General Tools DLM105HA User Manual
DIGITAL
LIGHT METER
TABLE OF CONTENTS
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1. FEATURES................................................................... 1
2. SPECIFICATIONS......................................................... 1
2-1 General Specifications............................................
2-2 Electrical Specifications..........................................
1
3
3. FRONT PANEL DESCRIPTION.......................................
3-1 Display................................................................. 4
3-2 Power Off/On Button.............................................4
3-3 Data Hold Button.................................................. 4
3-4 LUX/FC(Ft-cd) Button............................................ 4
3-5 LCD Contrast Adjust.............................................. 4
3-6 Memory "Record" Button....................................... 4
3-7 Memory "CALL" Button..........................................4
3-8 Light Source Select Button.....................................4
3-9 Zero Button.......................................................... 4
3-10 % Button(Relativity).............................................4
3-11 Range Switch.......................................................4
3-12 Light Sensor........................................................
3-13 Sensor Cover.......................................................
3-14 Light Sensor Plug................................................. 4
3-15 Light Sensor Input Socket.....................................4
3-16 RS-232 Output..................................................... 4
3-17 Battery Compartment/Cover.................................
4
4
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4. MEASURING PROCEDURE.............................................5
DDITIONAL FEATURES...............................................8
5.
6. RS232 PC SERIAL INTERFACE...................................... 8
7. BATTERY REPLACEMENT.............................................
10
1. FEATURES
2. SPEC
S
* Microprocessor circuit ensure high accuracy, and also
and also provides special functions and features.
* Super large LCD display with contrast adjustment for
best viewing angle.
* Dual function display.
* Heavy duty & compact case.
* Records Maximum, Minimum and Average readings.
* Data hold.
* Auto power off saves battery life.
* Operates from 9V battery.
* RS 232 PC serial interface.
* Spectrum of photo sensor meets C.I.E..
* Wide range measurement both for LUX & Foot Candle
units.
* Relative % light measurement.
* User selectable lighting type (Tungsten, Fluorescent,
Daylight or Mercury).
* Zero adjustment by push button.
IFICATION
2-1 General Specifications
Circuit Custom one-chip microprocessor LSI
circuit.
Display 13 mm(0.5") Super large LCD display with
contrast adjustment for best viewing angle.
Dual function display.
Lighting Type Daylight, Tungsten,
Selection Fluorescent, Mercury lamp.
1
Measurement LUX 0 - 50,000 LUX, 3 ranges.
& ranges Foot-candle 0 -5,000 Ft-cd, 3 ranges.
Relativity 0 to 1999 %.
(Relative to the range
selected and the measured
value)
Sensor The exclusive photo diode & color
correction filter, spectrum designed to meet
C. I. E.
Memory Records Maximum, Minimum and Average
Recall readings with RECALL facilities.
Sample Time Approx. 0.4 sec.
Zero Adj. By push button.
Power off Manual off by push button, or Auto shut off
after 10 minutes.
Data Output RS 232 PC serial interface.
Over Load "- - - -"
Indication
Operating 0 蚓 to 50 蚓(32 蚌 to 122 蚌).
Temperature
Operating Max. 80% RH.
Humidity
Power Supply 006P DC 9V battery(heavy duty)
or equivalent.
Power Current Approx. DC 5.3 mA.
Weight 335 g/0.77 LB (included batteries)
Size Main instrument:
180 x 72 x 32 mm(7.1 x 2.8 x1.3 inch).
Sensor probe:
85x55x12 mm(3.2x2.2x0.5 inch).
Accessories Instruction manual.
Sensor with protective cover.
2
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