Meter Description - Extech Instruments SDL400 User Manual

Introduction
Congratulations on your purchase of the Extech SDL400 Light Meter. This meter displays and
stores light meter readings in three ranges: 2,000 / 20,000 / 100,000 LUX or Foot candles from the
supplied domed light sensor. The meter automatically ranges light meter measurements and the
light sensor spectrum meets C.I.E.
This meter also displays and logs temperature readings from a connected Type J or Type K
thermocouple.
Logged data readings are stored on an SD card for transfer to a PC. This device is shipped fully
tested and calibrated and, with proper use, will provide years of reliable service. Please visit the
Extech Instruments website (www.extech.com) to check for the latest version of this User Guide.
Safety
International Safety Symbols
This symbol, adjacent to another symbol or terminal, indicates the user must refer to the
manual for further information.

Meter Description

1. Temperature (thermocouple) input jack
2. Light Meter Sensor input plug
3. Measurement reading
4. Temperature units of measure
5. HOLD and Backlight key
6. MAX-MIN key
7. SET and Clock
8. PC interface jack
9. Reset button
10. Power Adaptor jack
11. SD card slot
12. ENTER and LOG key
13. Down arrow ▼ / FUNCTION / ZERO key
14. Up arrow ▲ / UNIT / ZERO key
15. Power ON-OFF
16. Thermocouple type or Light measurement unit of measure
17. Light Sensor dome
Notes:
Items 8, 9, and 10 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.
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