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Portable Type

P-520 Portable PH /Conductivity Meter

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●Large LCD screen with controllable white backlight.

●Humanized designs like rack and skid proof shell make it more convenient for users.

●Double-parameter and equipped with pH electrode and conductivity electrode, can recognize electrode automatically.

●Built-in microprocessor chip with functions of auto calibration, auto temperature compensation, data storage, function setup, self-diagnosis, auto power off, low voltage display.

● Auto recognition of 13 standard pH buffers and there are three series of standard buffers for option: Europe & USA, NIST and China.

● Able to set pH measurement modes of high purity water and pure water with ammonia.

●Auto recognition of 8 standard conductivity buffers and there are three series of standard buffers for option: Europe & USA series, China series.

●Adopt advanced conductivity measurement technology, one point calibration of conductivity electrode with constant K=1 can meet the measuring accuracy requirements for test 0.5μ S/cm ~ 200mS/cm.

●Able to switch between conductivity, TDS, salinity and resistivity multinomial calculation for TDS and salinity to ensure the conversion precision of the full scale.

●Conductivity mode has the function of non-linear temperature compensation for high purity water.

●IP57 and equipped with calibration solution and carrying case.


Specifications


PH

Measuring range

(-2.00 ~ 19.99) pH

Resolution

0.1/0.01 pH

Accuracy

Electrode: ±0.01 pH, Instrument: ±0.02 pH

Input current

≤2×10-12 A

Input impedance

≥1×1012 Ω

Stability

±0.01 pH/3h

Temp compensation

(0 ~ 100) (automatic)

mV

Measuring range

-1999mV ~ 0 ~ 1999mV

Resolution

1 mV

Accuracy

Electrode: ±0.1% FS

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

Resolution

0.01/0.1/1μS/cm,  0.01/0.1 mS/cm

Accuracy

Electrode: ±1.0% FS, Instrument: ±1.5%FS

Temp compensation

(0 ~ 50) (automatic)

Electrode constants

0.1/1/10 cm-1

Reference temperature

25, 20, 18

Others

Data storage

200 groups

Storage contents

Series number, measuring value measuring unit and temperature

Power

Two AA batteries(1.5V×2)

Dimensions & Weight

65×120×31mm/180g (instrument)

255×210×50mm/790g (with carrying case)

Working Condition

Ambient temperature

(5 ~ 35) (grade 0.01)

Ambient humidity

≤85%

IP grade

IP57


Standard Configuration

1. P-520 pH/mV/Conductivity meter                                                     1 unit

2. Composite electrode                                                                          1 pc

3. Conductivity electrode                                                                        1 pc

4. Standard pH buffer solution (pH4.00, pH6.86, pH9.18/50ml)             1 bottle/each

5. 1408μS/cm standard conductivity solution (50ml)                             1 bottle

6. Backup AA battery                                                                               2 pcs

7. Operation manual                                                                               1 copy

8. Carrying case                                                                                       1 pc


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