General Lab Catalogue - Crison Instruments - #9

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Text version of the page
io Portable pH-meter, PH 25
This instrument is light, functional
and very robust.
It has been designed to work in
harsh conditions, both in industry
and in the field or lab.
Two instruments in one. Depending
on the sensor connected, it can be a
pH-meter or a thermometer.
Key features
Double-LCD display screen, for
simultaneous readings of pH, or mV and temperature. With icons indicating battery, calibration, unit, etc. status.
Two instruments in one: a pH-
meter and a thermometer. As a pH-meter it measures pH and °C and, by replacing the pH electrode with a temperature probe with a Ft 1000 sensor, itturns into a precision ther­mometer for up to 600 °C. The temperature probes which can be connected to the PH 25 are described on pages 44 and 98.
Automatic calibration with 1, 2 or 3 buffers, which can be pH 2.00, 4.01,7.00,9.21 and 10.90,values at25°C.
Error messages for incorrect calibrations.
The instrument automatically switches itself off if no keys are pressed for 5 minutes. This function can be disabled bythe user.
Uses very little electricity. With the instrument on, the batteries will last approximately 1000 hours.
IP 65 Protection. Dust- and water­proof.
Sensors connector (IP 67 protection) for connecting pH electrodes with or without an integrated temperature sensor. Any Pt 1000 temperature probe can also be connected to it.
"Long life" membrane keypad,
guaranteed for up to 6 million strokes per key.
Optional carry-case, holds everything you need to work in comfort.
Advantages of the PH 25
• Very easy...
• Shock-resistant
• Ergonomic design
• Long-life batteries
• Industrial-use keypad
• Very competitively priced
Limitations
All portable instruments, even watertight ones, are at risk from condensation when exposed to low temperatures.
This limitation disappears when using CRISON lab or process pH-meters.
Certificates
Supplied with the EC Declaration of Conformity as per directive EMC 89/336/EC, and specifications certificate.
For further information, please see page 132.
pH
Laboratory Catalogue 2004 1st Edition

pageCatalog pdf di En 2012-05-22-28