General Lab Catalogue - Crison Instruments - (Version JPG) - Page n° 19 - PDF Catalogue | Technical Documentation

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Conductivity meter, Handheld thermometer, Probe, PH meter, Titrator

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20 GLP 22 (continuation)

Technical specifications

Operation

The GLP 22 software has been designed so that the operator can usethis high-performance pH-meter by following on-screen instructions, using a simple keypad and practically without having to read the instructions manual.


	Measuring ranges	pH -2 ...16,mV± 2000, °C -20 ...150 and relative mV, mol /I10-⁵ ...10"¹ (or ppm org/l).
	Resolution	Standard, 0.01 pH, 1 mV,0.1°C. Selectable, 0.1, 0.001 pH, 0.1 mV.
	Measuring error (± 1 digit)	s 0.003 phU0.2 mV.sO.2 °C.
	Reproducibility (± 1 digit)	±0.01 pH,±1 mV,±0.1°C. ±0.001 pH,±0.1 mV,±0.1 °C.
	Input impedance	>10¹²Ohm(n).
	Autom. temperature compensation	With Pt 1000ATC probe or entering data using the keypad.
	pH calibration	ln2or3 points, validity 0h...7 days. Special calibration, 1 selectable point between 0...14 pH. Recalibration warning with option of forced recalibration. Rejection of defective electrodes. Accepted electrode values: -slope 50... 65 mV/pH,at25°C. - sensitivity 86... 110%. - asymmetry potential ± 40 mV.
	Autom. buffer recognition	Technical pH 2.00,4.01, 7.00, 9.21,10.90, (at25°C). NIST pH 1.679,4.0061, 6.865, 9.180,10.254, (at 25°C).
	History of pH electrode	Last 10 calibrations. No. of measurements, etc.
	Measuring programs	A fixed one and four user-modifiable ones.
	Data logger	Storage capacity: 447 readings. Alphanumeric and graphical reports
	Display	Alphanumeric backlit crystal display. 4 lines of 20 characters.
	Languages	English, Spanish, french, italian.
	Power up diagnostic	RAM, EPROM, EEPROM memories, display and keypad.
	Inputs and outputs	Measuring electrode, BNC connector. Reference electrode, banana 0 4. ATC, Pt 1000 type, telephone or banana connector 0 4. Interface for standard PC keyboard. Interface RS 232 C, bidirectional. Polarising current, 10uA (i.e. for Karl Fischer). Analog outlet, electrode potential follower. Control for CRISON stirrer: On/Off and speed.
	Power supply	12VDC/275 mA external power supply
	Electrical safety	Meets EC, EN 61010.
	EMC (Electromagnetic compatibility)	MeetsEC, EN 50081-1 andEN 50082-1.
	Permitted ambient conditions	Operatingtemperature 5...40°C Storage and transport temperature -15... 65 °C. < 80 % relative humidity, non condensing.
	Enclosure	Casing material, high density polyurethane.
	Physical parameters	Weight 1.580 g, dimensions 180x215x 130 mm.

Communications software GLP-PC

Software forWindows, making capture and availability of data on PC easier.

The GLP 22 can be operated from a PC thanks to its two-way RS 232 C interface.

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PC display example

Specifications suject to change without notice

Ordering information


	Code
	22 00	GLP 22 with accessories, without electrode
	22 01	GLP 22 with accessories and electrode 52 01, with integrated ATC
	22 02	GLP 22 with accessories and electrode 52 02
	22 03	GLP 22 with accessories, electrode 52 02 and ATC 55 31
	22 04	GLP 22 with accessories, electrode 52 01 and magneticstirrer

Certificates

The GLP 22 is supplied with the specifications Certificate and the EC Declaration of Conformity as per directive EMC 89/336/EC. For further information, please see page 132.

PLUG-IN POWER SUPPLY: The instrument is supplied with a 230 VAC plug-in power supply. For 115 VAC, please specify when ordering.

SENSORS: Electrodes. Pleaseseepages36... ATC Temperature probe, Pleaseseepage44 ACCESSORIES: flexible arm, electrode cable and 250 ml bottles of pH 4 and pH 7 buffer and electrolyte. OPTIONAL ACCESSORIES: See page 61

Laboratory Catalogue 2004 1st Edition

General Lab Catalogue - Crison Instruments - #19

Conductivity meter, Handheld thermometer, Probe, PH meter, Titrator