PH220A EXTECH [Extech Instruments Corporation.], PH220A Datasheet - Page 2

• Manufacturer Part Number: PH220A
• Description: Waterproof Palm pH Meter
• Manufacturer: EXTECH [Extech Instruments Corporation.]

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
Note 1: Accuracy does not include pH buffer
Note 2: Accuracy specified from 0.02pH to 13.98pH
32 to 212
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.
0 to 100
32 to 212
0.00 to 14.00pH (0.01pH)
± 1999 mV DC (1 mV)
Range (Resolution)
temperature coefficient
o
o
C (0.1°<100°;1°>100°)
F (0-100
2
o
F (<100
o
C) Automatic ‘ATC’
o
;1
o
>100
Model PH220 Version 3.1 11/2005
o
)
Accuracy
± 0.02pH
represent
± 0.5
± 1.0
± 2mV
o
o
C
F