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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 (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)