Techno Line WS 9119 User guide

Instruction Manual Model WS 9119
Digital Thermo-Hygrometer with Comfort Index

Buttons

F
C
MIN
MAX
RESET (back)

Installation

1. Slide open the battery cover at the back of your unit.

2. Insert 2 x AAA batteries into the battery compartment by observing the
correct + / - polarity signs inside the battery compartment.

3. Replace the battery cover. After few seconds the unit is ready to work for you.

To Select degree C or degree F Temperature Readout

Press C or F button to view the temperature in degree C or degree F.

To Read the Maximum-Minimum Temperature Records

Press MAX or MIN once to view the maximum or minimum temperature and humidity.
When the maximum temperature and humidity are displayed, press and hold the MAX

will clear the maximums and the unit will start to record and display fresh data again.
When the minimum temperature and humidity are displayed, press and hold the MIN will

clear the minimums and the unit will start to record and display fresh data again.

To View the Temperature, Humidity and Comfort Index

This thermo-hygrometer is equipped with an easy-to-read index of temperature, humidity
and the comfort level (which is a combination of temperature and
good and quick indication of how you feel like in the ambient environment.

1. Temperature

5 points 31°C – 45°C
4 points 27°C - 30.9°C
3 points 19°C - 26.9°C
2 points 13°C - 18.9°C
1 point 0°C - 12.9°C

humidity). It gives a

2. Relative Humidity

5 points 79% - 95%
4 points 66% - 78%
3 points 50% - 65%
2 points 36% - 49%
1 point 20% - 35%

3. Comfort Index

5 bars RH% at 46% - 60% range
4 bars RH% at 41% - 45% or 61% - 65% range
3 bars RH% at 36% - 40% or 66% - 70% range
2 bars RH% at 31% - 35% or 71% - 75% range
1 bar RH% at 25% - 30% or 76% - 80% range
no bar RH% below 25% or above 81%

Remarks:
This device is designed for indoor use. The comfort index is only related to the indoor

relative humidity change assuming the indoor temperature is normal at 18°C to 24°C.
The comfort index will become less relevant when the indoor temperature goes out of
that indoor temperature range.

TROUBLE SHOOTING

In case your thermo-hygrometer shows irrelevant information or digits, it maybe affected
by electrostatic discharge or interferences from other devices. press the RESET button
on the back of your unit. Your unit will be reset and starts to measure fresh temperature
and humidity data again.

Remark : if you observe a Low Battery icon on the lower right LCD, which means your
thermo-hygrometer is at low battery level, take out the batteries and replace with fresh
ones.

CARE OF YOUR THERMO-HYGROMETER

1. Do not expose the unit to extreme temperature, water or direct sunlight

2. Avoid contact with any corrosive materials

3. Do not subject the unit to excessive force, dust or humidity

4. Do not open the inner back case or tamper with any components of this unit

SPECIFICATIONS

Indoor Temp. Range 0°C to 45°C (+32°F to +122°F)
Relative Humidity Range 20% - 95%
Out of Range Display

Temperature : out f range HH.H / LL.L
Humidity : below 20% keeps showing 20%, over 95% keeps showing 95%

Temperature Resolution 0.1°C
RH% Resolution 1%