Extech 401036 Operating Manual

User's Guide

Datalogging Light Meter

with PC Interface

Model 401036

Warranty

EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects

in parts and workmanship for one year from date of shipment (a six month limited warranty
applies to sensors and cables). If it should become necessary to return the instrument for
service during or beyond the warranty period, contact the Customer Service Department at
[phone] ext. 210 for authorization or visit our website www.extech.com for contact
information. A Return Authorization (RA) number must be issued before any product is
returned to Extech. The sender is responsible for shipping charges, freight, insurance and
proper packaging to prevent damage in transit. This warranty does not apply to defects
resulting from action of the user such as misuse, improper wiring, operation outside of
specification, improper maintenance or repair, or unauthorized modification. Extech
specifically disclaims any implied warranties or merchantability or fitness for a specific
purpose and will not be liable for any direct, indirect, incidental or consequential damages.
Extech's total liability is limited to repair or replacement of the product. The warranty set
forth above is inclusive and no other warranty, whether written or oral, is expressed or
implied.

Introduction

Congratulations on your purchase of the Extech 401036 Datalogging Light Meter. This
device measures light intensity to 20,000 Foot-candles (Fc) or Lux. 16,000 measurement
readings can be logged by the meter and later transferred to PC using the RS-232
interface. Real-time meter/PC logging is also supported. Careful use of this meter will
provide years of reliable service.

Specifications

Display 3 ½ digit (2000 count) multifunction LCD display

Sensor

Ranges / Resolution 19.99, 199.9, 1999, and 1999 x 10 Fc and Lux

Accuracy ± (3% reading + 5 digits)

Repeatability ± 2%

Datalogger memory 16,000 readings max.

PC Interface RS-232C Serial Communications at 9600 bps

Range status indication 'OL' is displayed for measurement exceeding published limits

Sampling time 2.5 readings per second

Power Supply 9V battery (display includes low battery indicator);

Operating temperature 32 to 104oF (0 to 40oC)

Operating Humidity < 80% RH

Weight 9.6 oz. (300g)

Dimensions Meter: 5.7 x 2.8 x 1.5" (146 x 70 x 39mm);

Accessories Carrying case, WindowsTM software, PC Interface cable, &

Silicon Photo-diode meets C.I.E. photopic curve V (

50 hour typical battery life

Probe: 3.4 x 2.4 x 1.1" (87.5 x 60 x 29mm)

9V battery

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Model 401036 Version 3.1 9/07 2