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ENVIRONMENTAL MONITOR & DATA LOGGER
Type LSE764
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Replaces 4 separate instruments
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Ultra Violet (UV) level
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Visible Light (Lux or Foot-candles)
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% Relative Humidity
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Dew point
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Temperature (°C or °F)
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Sized like a small mobile phone
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Easy one handed operation
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Large, easy to read display
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Maximum & minimum with time
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Optional data logging
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Selected by the Design Council as a Millenium Product
SPECIFICATIONS
Method of radiation detection
Twin silicon photodiodes connected to single chip microprocessor
Visible wavelength range
400-700nM (CIE response). No correction required for different light sources
Visible power range
0.1 - 200,000 Lux (0.1 – 20,000 Foot-candles)
UV wavelength range
300-400 nM
UV power range
2 - 50,000 mW/sqM
UV proportion range
0 - 10,000 mW/Lumen
RH sensor
Capacititive film type
RH range
0-100%RH
Display resolution
Lux: 0.1 up to 100 then 1
Foot-candles: 0.1 up to 100 then 1
UV: 0.1 up to 100 then 1
Proportion of UV: 1 mW/Lumen
Temperature: 0.1° C or ° F
RH: 0.1
Accuracy
Light: 5% ± 1 displayed digit
UV: 15% ± 1 displayed digit
Temperature: ± 0.5° C (± 0.9° F)
RH: ± 2.5%
Angular response (Light & UV)
Cosine
Readout
8 line graphical Liquid Crystal Display with automatic backlight
Data logging time intervals
(Time till full)
10 seconds (30 hours), 1 minute (7½ days) , 10 minutes (75 days), 1 hour (454 days)
Data logging storage capacity
10,900 readings of all 4 parameters
Storage resolution for logged data Light & UV: 0.1% of saved value
Temperature: 0.5°C
Humidity: 0.5%RH
Computer Interface
IrDA compatible wireless infrared link
Date function
Display as day-month-year or month-day-year. Fully Year 2000 compliant
Batteries
2 off alkaline AA type
Battery Life
Approx 100 Hours continuous use or 12,000 readings taking 30 seconds each.
Battery life will be less if the display backlight is used
External Power Supply
(If available)
4.0-5.2V DC, 100mA A suitable mains power supply can be provided as an optional extra (please specify mains voltage required).
Operating Temperature
0-50°
Dimensions
150 x 65 x 25mm 5.9 x 2.5 x 1 inches Including RH/Temperature probe
Weight
165g (5.6 oz) with batteries.
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