Model : 6250

Description
pH/ mV/ ION/ Temp. microprocessor handheld meter in splash proof case with RS-232-C IBM compatible communications interface, BNC pH/ mV/ ION connector and 8-pin DIN ATC connector. AC/ DC power. CE Approved.

* CE approved
* RS-232c output
* Power down backup
* Splash resistant/ watertight case
* Battery/ ac adaptor
* High 50/ 60hz noise rejection
* High resolution , 4 1/ 2 digit readout
* Highly reliable mechanical touch keys with audio feedback
* Programmable resolution to 0.001/ 0.1 pH, 1/ 0.1 mv
* Direct readout in ion concentration ( calibration units conform to that of the calibration standard solutions)

Specifications
Range : -2.00 to 16.00 pH
-1999 to 1999 mV
0.00 to 119.8 conc.,
over 3 ranges
0.00 to 25.00 conc.
25.0 to 50.0 conc.
50.0 to 119.8 conc.
-5.0 to 125.0 ° C
Resolution : 0.01 pH or0.001pH( selectable)
1 mV or 0.1mV( selectable)
0.05 to 0.2 conc.,
over 3 ranges
0.05 conc.
0.1 conc.
0.2 conc.
0.1° C
Accuracy : ± 0.1% ± 1 digit
± 0.1% ± 1 digit
± 2 LSD
± 2 LSD
± 2 LSD
± 2 LSD
± 0.5 ° C

General
* pH buffer recognition model: 6250 - pH 7.00, 4.01, 10.01 6250c - pH 6.86, 4,
* pH standardization: Dual point standardization
* Ion standardization: Single or dual point standardization
* pH temp. compensation: Auto/ manual -5.0 to 125.0° C
* pH buffer temp. range: 0 to 50.0° C
* pH electrode offset recognition: ± 90 mV at pH 7.00 or 6.86
* pH electrode slope recognition: ± 30% at pH 4.00, 9.18 or10.01
* Input impedance: Greater than 10exp( 12) ohms
* ATC probe: Thermister, 10 kilo ohms at 25° C
* Communication: RS-232c output
* Audio feedback: All touch keys
* Display pH/ me/ temp: 15mm/ 7.5mm high LCD
* Ambient temp. range: 0 to 50.0° C
* Power supply: battery/ adaptor: 6AAA batteries/ ac adaptor
* Power backup: Memeory backup
* Battery life ( alkaline) : 25 hours or so
* Dimensions: 83mm x 241mm x71mm
* Weight: 450gms ( batteries included)