Input Interface - Extech Instruments SL400 User Manual

Microphone

Diameter: ½ inch

Polarization voltage: 0V

Dynamic range: 25 dB ~ 140dB

Sensitivity: ‐32 ± 3 dB (250Hz 0dB = 1V/Pa)

Free field frequency response: ±2dB (25Hz ~ 12.5kHz)
Frequency (kHz)
Input Interface
The front is PLT83RFR, the signal input receptacle
1. GND
2. Power (+)
3. N.C.
4. Power (-)
Environmental
Environmental conditions: temperature 23°C ± 5°C (73.4°F ± 9°F), relative humidity < 80%.
˙ For inside use, max altitude 2000m (6562 ft.)
˙ Reference temperature
˙ Operating temperature
˙ Operating humidity
˙ Storage temperature
˙ Storage humidity
EMC
This instrument was designed in accordance with EMC Standards in force and its compatibility has
been tested in accordance with EN61326‐2 (2006).
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Pressure deviation
0.25
1
2
3
4
5
6
7
8
9
10
12.5
Copyright © 2016 FLIR Systems, Inc.
All rights reserved including the right of reproduction in whole or in part in any form
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0.0
‐0.1
‐0.5
‐0.6
‐0.9
‐1.2
‐1.7
‐2.2
‐2.8
‐3.3
‐4.1
‐6.0
23° ± 5°C (73.4°F ± 9°F)
5 ~ 40 °C (41 ~ 104°F)
<80% RH
‐10 ~ 60 °C (14 ~ 140 °F)
<70%
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