Specifications - Extech Instruments PH220A User Manual

Specifications

mV (ORP)
Temperature
pH
Temperature Compensation
Power
Display
Over-range or open indication Displays "HHH" for over-range or open input conditions
pH Calibration points
Auto Power OFF
Low Battery Indication
Dimensions / Weight
Accessories supplied with kit
Range (Resolution)
± 1999 mV DC (1 mV)
o o
32 to 212 F (<100 ;1
o
0 to 100 C (0.1°<100°;1°>100°)
0.00 to 14.00pH (0.01pH)
Note 1: Accuracy does not include pH buffer
temperature coefficient
Note 2: Accuracy specified from 0.02pH to 13.98pH
o o
32 to 212 F (0-100 C) Automatic 'ATC'
9 volt alkaline battery
Dual LCD display for simultaneous pH and temperature
readings
Displays "LLL" for under-range
4.00, 7.00, 10.00 (1, 2, or 3 point calibration can be
performed)
10 minutes from last key-press (can be disabled)
Fill bars in the battery display icon
battery power status. The fewer the bars, the weaker
the battery power.
4.25 x 3.00 x 1.18" (108 x 75 x 30mm) / 4.8 oz. (135g)
Battery, suction cup holder, clip holder, stick electrode
for model PH220-S, standard electrode with 39" cable
for model PH220-C.
2
Accuracy
± 2mV
o o
>100 ) ± 1.0
± 0.5
± 0.02pH
represent
Model PH220 Version 3.1 11/2005
o
F
o
C