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MP511

Lab pH Meter

Features

General laboratory bench pH meter, which is suitable for measuring moderate ionic strength solutions, such as surface water, lake water and industrial wastewater. It can be used in most of the areas related to water quality analysis.

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.
 
Meter has the only product serial number.
 
Dustproof and waterproof meter meets IP54 standards. All sockets are seal protected by the silica gel caps.

Specifications

 
pH Measuring range -1.99 ~ 19.99pH
Resolution 0.1/0.01/0.001 pH
Accuracy

Meter:±0.002 pH, connect meter 

with electrode:±0.01pH

Input current ≤1×10-12 A
Input impendance ≥3×1012 Ω
Stability ±0.001 pH/3h
Temp. compensation range (0 to 100) ℃(automatic or manual
mV

Measuring 

range(mV/ORP/EH)

-1999.9mV ~ 0 ~ 1999.9mV
Resolution 0.1mV
Accuracy ±0.03% FS
Temperature Measuring range -10~ 110
Resolution 0.1
Accuracy 5~ 60range±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 MP511 pH meter 1 unit
2. Model 602 flexible electrode holder 1pc
3. 201T-M plastic pH/ATC three-in-one combination electrode 1 pc
4. pH standard buffer solution (pH 4.00,7.00,10.01/50ml) 1 bottle for each
5. 9V power adapter 1pc
6. RS-232 communication cable 1pc
7. MP511 communication software CD 1pc
8. Operation manual 1 unit
9. Brief operation manual 1 unit
10. Packing List 1 pc

 

Optional Accessories

Accessory Categry Description Specifications

pH combination 

electrode

201-C plastic combination 

pH electrode

Suitable for routine pH measurements, 

widely used, BNC connector

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.

2503-C glass combination

 pH electrode

For precise pH test, used to measure 

complex samples, BNC plug.

2503D-C glass combination 

pH electrode

For low-temperature solution 

and pure water 

pH measurement, BNC plug.

2503G-C glass combination 

pH electrode

Suitable for high temperature solution 

pH measurements, BNC plug

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.

ORP Composite electrode

301Pt-C Plastice ORP 

combination electrode

ORP measurement for conventional, wide

 range of uses, BNC plug

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/50mLbottle
pH6.86 buffer 500mL/250mL/50mLbottle
pH7.00 buffer 500mL/250mL/50mLbottle
pH9.18 buffer 500mL/250mL/50mLbottle
pH10.01 buffer 500mL/250mL/50mLbottle
Electrode soaking

pHORPCombination 

Electrode Soaking Solution

500mL/250mL/100mLbottle

10-5 mol/L Sodium ion 

electrode soaking Solution

Equipped with 7801Sodium electrode . 

500mL/250mL/100mLbottle

ORP standard solution

222 mV ORP 

Standard solution

250mL/100mL/50mLbottle
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