Battery Replacement; Specifications; General Specifications; Electrical Specifications - Extech Instruments 407510 User Manual

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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.
You, as the end user, are legally bound (Battery ordinance) to return all used batteries and
accumulators; disposal in the household garbage is prohibited!
You can hand over your used batteries / accumulators at collection points in your community
or wherever batteries / accumulators are sold!
Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the end
of its lifecycle

Specifications

General Specifications

Circuit Custom one-chip LSI microprocessor circuit
Display Dual function 13 mm (0.5") 1999 count LCD w/ contrast adjust
Measurements Dissolved O
°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: 0 to 50 °C (32 to 122 °F); Humidity: < 80% RH
Battery power 9V alkaline battery
Power Consumption Approx. 6.6 mA DC
Weight 335 g / 0.74 lbs.(including batteries & probe)
Dimensions Main instrument: 180 x 72 x 32mm (7.1 x 2.8 x1.3")
Probe: 190x28mm (7.5" x 1.1") length/diameter
Accessories Carrying case, 9V battery, and 5 membranes
Optional accessories Membranes, data acquisition software & RS232 interface cable

Electrical Specifications

Measurement
Dissolved Oxygen
Oxygen in air
Temperature (probe
only)
Compensation
adjustments
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All rights reserved including the right of reproduction in whole or in part in any form.
www.
: mg/l (milligrams per liter); Oxygen in air: %; Temperature:
2
Range Resolution
0.0 - 19.9 mg/L 0.1mg/L
0 - 100% O 0.1 % O
2
o
32 to 122 F 0.1
o
0 to 50 C
Temperature (automatic)
Salt
Altitude
7
.com
Accuracy
+ 0.4 mg/L
+ 0.7% O
2 2
o o
F/C ±1.5 F
o
+ 0.8 C
o o
0 to 50 C (32 to 122 F)
0 to 39%
0 to 3900 meters
407510-en-GB_V7.7 11/15
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