Sper Scientific 840087 pH Meter - Basic User Manual
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IV. SPECIFICATIONS
Display
LCD, 1/2” (21.5 mm ) digit height
Input Impedance
10
12
ohm
Measurement Range
0 ~ 14 pH X 0.01 pH
Resolution 0.01
pH
Accuracy
± 0.07pH (pH5 ~ pH9)
± 0.2pH (<pH5, >pH9)
Meter only, after calibration and including
error for temperature at 64 ~ 82°F
(18 ~ 28°C)
Ph Calibration
External pH4 (slope adjustment) and
pH7 Cal. adjustment
PH Electrode
Any pH electrode with a BNC connector
Operating Temperature
32 ~ 122°F (0 ~ 50°C )
Operating Humidity
Max. 80% RH
Sampling Time
Approximately 0.4 seconds
Power Supply
006P DC 9V battery
Power Consumption
Approximately 2.0 mA
Weight (meter)
7
1/2
oz (220g)
Size (meter)
7
3/4
x 2 ½" x 1" (205 x 68 x 30 mm)
840090
Water Resistant Instrument Pouch
840092
Bench-Top Tripod
840093
Field Tripod
840016
pH Probe
V. OPTIONAL ACCESSORIES (item number and description)
860008
pH 4 Buffer Solution (3 bottles, 40 mL each)
860009
pH 7 Buffer Solution (3 bottles, 40 mL each)
860010
pH 10 Buffer Solution (3 bottles, 40 mL each)