Sper Scientific 840022 Light Meter Advanced User Manual
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SPECIFICATIONS
Display
Large 2” x 1.5” (52 mm x 38 mm), 5 digit
display with bar graph indicator.
Out of Range Indicator
"- - - -" appears at the top of the display for
over-range, or at the bottom of the display for
under-range.
Operating Environment 32 ~ 122°F (0 ~ 50°C), Less than 80% RH
Weight
9.9 oz (280g)
Dimensions
Main Unit: 7.9 x 2.7 x 1.2" (200 x 68 x 30mm)
Sensor: 3.2 x 2.2 x 0.3" (82 x 55 x 7mm)
Sensor Lead: Extends to appx. 3½ ft
Optional Accessories
840057 - RS232 Cable
840094 - RS232 to USB Adaptor Cable
840090 - Water Resistant Instrument Pouch
840092 - Bench-Top Tripod
840093 - Field Tripod
850080 - Software
The 16 digits data stream will be displayed in the following format:
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Each digit indicates the following status:
D0
End Word
D1 & D8
Display reading, D1 = LSD, D8 = MSD
E.g: If the display reading is 1234, then D8 to D1 is:
00001234
D9
Decimal Point (DP), position from right to the left
0 = No DP, 1= 1 DP, 2 = 2 DP, 3 = 3 DP
D10
0 = Positive 1 = Negative
D11 & D12
Annunciator for Display
Lux = 15, Ft-cd = 16
D13
The upper display data = 1, The lower display data = 2
D14
4
D15
Start Word
RS232: 9600, N, 8, 1