Extech 407026 Heavy Duty Light Meter

The Extech Heavy Duty Light Meter enhances accuracy by selecting one of four lighting types to display in foot candles or lux.

Features

  • Four lighting types
  • Cosine and color corrected measurements
  • Other functions include "ZERO" re-calibration, Data Hold, & MAX/MIN/AVG readings
Starting At $224.00
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Overview
The Extech Heavy Duty Light Meter enhances accuracy by selecting one of four lighting types: tungsten/daylight, fluorescent, sodium, or mercury. The meter utilizes a precision diode and color correction filter and adjusts for cosine and color-corrected measurements. The microprocessor assures maximum accuracy through an Fc range of 200.0, 2000, and 5000Fc and a lux range of 2000, 20,000, and 50,000 lux.

Data Storage
The built-in RS232 serial interface provides a connection with the optional Windows Data Acquisition Software, which enables users to display and capture readings on a PC and set time intervals and alarms. The battery-operated datalogger module stores over 8000 readings for later transfer to a PC.

  • Circuit: custom one-chip LSI microprocessor circuit
  • Display: 3.5 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, & Mercury
  • Sensor structure: cosine/color corrected photo-diode meets CIE
  • 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
  • Operating conditions: 32 to 122F (0 to 50C),< 80% RH
  • Power supply: 9 V battery
  • Power consumption: approx. 5 mA DC (approx. 200hr battery life)
  • 2,000 LUX range: 0-1,999 LUX display, 1 LUX resolution
  • 20,000 LUX range: 1,800-19,990 LUX display, 10 LUX resolution
  • 50,000 LUX range: 18,000-50,000 LUX display, 100 LUX resolution
  • 200 FC range: 0-186.0 FC display, 0.1 FC resolution
  • 2,000 FC range: 167-1,860 FC display, 1 FC resolution
  • 5,000 FC range: 1,670-5,000 FC display, 10 FC resolution
  • Relative mode: range: 0-1999%, resolution: 1%
  • Accuracy: +/-(4% + 2 digits) of full scale (applies to a calibration performed using a precision standard incandescent tungsten light source of 2856K with a meter on the tungsten setting.)
  • Dimensions: instrument: 7.1"x2.8"x1.3" (180x72x32mm), sensor: 3.3"x2.2"x0.7" (85x55x17.5mm)
  • Weight: 0.71 lbs. (320g)
  • Warranty: 3 years
  • (1) Light meter
  • (1) 9 V battery
  • (1) Light sensor
  • (1) Protective cover with 46" (1.2m) cable
  • (1) Protective holster with stand
Questions & Answers
Is the Extech 407026 Heavy Duty Light Meter calibrated before shipment, and does it come with a calibration certificate?
Yes. The Extech 407026 Heavy Duty Light Meter is factory-calibrated; a calibration certificate can be requested when the order is placed.
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Extech 407026 Heavy Duty Light Meter
407026
Heavy duty light meter with PC interface
$224.00
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Extech
407026-NIST
Heavy duty light meter with PC interface, NIST traceable
$419.00
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