Specifications; General Specifications; Measurement Specifications; Environmental Specifications - Extech Instruments SL250W User Manual

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Specifications

7.1 General Specifications

Display
Over range indication
Low battery indication
Reading update rate
Microphone type
Meter power
Dimensions
Weight

7.2 Measurement Specifications

Accuracy specifications apply for the following conditions:
Temperature: 73.4℉ ± 9℉ (23℃ ± 5℃); Relative Humidity: < 90 %
Temperature coefficient: 0.1 x accuracy /℃
Measurement range
Display resolution
Measurement accuracy
Frequency Response

7.3 Environmental Specifications

For indoor use only
Altitude
Pollution degree
Operating conditions
Storage conditions
Drop-proof rating
#NAS100077; r. AA/78958/78963; en-US
4 digit (9999) backlit multifunction LCD
OL is displayed when measurements are above the specified
measurement range. UN is displayed when sounds are below
the specified range.
Battery symbol appears when batteries are low
Fast mode: One reading every 125 ms
Slow mode: One reading per second
Condenser 1.3 cm (0.5 in.)
Three (3) 1.5 V (AAA) batteries
6.1 x 2.2 x 1.1 in. (154 x 55 x 28 mm)
4.1 oz. (116 g)
30 to 130 dB (A weighted)
0.1 dB
± 1.5 dB
31.5 Hz to 8 kHz
6562 ft. (2000 m) maximum
2
32 to 104℉ (0 to 40℃); < 80% RH
–4 to 140℉ (-20 to 60℃); < 80% RH
3.3 ft. (1 m)
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