SW276 datasheet(21/22 Pages) EXTECH

21 / 22 page

V7.1 1/08

Battery Replacement

Follow these steps to remove and replace the battery:

1. Remove the four (4) rear Phillips-head screws

2. Ensure that the o-ring remains in its groove.

3. Remove the expired battery.

4. Insert a new battery (CR2) ensuring correct polarity.

5. Fasten the four rear screws.

Specifications

Display

3-digit multi-function LCD

Front panel status LEDs

Two (2): RECORD and ALARM

Temperature range

-40 to 185

oF (-40 to 85oC)

Temperature resolution

0.1

o up to 99.9o; 1o from 100o to 185o

Temperature accuracy

±1.2

oF (0.6oC) from -4 to 122oF (-20 to 50oC)

±2.4

oF (1.2oC) all other ranges

Humidity range & accuracy 0.0 to 99.9% Relative Humidity; Accuracy: ± 3%

Datalogger storage

16,000 temperature readings (8,000 temperature and 8,000

humidity readings on the 42270)

Sampling rate

Programmable from 1 second to 12hours

Power supply

One 3.6V ½ ‘AA’ lithium battery

Battery Life

1 year: 5 second sample rate in sleep mode

3.8 months: 24 hour sample rate in non-sleep mode

Low battery indicator

Display shows ‘LO’

Cable length

60’’ (150cm)

Operating Temperature

32 to 104

oF (0 to 40oC) (docking station)

Operating Humidity

10 to 80% RH (docking station)

Dimensions

4.9 x 3.6" (124 x 92mm)

SW276 Datasheet(PDF) 21 Page - Extech Instruments Corporation.

SW276 Datasheet(HTML) 21 Page - Extech Instruments Corporation.

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