Introduction; Meter Description - Extech Instruments 407510 User Manual

1.800.561.8187

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
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. RECORD key
6. RECALL key
7. Factor adjust key
8. Probe head
9. Sensor body
10. Sensor plug
11. RS-232 output jack
12. Battery cover (rear)
13. Altitude compensation key
14. O Cal key
2
15. Zero key
16. Mg/L (DO), O (Air) selection key
2
17. % Salt key
www.
o o
C/ F for temperature. Oxygen is
2 407510-en-GB_V7.7 11/15
information@itm.com
.com