Installation Guide

Specifications:
Embedded Microcontroller: Custom one-chip LSI device
Display Type: LCD with green backlight
Display Size: 2.05 x 1.5 in. (52 x 38mm)
Full-Scale Ranges:
• 0 to 1,999 lux (0 to 186 ft-cd)
• 1,800 to 19,990 lux (167 to 1,860 ft-cd)
• 18,000 to 99,900 lux (1,670 to 9,290.7 ft-cd)
Measurement Accuracy:
• ± 4% of full-scale reading + 2 digits for all lux readings
and ft-cd readings at 200 ft-cd full-scale (f.s.)
• ± 4% of f.s. reading + 2 ft-cd at 2,000 ft-cd f.s.
• ± 4% of f.s. reading + 20 ft-cd at 20,000 ft-cd f.s.
Measurement Resolution:
• 1 lux at 2,000 lux f.s.
• 10 lux at 20,000 lux f.s.
• 100 lux at 100,000 lux f.s.
• 0.1 ft-cd at 200 ft-cd f.s.
• 1 ft-cd at 2,000 ft-cd f.s.
• 10 ft-cd at 10,000 ft-cd f.s.
Storable/Recallable Readings: Maximum, minimum
Data Logging Sampling Time: 1 second to 1 hour
SD Card Capacity: 1 GB to 16 GB
Settable Parameters: Date, time, auto power off, beep sound,
temperature unit (
°F or °C), sampling
time, thermocouple type (K or J),
decimal point or comma
Operating Temperature: 32° to 122°F (0° to 50°C)
Operating Relative Humidity: 0 to 85%
Power Consumption:
• 6.5 mADC (normal operation, with backlight off
and SD card not saving data)
• 30 mADC with backlight on
Dimensions of Meter:
6.97 x 2.68 x 1.77 in. (177 x 68 x 45mm)
Weight of Meter: 1.08 lb. (489g)
Power Source:
Six “AA” batteries or optional 9-VDC AC adapter
Light Meter
with Excel-Formatted Data Logging SD Card
General Tools & Instruments
80 White Street, New York, NY 10013-3567
TEL: [phone] TOLL FREE: 800. 697. 8665
[e-mail] www.generaltools.com
• Hard carrying case
• Light probe with protective cover
(General P/N P112SD)
• 2 GB SD memory card
• User’s manual
Optional Accessories:
• 9VDC adapter for 110V power supply
(General P/N AC1)
• “K” Type thermocouples
General P/N TPK500 (-50
° to 500°F)
General P/N TPK05 (-40
° to 562°F)
General P/N TPK03 (-40
° to 950°F)
• SDRD1 - SD Card Reader
Included Accessories:
16
No. DLM112SD
• Includes light probe
• Measures light intensity within three automatically switched full-scale ranges: 2,000 lux,
20,000 lux and 100,000 lux (200 ft-cd, 2,000 ft-cd and 10,000 ft-cd)
• Selectable lux or foot-candle units
• Displays maximum and minimum readings
• Performs real-time automatic data logging at sampling time settable from 1 second to 1 hour
• Also supports manual logging and changing of card storage location
• Big (2.5 diagonal) front-panel green backlit LCD is easy to read
• Auto power off function
Features: