolved Oxygen Measuring range （0 ~ 40.00）mg/L(ppm)  （0 ~ 200.0）%
Resolution 0.1/0.01 mg/L(ppm)  1/0.1 %
Accuracy

Meter：±0.10 mg/L，connect meter 

with electrode：±0.40 mg/L
Response time  ≤30 s（25℃, 90% response）
Residual current ≤0.1 mg/L
Temp. compensation range （0 ~ 45）℃（automatic）
Salinity compensation range （0 ~ 45）ppt（automatic）
Air pressure compensation （80 ~ 105）kPa（automatic）
Automatic calibration Air saturated by water; water saturated by air
Electrode type Polarogram type
Temperature Measuring range -10℃~ 110℃
Resolution 0.1℃
Accuracy 5~ 60℃range：±0.4℃  other range：±0.8℃
Other Technical Parameters: Data storage 300 groups
Storage content

Measuring value series number, measuring 

value, temperature, ATC or MTC state, 

measuring date and time
  DC9V/300mA
Power RS232
Communication connector 160 × 190 × 70mm/880g
Size and weight ISO9001:2008, CE and CMC
Quality and safety certification  
Working Condition Environment temperature 5 ~ 35 ℃（0.01grade） 15 ~ 30 ℃（0.001grade）
Environmental humidity ≤75%
IP rating IP54 Dustproof and waterproof
 

Standard Kit Includes

1. Model MP526 Conductivity/DO Meter 1set
2. Model 602 Flexible Electrode Holder 1pc
3. Model 901 Intelligent Stirrer 1set
4. 2401-M Conductivity Electrode 1pc
5. DO500 DO Electrode 1pc
6. 1413μS/cm Conductivity Standard Solution (50mL) 2btls
7. 9V Power Adapter (Meter Use) 1pc
8. 6V Power Adapter (Stirrer Use) 1pc
9. DO503 Membrane Cap (Be used for DO electrode) 3pc
10. DO502 DO Electrode Inner Solution (30mL) 1btl
11. Cathode Polish Paper 20pc
12. B628 Stirring Bead 3pcs
13. AA Battery 4pcs
14. RS232 Communication Cable 1pc
15. MP526 Communication Software CD 1pc
16. Operation Manual 1unit
17. Brief Operation Instruction 1unit
18. Packing List 1unit
 

Optional Accessories

Accessory Categry Description Specifications
Conductivity Electrode

DJS-0.1-M Pure water 

conductivity electrode

K=0.1 cm-1，Automatic 

temperature compensation, 

for testing the conductivity 

of high pure water, 4-pin plug
  2401-M Glass conductivity electrode

K=1.0 cm-1，Automatic 

temperature compensation, 

precision laboratory test for 

conductivity, 4-pin plug.
  2301-M Plastic conductivity electrode

K=1.0 cm-1，Automatic 

temperature compensation 

for laboratory and field testing, 

4-pin plug.
  2310-M Plastic conductivity electrode

K=10 cm-1，Automatic temperature 

compensation, used to test 

seawater and concentrated 

salt water, etc., 4-pin plug
  Glass flow cell Equipped with DJS-0.1-M electrode
DO Electrode DO500 DO electrode

Polarographic-type DO 

electrode，For laboratory 

and field using, 8-pin plug
DO Electrode attachment DO503 DO electrode membrane cap

Combined membrane cap，

Dedicated to the DO500 DO 

electrode, size: 3 / group
  DO502 DO electrode electrolyte

Added electrolyte, dedicated 

to the DO500 DO electrode, 

specifications: 30mL/bottle
  DO501 Cathode polishing paper

Polishing paper, dedicated 

to clean DO500 DO electrode 

cathode, Size: 2 / group.
Temperature Electrode MP500 Temperature electrode

Stainless steel housing, 

fast response, high 

accuracy, RCA plugs
Conductivity Calibration Solution

84 μS/cm Conductivity 

Calibration Solution

 500mL/250mL/50mL（bottle）
 

1413 μS/cmConductivity

Calibration Solution

 500mL/250mL/50mL（bottle）
 

12.88 mS/cmConductivity

Calibration Solution

 500mL/250mL/50mL（bottle）
 

146.6 μS/cmConductivity

Calibration Solution

 500mL/250mL/50mL（bottle）
 

1408 μS/cmConductivity

Calibration Solution

 500mL/250mL/50mL（bottle）
 

12.85 mS/cmConductivity

Calibration Solution

 500mL/250mL/50mL（bottle）
Electrode soaking

pH（ORP）Combination 

Electrode Soaking Solution

 500mL/250mL/100mL（bottle）
 

10-5 mol/L Sodium ion 

electrode soaking Solution

Equipped with 7801Sodium 

electrode . 500mL/250mL/100mL

（bottle）
Electrode holder Model 602 Flexible Electrode Holder

Nice appearance of the 

arc-type bracket, you can turn 

360 degrees and vertical lift
 

Model 601Stirring Type 

Electrode Holder

The electrode holder and 

magnetic stirrer combination 

of new products.
  Model 600 Electrode Holder Cheap simple electrode holder