407510

V7.0 10/06

7

Battery Replacement

The low battery indication LBT appears on the LCD when the battery runs low.

To replace the battery:

1.

Remove the meter's rubber protective cover to access the rear battery compartment.

2.

Remove the battery compartment cover using a small coin or screwdriver and remove the

9V battery.

3.

Replace the 9V battery and reinstall the cover and holster.

Specifications

General Specifications

Circuit

Custom one-chip LSI microprocessor circuit

Display

Dual function 0.5" (13 mm) 1999 count LCD w/ contrast adjust

Measurements

Temperature: °C/°F

Data hold

Data hold key freezes displayed reading

Sensor Structure

Remote Polarographic Dissolved Oxygen Sensor

Temperature sensor: Precision thermistor

Data recording

Min/Max/Avg readings stored for later recall

Auto power off

Meter turns off after 10 minutes

Sample rate

0.4 Sec (approx.)

Data Output

RS 232 PC serial interface

Operating conditions Temperature: 32 to 122 °F (0 to 50 °C); Humidity: < 80% RH

Battery power

9V alkaline battery

Power Consumption Approx. 6.6 mA DC

Weight

0.74 lbs. / 335 g (including batteries & probe)

Dimensions

Main instrument: 7.1 x 2.8 x1.3" (180 x 72 x 32mm)

Probe: 4.9" x 0.8" length/diameter (125 x 20mm)

Accessories

Carrying case, 9V battery, and 5 membranes

Optional

accessories

Membranes, data acquisition software & RS232 interface cable

Electrical Specifications

Measurement

Range

Resolution

Accuracy

Dissolved Oxygen

0.0 - 19.9 mg/L

0.1mg/L

+ 0.4 mg/L

Oxygen in air

Temperature

(probe only)

32 to 122

0 to 50

0.1

±1.5

+ 0.8

Temperature (automatic)

32 to 122

Salt

0 to 39% (1% = ppt)

Compensation

adjustments

Altitude

0 to 3900 meters