User manual

2 SDL500-EU-EN-V1.0-8/11
Introduction
Congratulations on your purchase of the Extech SDL500 Hygro-Thermometer, an SD Logger Series
meter. This meter displays and stores Temperature and Relative Humidity readings from the
supplied probe and Temperature readings from an optional Type J or K Thermocouple probe. WET
BULB and DEW POINT temperature calculations can also be displayed. Logged data readings are
stored on an SD card for transfer to a PC. This meter is shipped fully tested and calibrated and, with
proper use, will provide years of reliable service.
Meter Description
1. Optional Thermocouple Input jack
2. Supplied Relative Humidity / Temperature Probe input jack
3. LCD Display
4. Power ON-OFF key
5. HOLD and Backlight key
6. MAX-MIN key
7. Up arrow ▲ key
8. SET and Clock key
9. Down arrow ▼ / FUNCTION key
10. ENTER and LOG key
11. PC interface jack
12. Reset Button
13. Power Adaptor jack
14. SD card slot
15. Temperature and Humidity sensors
Notes: Items 11 – 13 are located behind the snap-off compartment cover on meter’s right side.
Battery compartment, tilt stand, and tripod mount are located on the rear of the instrument