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● The most widely used pH + Conductivity Double-Parameter measurement meter. |
| ●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 pH buffer solution. User can choose anyone from three series of standard buffer solutions: Europe & USA series, NIST 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. |
| ● Can switch Conductivity, TDS, Salinity and Resistivity. |
| ● Meter has the only product serial number. |
| ● Dustproof and waterproof meter meets IP54 standards. All sockets are seal protected by the silica gel caps. |
|
pH |
Measuring range
Resolution
Accuracy
Input current
Input impendance
Stability
Temp. compensation range |
（-1.999~ 19.99）pH
0.1/0.01/0.001 pH
Meter:±0.01 pH, connect meter with electrode:±0.01pH
≤1×10-12 A
≥3×1012 Ω
±0.01 pH/3h
(0 to 100) ℃（automatic or manual） |
|
mV |
Measuring range(mV/ORP/EH)
Resolution
Accuracy |
-1999.9mV ~ 0 ~ 1999.9mV
0.1mV
±0.03% FS |
|
Conductivity |
Measuring range
Resolution
Accuracy
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
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:±1.0% FS,connect meter with electrode:±1.5% FS
（0 ~ 50）℃（automatic ）
0.1 / 0.5 / 1 / 5 / 10 / 50 / 100 cm-1
25℃、20℃ and 18℃ |
|
Temperature |
Measuring range
Resolution
Accuracy |
-10℃~ 110℃
0.1℃
5~ 60℃range：±0.4℃ other range：±0.8℃ |
|
Other Technical Parameters: |
Data storage
Storage content
Power
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
DC9V/300mA
RS232
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）
≤75%
IP54 Dustproof and waterproof |
| 1. Model MP521 Lab pH/Conductivity meter | 1set |
| 2. Model 602 flexible electrode holder | 1pc |
| 3. 201T-M plastic pH/ATC three-in-one combination electrode | 1pc |
| 4. 2301-M plastic conductivity electrode | 1pc |
| 5. pH standard buffer solution（pH4.00, pH7.00 and pH10.01/50mL） | 1btl/each |
| 6. 1413μS/cm conductivity standard solution（50mL） | 2btls |
| 7. 9V power adapter（meter use）e | 1pc |
| 8. RS-232 communication cable | 1pc |
| 9. MP521 communication software disk | 1pc |
| 10. Operation manual | 1unit |
| 11. Brief operation instruction | 1unit |
| 12. Packing List | 1pc |
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Accessory Categry |
Description |
Specifications |
|
pH combination electrode |
201-C plastic combination pH electrode |
Suitable for routine pH measurements, widely used, BNC connector。 |
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200-C plastic combination pH electrode |
Suitable for routine pH measurements, long continuous, high precision, BNC plug. | |
|
206-C plastic combination pH electrode |
Smaller diameter electrode, suitable for small diameter container in a test, BNC connector | |
|
201T-M plastic three-in-one combination pH electrode |
Simultaneous measurement of pH and temperature, automatic temperature compensation, BNC + RCA plugs. | |
|
2501-C glass combination pH electrode |
For precise pH test, routine laboratory use, BNC plug. | |
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2503-C glass combination pH electrode |
For precise pH test, used to measure complex samples, BNC plug. | |
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2503D-C glass combination pH electrode |
For low-temperature solution and pure water pH measurement, BNC plug. | |
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2503G-C glass combination pH electrode |
Suitable for high temperature solution pH measurements, BNC plug | |
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2503S-C glass combination pH electrode |
For acid and high-temperature solution pH measurements, BNC plug. | |
|
2015P-C plane combination pH electrode |
For the surface and trace solution pH measurement, BNC plug. | |
|
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 | |
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Glass flow cell |
Equipped with DJS-0.1-M electrode | |
|
ORP Composite electrode |
301Pt-C Plastice ORP combination electrode |
ORP measurement for conventional, wide range of uses, BNC plug |
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3501Pt –C Glass ORP combination electrode |
ORP measurement of routine laboratory, test stability, fast response, BNC plug | |
|
Temperature Electrode |
MP500 Temperature electrode |
Stainless steel housing, fast response, high accuracy, RCA plugs |
|
pH Buffer |
pH4.00 buffer |
500mL/250mL/50mL（bottle） |
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pH6.86 buffer |
500mL/250mL/50mL（bottle） | |
|
pH7.00 buffer |
500mL/250mL/50mL（bottle） | |
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pH9.18 buffer |
500mL/250mL/50mL（bottle） | |
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pH10.01 buffer |
500mL/250mL/50mL（bottle） | |
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Conductivity Calibration Solution |
84 μS/cm Conductivity Calibration Solution |
500mL/250mL/50mL（bottle） |
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1413 μS/cmConductivityCalibration Solution |
500mL/250mL/50mL（bottle） | |
|
12.88 mS/cmConductivityCalibration Solution |
500mL/250mL/50mL（bottle） | |
|
146.6 μS/cmConductivityCalibration Solution |
500mL/250mL/50mL（bottle） | |
|
1408 μS/cmConductivityCalibration Solution |
500mL/250mL/50mL（bottle） | |
|
12.85 mS/cmConductivityCalibration 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） | |
|
ORP standard solution |
222 mV ORP Standard solution |
250mL/100mL/50mL（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 |
