WS09
WS09 Series
WATER SENSOR service instructions
7
ENGLISH
7.4.3 Two point calibration for % Saturation
CAL2L, CAL2H: in menu CAL2L the
lower value and in menu CAL2H the
higher value can be calibrated. The lower
value should be between 0...40 % S
(preferably 11 %) and the higher value
should be between 60...95 % (preferably
80 %).
It can be set with increments of 0.1 %.
Incorrect calibration is indicated by CAL
FAIL and must be repeated.
7.4.4 Calibration kit & ordering information
Water sensor (handheld
unit and probe) with case: WS09DS
Water sensor, case and
optional calibration kit: WS09DSC
Probe only: WS09S
*Calibration kit: WS09CALK
**Calibration salts only: WS09CALS
Connecting cable: WS09CABLE
* Consists of the calibration device which
allows the sensor probed to be tightly
installed so that measurements is not
influenced by the surrounding air,
complete with five ampoules. 10 % RH
humidity standard, five ampoules 30 %
RH humidity and ten textile discs.
** Consists of five ampoules 10 % RH
humidity standard, five ampoules 80 %
RH humidity standard and ten textile
discs.
8. CHANGING THE BATTERY
If the symbol “BAT” appears in the display, the batteries have
to be replaced. Open the battery
case at the back of the
instrument.
Remove the exhausted batteries
and insert new ones.
Do not
use rechargeable cells!
Reverse polarity may destroy the
instrument; make sure to place
the batteries in the correct
position and to use high quality
batteries only.
9. MAINTENANCE AND ADJUSTMENT
9.1 Probe
Oil probe 12 mm (0.47")
Application: measurement of moisture in mineral
and synthetic oil
Working range: 0...100 % Saturation / 0...20000 ppm /
-40... 120 °C (-40...248 °F)
Accuracy: ±2 % Saturation (0...90 % Saturation),
±3 % Saturation (90...100 %
Saturation)
±0.2 °C (±0.36 °F) at 20 °C (68 °F),
±0.7 °C (±1.26 °F) at -40 & 100 °C
(-40 & 212 °F)
Measured value: Sensor 1: temperature [°C/°F]
Sensor 2: % saturation % S [%],
water content x [ppm]
Calibration: One point calibration (page 6)
Two point calibration (page 7)
9.2 Cleaning of humidity and temperature sensors
10. ENTERING OIL SPECIFIC PARAMETERS FOR
CALCULATING THE WATER CONTENT
To display the water content in PPM for a specific fluid, four
parameters, C1 to C4 must be set. To obtain values for these
parameters, contact Pall Corporation. The factory default
settings for these parameters is C1=1; C2=1; C3=1; C4=1.
The oil specific parameter C1 (-5000...500) can be set with
special function C1.
The oil specific parameter C2 (0.000...10.000) can be set with
special function C2.
The oil specific parameter C3 (-5000...500) can be set with
special function C3.
The oil specific parameter C4 (0.000...10.000) can be set with
special function C4.
If no oil constants are entered the display will read 0000 if PPM
display mode is entered.
Important: Two point calibrations should preferable
be carried out by accredited calibration laboratories!
Factory calibration can be restored by entering
offset 0.0.
Open battery case WS09
Use only batteries of
type IEC LR6 AA.
Clean the hand-held case as required using a
damp cloth.
Do not use cleaning agents. Only use clean
water to moisten the cloth.
1) Immerse the measuring head of the probe in a
cleaning solution such as n-heptane, 100–120 °C
boiling range petroleum ether or Stoddard Solvent
and swirl for approx. 30 seconds at ambient
temperature
2) Remove excess liquid and allow to air dry for
approx. 30 seconds.
Cleaning of the probe is recommended before
immersion in a different fluid and before a calibration.
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