levenhuk Ermenrich Wett TU20 Thermohygrometer User Manual

: June 1, 2024
: levenhuk

Table of Contents

Ermenrich Wett TU20 Thermohygrometer
**Getting started
**Display information
Usage
Specifications
Care and maintenance
Battery safety instructions
Ermenrich Warranty
Documents / Resources

Ermenrich Wett TU20
Thermohygrometer
User Manual

Ermenrich Wett TU20 Thermohygrometer

Protective cap
Temperature and humidity sensor
°C/°F button
DP/WB button (Dew point / Wet bulb temperature)
MAX/MIN button (Max./min. values)
H/ button (Data hold / Backlight)
Power button
Display

Please carefully read the safety instructions and the user manual before using this product. Use the device only as specified in the user manual. Keep away from children.
The kit includes: thermohygrometer, user manual, and warranty card.

**Getting started

**

Unscrew the battery compartment cover screws and remove the cover.
Insert 3 AAA batteries, ensuring to observe the correct polarity.
Replace the battery compartment cover and tighten the screws.
Press the Power button (7) to turn the device on or off.

**Display information

**

levenhuk Ermenrich Wett TU20 Thermohygrometer - Display
information

Auto-off function
Data hold
Maximum values
Minimum values
Low battery
Ambient temperature
Relative humidity
Dew point / Wet bulb temperature
Wet bulb
Dew point

Usage

Attention! If the device gets moved, it is necessary to wait for the readings to stabilize.

Remove the protective cap (1).
After turning the power on, the LCD screen will display the ambient temperature, relative humidity, dew point temperature or wet bulb temperature. The screen shows the corresponding icons for the selected measurement mode or function.
Press the °C/°F button (3) to switch between °C and °F.
Press the DP/WB button (4) to switch between displaying dew point temperature (DP icon on screen) and wet bulb temperature (WB icon on screen).
Press the MAX/MIN button (5) to enter extreme temperature and humidity values mode. The MAX icon (3) will light up on the screen and it will show the maximum temperature and humidity values for the current measurement session. Press the MAX/MIN button (5) again to display the minimum temperature and humidity values (MIN icon on the screen). To exit to normal mode, press the MAX/MIN button (5) and hold it for 2 seconds.
Press the H/ button (6) to activate data hold mode (Н icon on the screen). The device will display the last recorded values. Press again to return to measurements.
The device turns off automatically after 30 minutes of inactivity. The function is enabled by default (the icon on the screen). To cancel, hold down the H/ button (6) while turning on the power. To restore the function, turn the device off and on again.
Press and hold the H/ button (6) for more than 2 seconds to turn the backlight on or off.

Specifications

Temperature, range	–20… +60°C (–4… 140°F)
Temperature, accuracy	0… +45°C: ±1.0°C

other: ±1.5°C
Humidity, range| 0–99.9%
Humidity, accuracy| 20–80%: ±3.0% RH
other: ±4.0% RH
Wet bulb temperature, range| –20… +60°C (–4… 140°F)
Wet bulb temperature, accuracy| 0… +45°C: ±1.0°C
other: ±1.5°C
Dew point temperature, range| –50… +60°C (–58… 140°F)
Dew point temperature, accuracy| 0… +45°C: ±1.0°C
other: ±1.5°C
Power supply| 3pcs alkaline AAA batteries (1.5V)
Safety ratings| EN61326-1

The manufacturer reserves the right to make changes to the product range and specifications without prior notice.

Care and maintenance

Do not use the device if it is damaged or does not operate properly. Replace the battery as soon as the low battery indicator lights up. Do not use solvent to clean the device. Protect the device from sudden impact and excessive mechanical force. Never attempt to operate a damaged device or a device with damaged electrical parts! Only use accessories and spare parts for this device that comply with the technical specifications. If a part of the device or battery is swallowed, seek medical attention immediately. Keep away from children.

Battery safety instructions

Always purchase the correct size and grade of battery most suitable for the intended use. Always replace the whole set of batteries at one time; taking care not to mix old and new ones, or batteries of different types. Clean the battery contacts and also those of the device prior to battery installation. Make sure the batteries are installed correctly with regard to polarity (+ and –). Remove batteries from equipment that is not to be used for an extended period of time. Remove used batteries promptly. Never short-circuit batteries as this may lead to high temperatures, leakage, or explosion. Never heat batteries in order to revive them. Do not disassemble batteries. Remember to switch off device after use. Keep batteries out of the reach of children, to avoid risk of ingestion, suffocation, or poisoning. Utilize used batteries as prescribed by your country’s laws.

Ermenrich Warranty

Ermenrich products, except for their accessories, carry a 5-year warranty against defects in materials and workmanship. All Ermenrich accessories are warranted to be free of defects in materials and workmanship for six months from the purchase date. The warranty entitles you to the free repair or replacement of the Ermenrich product in any country where a Levenhuk office is located if all the warranty conditions are met.
For further details, please visit: levenhuk.com/warranty
If warranty problems arise, or if you need assistance in using your product, contact the local Levenhuk branch.

Levenhuk Inc. (USA): 928 E 124th Ave. Ste D, Tampa, FL 33612,
USA, +1-813-468-3001, contact_us@levenhuk.com
Levenhuk Optics s.r.o. (Europe): V Chotejně 700/7, 102 00 Prague 102,
Czech Republic, +420 737-004-919,sales-info@levenhuk.cz
Levenhuk®, Ermenrich® are registered trademarks of Levenhuk Optics s.r.o. (Europe).
© 2006–2024 Levenhuk, Inc. All rights reserved.
ermenrich.com
20240508

Documents / Resources

| levenhuk Ermenrich Wett TU20 Thermohygrometer [pdf] User Manual
TU20, Ermenrich Wett TU20 Thermohygrometer, Ermenrich Wett, TU20 Thermohygrometer, Thermohygrometer
---|---