Specifications - Extech Instruments 407355 User Manual

Specifications

Display
Units of measure
Measurement ranges
Standards applied
Criterion level
Threshold level
Exchange rate
High level detector
Peak flag
Accuracy
Frequency weighting
Frequency response
Response time
Datalogging capacity
Operating Temperature
Operating Humidity
Storage Temperature
Storage Humidity
Battery power
Battery life
Dimensions
Weight
Descriptions
Display Description
1. FAST Response Time mode
2. SLOW Response Time mode
3. Noise Exposure test active
4. Memory mode alert
5. Noise Exposure test paused
6. Unit of measure for Noise Exposure test
7. Battery Status Indicator
8. Event memory banks (E1-E5)
9. 115dB limit (headphone) indicator
10. Numerical display digits
11. Unit of measure for sound level readings
12. 140dB PEAK indicator
13. Elapsed time mode for noise exposure tests
Multi-function LCD
dBA ('A' weighted decibels) for sound level
% DOSE for accumulated noise exposure
70 to 140dBA for sound level (SPL) measurements
0.01 to 9999 %DOSE for noise exposure surveys
ANSI S1.25-1991 A-weighting; ISO-1999; BS 6402: 1983
80, 84, 85, and 90dB (selectable)
70 to 90dB in 1dB steps (selectable)
3, 4, 5, and 6dB (selectable)
appears on LCD when measurement exceeds 115dBA
PK appears on LCD when measurement exceeds 140dBA
±1.5dB
'A' weighting
31.5Hz to 8 kHz
F (FAST) and S (SLOW) selectable
8800 sets
o o
32 to 122 F (0 to 50 C)
10 to 90% RH
o o
14 to 140 F (-10 to 60
10 to 75% RH
Four (4) 1.5V 'AAA' batteries
40 hours (approx.)
4.2 (L) x 2.4 (W) x 1.3 (H)"
106 (L) x 60 (W) x 34 (H) mm
Approx. 12.3 oz. (350g) with batteries
3
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407355 Version 2.4 9/07