Specifications - Velleman DVM321 Bedienungsanleitung

DVM321 – DIGITAL HUMIDITY & TEMPERATURE METER
1. Introduction
To all residents of the European Union
Important environmental information about this product
This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm
the environment.
Do not dispose of the unit (or batteries) as unsorted municipal waste; it should be taken to a specialized
company for recycling.
This device should be returned to your distributor or to a local recycling service.
Respect the local environmental rules.
If in doubt, contact your local waste disposal authorities.
Thank you for buying the DVM321. Read this manual carefully before bringing it into service.

2. Specifications

Display ....................................LCD with backlight
Sensor type:
Humidity................................precision capacitance sensor
Temperature .........................thermistor (head) and type K thermocouple
Measurement Range:
Humidity................................0%RH ~ 100%RH
Temperature .........................-20°C ~ 60°C (-4 ~ 140°F)
Accuracy:
Range 5% ~95% RH.............± 3.5% RH (at 23°C ± 5°)
Range -20°C ~ 60°C ............± 2.5°C
Range -4°F ~ 140°F.............± 3.5°F
Response time ........................180s
Sample rate.............................2.5 times per second
Polarity ....................................automatic, with negative polarity indication (-)
Overload.................................."OL" indication
Resolution ...............................0.1% RH, 0.1°C / 0.1°F
Operating conditions ...............0°C ~50°C (32-122°F) ; < 80% RH non-condensing
Storage conditions...................-10°C ~60°C (14-140°F) ; < 80% RH non-condensing
Auto power off .........................DVM321 shuts down after approx. 15 minutes of inactivity
Battery.....................................9V battery
3. Parts & Keys
1. Measurement head
2. LCD display with %RH, °F and °C indications,
low battery indication ("BAT" + icon), MIN/MAX + HOLD indications
3. MAX/MIN/DATA HOLD key: press short to switch between MIN, MAX and
normal recording. Hold the button for 2 seconds to switch DATA HOLD on or off.
4. %RH, °C, °F function switch key
5. ON/OFF key
6. Backlight button (switch backlight on/off)
7. Battery compartment
DVM321
3
VELLEMAN