General Lab Catalogue - Crison Instruments - (Version JPG) - Page n° 10 - PDF Catalogue | Technical Documentation

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Probe, Sample changer, Conductivity meter, Thermometer, Handheld thermometer

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Display examples

Simultaneous measurement of pH and temperature.

Keypad

The whole range of functions can be accessed using only 4 keys, both In pH-meter and thermometer modes.

Technical specifications

Operation

The PH25 software Is similar to that of all other CRISON portables, and has been designed to make the use of this new range of Instruments as easy as possible.

mil

pH IU.JC

EIE-

mV measurement


	Measuring ranges	pH-meter. -2.00...16.00 pH, ± 1500 mV and -20...150 °C thermometer, -200...600°C.
	Resolution	pH-meter, 0.01pH,1mV,0.1°C. thermometer, 0.1 °C,-99.9... 199.9 1°C, for the rest of the range.
	Measuring error (± 1 digit)	pH-meter, s 0.01 pH, s 1mV, s 0.2°C. thermometer, £0.2°C,-99.9... 199.9 s 1°C, for the rest of the range.
	Reproducibility (± 1 digit)	pH-meter, ± 0.01 pH, ±1 mV,± 0.1°C. thermometer, ±0.1°C,-99.9 ... 199.9 ± 1°C, for the rest of the range.
	Input impedance	> 10¹² Ohm (Q) The change from high to low impedance is made int the electrode connector.
	Autom. temperature compensation	By entering the temperature value using the keypad. Using a temperature sensor.
	pH calibration	With 1,2or3 buffers chosen from the following values: pH 2.00,4.01, 7.00,9.21 and 10.90 (at 25°C). Selection of theoretical calibration.
	Display	Liquid crystal with pictograms.
	Keypad	Membrane, 4 keys. Guaranteed for up to 6 million strokes per key. Material: PET with protective treatment
	Sensors connector	MP-5, five-contact multipin. IP 67 protection.
	Power supply	Two 1.5V, type AA batteries, autonomy of over 1000 h.
	Electrical safety	EN61010-1.EN61010-1/A2.
	EMC (Electromagnetic compatibility)	Meets EC, EN 61326, EN 61326/A1.
	Degree of protection	IP 65.
	Permitted ambient conditions	Operating temperature 0... 50°C. Storage and transport temperature -15... 65°C. < 80 % relative humidity, non condensing.
	Enclosure	Casing material: ABS.
	Physical parameters	Weight 200 g, dimensions 160x 75x 50 mm.

Instrument In calibration mode with one, two or three buffers.


		inn
	pH	*I.UU*
	ffl
		*CAL.*

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Measuring as a thermometer

Low battery warning

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Specifications suject to change without notice

Ordering information

Code Description

25 00 PH25 without accessories

25 01 PH 25 with accessories, without electrode

25 02 PH 25 with accessories and carry case, without electrode

ACCESSORIES: Bottles of 125 ml of pH 4, pH 7and pH 9 buffer solutions and small flasksfor calibration. ELECTRODES: The electrode must be requested separately for all versions of the PH25. (See Pages 32-33). TEMPERATURE PROBES: Described on pages 44 and 98.

Laboratory Catalogue 2004 1st Edition

General Lab Catalogue - Crison Instruments - #10

Probe, Sample changer, Conductivity meter, Thermometer, Handheld thermometer