humimeter RH2 aW value measuring chamber user manual
Page 48
CAUTION
Risk of injury
Lacerations caused by breaking the ampoules during removal.
► Remove the ampoules from the packaging by their base, as shown in
picture 66.
► Avoid putting stress on the predetermined breaking point, as shown in
picture 67.
ATTENTION
Damage to or destruction of the sensor
The sensor can be damaged by tilting or turning over the water activity measu-
ring chamber with the textile pad inside.
► Make sure to only lift the water activity measuring chamber straight up
into the air.
12.2 Determining the deviation
1. Let the sensor adjust to the humidity standard for at least 2 hours.
2. Switch on the device (see "4.1 Switching on the device") and select the product
type "relativ Humidity" by pressing
or (see "4.2 Selecting the product
type").
3. Then note down the measured relative humidity and temperature.
4. At ideal temperature conditions (device, water activity measuring chamber and
humidity standard have a temperature of 23 °C), the value printed on the humi-
dity standard can be used as reference value.
5. In case of deviation from the factory temperature (23.0 °C), the real humidity
value must first be determined according to the table below.
66
67
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