Extech 407510 Bedienungsanleitung
Extech
Multimeter
407510
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User Guide
Heavy Duty Dissolved Oxygen Meter
Model 407510
407510-en-GB_V7.7 11/15 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
oC/oF 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. 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. O2 Cal key
15. Zero key
16. Mg/L (DO), O2 (Air) selection key
17. % Salt key
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10
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407510-en-GB_V7.7 11/15 3
Getting Started
Note: The dissolved oxygen probe assembly may be shipped to you from the factory dry.
If the probe does not contain electrolyte solution, refer to the Electrolyte Replacement
section of this manual for the instructions for adding the electrolyte solution prior to
initial use.
Filling the Electrolyte Container Prior to Initial Use
1. Unscrew and remove the electrolyte container from the tip of the
probe.
2. Fill the electrolyte container with new electrolyte.
3. Screw the electrolyte container back onto the electrode holder
and probe handle. Excess Electrolyte may be forced out through
the threads. Wipe clean.
4. Lightly tap the probe to remove any air bubbles.
Calibration
For first time use or after long periods (several days) of non-use, calibrate the instrument using the
following steps. The procedure should be performed in an open, well-ventilated area.
1. Make sure that the meter is powered OFF.
2. Ensure that the sensor is DISCONNECTED from the meter.
3. Turn ON the meter.
4. Slide the O2/DO selector to the O2 position.
5. Press the ZERO key to null the meter (the display should indicate "OO").
6. Turn OFF the meter.
7. Connect the DO sensor to the top of the meter (remove the plastic probe head protective
cap).
8. Turn ON the meter.
9. Allow the meter to stand for at least five minutes until the most stable value is displayed.
10. Press the O2 Cal key and the display will indicate approximately 20.9 (typical O
2 in air).
Produktspezifikationen
| Marke: | Extech |
| Kategorie: | Multimeter |
| Modell: | 407510 |
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