Model 401036 Version 3.1 9/07
2
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
(781) 890-7440 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
Silicon Photo-diode meets C.I.E. photopic curve V (
λ
)
Ranges / Resolution
19.99, 199.9, 1999, and 1999 x 10 Fc and Lux
Accuracy
± (3% r 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);
50 hour typical battery life
Operating temperature
32 to 104
o
F (0 to 40
o
C)
Operating Humidity
< 80% RH
Weight
9.6 oz. (300g)
Dimensions
Meter: 5.7 x 2.8 x 1.5" (146 x 70 x 39mm);
Probe: 3.4 x 2.4 x 1.1" (87.5 x 60 x 29mm)
Accessories
Carrying case, Windows
TM
software, PC Interface cable, &
9V battery
