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Environmental Testing Equipment 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)
Parameters Measured: Air temperature, relative humidity (R.H.), air speed, light level
For air speed: 0.4 to 25 m/sec, 1.4 to 90 km/hr, 0.9 to 55.9 mph, 0.8 to 48.6 knots, 80 to 4930 ft/min
For temperature: 32° to 122°F (0 to 50°C); for R.H., 10 to 95%
For light level: 0 to 20,000 lux, 0 to 1860 ft-cd
For air speed: ± (2% + 0.2 m/sec), ± (2% + 0.8 km/hr), ± (2% + 0.4 mph), ± (2% + 0.4 knots), ± (2% + 40 ft/min)
For temperature: 1.5°F (± 0.8°C)
For humidity: ± (3% of reading + 1%) for R.H. values ≥70%; ± 3% of reading for R.H values < 70%
For light level: ± ( 5% of reading ± 8 digits)
For air speed: 0.1 m/sec, 0.1 km/hr, 0.1 mph, 0.1 knots, 1.0 ft/min
For temperature: 0.1 °F or °C
For humidity: 0.1% of reading For light level: 1 lux, 0.1 ft-cd
Data Logging Sampling Time: 1 second to 1 hour
Settable Parameters: Date, time, auto power off, beep sound, sampling time, decimal point or comma decimal division, temperature unit, air speed unit, light level unit, optional thermocouple type (K or J)
Storable/Recallable Readings: Maximum, minimum
SD Card Capacity: 1 GB to 16 GB
Operating Temperature: 32° to 122°F (0° to 50°C)
Operating Relative Humidity: 0 to 85%
Power Supply: Six Alkaline “AA” batteries or optional
9-VDC AC adapter (AC1
3.5 mADC (normal operation, with backlight off and SD card not saving data)
28 mADC with backlight on and card saving data
40 mADC with backlight on and card saving data
Dimensions of Meter: 5.31 x 2.36 x 1.30 in. (135 x 60 x 33mm)
Weight of Meter: 1.13 lb. (515g)
Dimensions of Probe: 4.13 x 1.81 x 1.14 in. (105 x 46 x 29mm)
One Year Limited Manufacture's Warranty
Why Excel-formatted SD cards are a breakthrough in data logging technology:
No muss. Unlike data loggers that use an RS-232 interface, General’s SD card instruments don’t require the end user to buy, stock and connect cables.
No fuss. They also don’t require the user to add multiple jumpers between cable connectors to set up a serial communications link via RS-232. Adding even one jumper takes time and makes connections prone to failure.
No software. General’s SD instruments don’t even need software. The automatically store the data they capture in a format readable by Microscoft’s Excel spreadsheet program. Any computer equipped with Excel will automatically display – as a table or graph – the data logs on an SD card inserted into it.
No limits. SD cards are now available in capacities up to 32 GB. They’re not just a high-capacity storage medium, but a removable one as well. And because they’re solid-state, SD cards are inherently more reliable than rotating electromagnetic media like CD’s or DVD’s.
No waste. Because the SD cards are removable, they’re portable. Once you’re done uploading the data logs on an SD card to your computer, you can erase the card and use it again – with the same SD card instrument or a different one.