PCE Instruments PH 25 Conductivity Meter

Model # PH 25

The pH meter provides the user with comprehensive measurement applications. In addition to determining the pH value, the pH meter also shows the conductivity, the filtrate dry residue, the salinity and the temperature of the sample.
The pH meter is a measuring instrument for mobile measurement. In order to facilitate the most comfortable transport, the pH meter is supplied with a practical belt clip into which the measuring instrument can be inserted.
In contrast to a normal pH meter, there are many possibilities to perform a liquid analysis. The scope of application ranges from the diagnosis of private aquariums to the examination of water bodies or swimming pools.

BrandPCE Instruments
Model NumberPH 25

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The pH meter provides the user with comprehensive measurement applications. In addition to determining the pH value, the pH meter also shows the conductivity, the filtrate dry residue, the salinity and the temperature of the sample. The pH meter is a measuring instrument for mobile measurement. In order to facilitate the most comfortable transport, the pH meter is supplied with a practical belt clip into which the measuring instrument can be inserted. In contrast to a normal pH meter, there are many possibilities to perform a liquid analysis.
The scope of application ranges from the diagnosis of private aquariums to the examination of water bodies or swimming pools. The measured values can be read directly on the display. In addition, these measured values can be stored directly on the internal measured value memory via the function keys.
Robust ABS housing (IP67)
Measurement data memory for 50 data sets
Mobile measuring instrument
HOLD function
Self-calibration possible
Display of salinity and conductivity

Measuring range	0.00 … 14.00 pH
Resolution	0.01 pH
Measurement accuracy	± 0.01 pH
Buffer detection pH measurement	pH 7.00, 4.01, 10.01 or pH 6.86, 4.00, 9.18
Temperature compensation pH measurement	Automatically -5 … 60°C / 23 … 140°F
Buffer detection Temperature measuring range	0.0 … 60.0°C
Offset detection pH electrode	± 100 mV at pH 7.00 + 91.7 mV / -108.7 mV at pH 6.86
Slope pH electrode	± 30% at pH 4.00, 4.01, 9.18, and 10.01
Input resistance	> 1012 Ω

pH meter: Technical data Conductivity
Measuring range	0 μS / cm … 20 mS / cm
Resolution	Minimum 1 μS / cm
Measurement accuracy	± 1% of the measured value
Reference temperature	15.0 … 25.0°C / 59 … 77°F
Temperature coefficient	0.00 … 4.00%

pH meter: Technical data TDS
Measuring range	0 mg / l … 20.00 g / l
Resolution	at least 1 mg / l
Measurement accuracy	± 1% of the measured value
Constant	0.30 … 1.00

pH meter: Specifications Salinity
measuring range	0.0 … 10.0 ppt
resolution	0.1 ppt
measurement accuracy	± 1% of the measured value

pH meter: Technical data Temperature
Measuring range	-5.0 … 60°C / 23 … 140°F
Resolution	-5.0 … 60°C: 0.1°C / 23 … 140°F: 0.18°F
Measurement accuracy	-5.0 … 60°C: ± 0.5°C /23 … 140°F: ± 0.9°C
Temperature sensor	Thermistor, 10 kΩ at 25°C / 77°F
unit	°C or °F

General technical data of the pH meter
Power supply	4 x LR44 battery
Automatic shutdown	after about 10 minutes of inactivity
Capacity Datalogger	50 records
Ambient temperature	0.0 … 50.0°C / 32 … 122°F
Ambient humidity	< 95% rh
Casing	ABS, IP67
Dimensions	44 x 200 x 25 mm / 1.7 x 7.9 x 1 in
Weight	110 g / < 1 lb