Sondes
Section
2
YSI Incorporated
Drinking Water Monitoring Systems Operations Manual
2-14
INSTALLING THE PROBE GUARD
Included with each sonde is a probe guard although customers will seldom use this item for drinking water
studies. The probe guard protects the probes during some calibration procedures and should be used if the
sonde were ever used in field studies that did not involve the flow cell. Once the probes are installed,
install this guard by aligning it with the threads on the bulkhead and turn the guard clockwise until secure.
CAUTION:
Be careful not to damage the free chlorine membrane during installation of the probe guard.
The figure below shows the YSI 6920DW probe guard; the guard for the 600DW-B is similar.
2.3.3
STEP 3 - POWER
The YSI 6920DW and 600DW-B sondes have internal batteries or can run on external power.
In addition, if you have purchased a YSI 650 MDS display/logger or 6500 Process Monitor, attaching your
sonde to these instruments will allow your sonde to be powered from the batteries of the 650 or the AC
power of the 6500.
POWER FOR LAB CALIBRATION
Using a YSI 6038 (110 VAC) or 6651 (100-240VAC) Power Supply to power the sondes in the lab is
often convenient and extends battery life. In addition, AC power will likely be available for many drinking
water studies and the 6651/6038 may be the most efficient method of providing power for long term
monitoring studies. After attaching the four-pin connector from the power supply to the instrument cable
(see below), simply plug the power supply into the appropriate AC outlet.
See
Section 2.2,
Connecting Your Sonde
, for specific information on cables, adapters and power supplies
required for connecting your sonde to various devices.
BULKHEAD
(PROBES INSTALLED)
PROBE GUARD
TURN CLOCKWISE BY
HAND TO SECURE
Содержание 600DW-B
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