Extech Instruments 407026, Руководство пользователя, Страница: 2 / 6

407026-EU-EN v2.6 3/14 2
Introduction
Congratulations on your purchase of the Extech Heavy Duty Light Meter. This light meter offers
selectable lighting types, data record/recall, relative display mode, and PC interface. This
professional meter, with proper care, will provide years of safe reliable service.
Specifications
General Specifications
Circuit Custom one-chip LSI microprocessor circuit
Display 3-1/2 digit (2000 count) LCD display with contrast adjustment
Measurement ranges LUX: 0 to 50,000 LUX (3 range); Fc: 0 to 5000 Fc (3 range);
Relative mode: 0 to 1999%
Data Hold Freezes displayed reading
Lighting Types Sodium, Daylight/Tungsten, Fluorescent and Mercury
Sensor Structure Cosine/color corrected photo-diode meets C.I.E.
Memory Store/Recall Records/Recalls Max/Min/Avg readings
Sample rate 0.4 seconds (approx.) per reading
Zero Adjust Push-button procedure
Auto Power Off After approx. 10 minutes
Data Output RS-232 PC serial interface (optional software/cable PN 407001)
Operating conditions 0 °C to 50 °C (32 °F to 122 °F); <80% RH
Power Supply 9V battery
Power consumption Approx. 5 mA DC. (approx. 200 hr battery life)
Weight 320 g (0.71 lbs.)
Dimensions Instrument: 180 x 72 x 32 mm (7.1 x 2.8 x1.3")
Sensor: 85 x 55 x 17.5 mm (3.3 x 2.2 x 0.7")
Range Specifications
Measurement Range Display Resolution Accuracy
LUX 2,000 LUX 0-1,999 LUX 1 LUX ± (4% + 2 digits)
of full scale
20,000 LUX 1,800-19,990 LUX 10 LUX
50,000 LUX 18,000-50,000 LUX 100 LUX
Foot Candles 200 Fc 0-186.0 Fc 0.1 Fc
2,000 Fc 167-1,860 Fc 1 Fc
5,000 Fc 1,670-5,000 Fc 10 Fc
Relative mode 0-1999% 1%
Note: The accuracy specification above applies to calibration performed using a precision standard
incandescent tungsten light source of 2856
O
K with meter on the tungsten setting.