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