407510-EU-EN-V7.2-5/12
2
Introduction
Congratulations on your purchase of Extech's Heavy Duty Dissolved Oxygen / Temperature Meter
which simultaneously displays Dissolved Oxygen or Oxygen in air, and Temperature. Units of
measure are mg/l for Dissolved Oxygen, % for Oxygen in air, and
o
C/
o
F for temperature. Oxygen is
measured with a remote sensor that also contains a thermistor for measuring temperature.
Advanced features include RS 232 PC serial interface, data hold, auto shut off, and Min/Max/Avg
recording.
Meter Description
1. LCD
Display
2.
POWER ON/OFF key
3.
Data HOLD key
4.
°C/°F selection key
5.
LCD Contrast Adjust
6. RECORD
key
7. RECALL
key
8.
Factor adjust key
9. Probe
head
10. Sensor
body
11. Sensor
plug
12. Sensor
jack
13. RS-232 output jack
14. Battery
cover
(rear)
15. Altitude compensation key
16. O
2
Cal key
17. Zero
key
18. O
2
calibration key
19. % Salt key