NTI MINI-SPL Specifications

Technical Specification

MiniSPL - Measuring Microphone
updated June 2004

Microphone Type 1/2”, omni-directional,

pre-polarized condenser,
free field transducer

Sensitivity (20 ±2) mV/Pa,

(-34 ±1) dBV/Pa @ 1 kHz, 20°C
+0.05 dB
balanced out

Frequency Response

Class 2 acc. to IEC61672,
tolerance curve is shown on the
individual calibration certificate

SPL

/ °C,

MiniSPL

Peak Acoustic Input

130 dB

Noise 32 dB
Load Conditions 20 kOhm - 200 kOhm balanced,

to achieve this always switch
PHANTOM POWER off.

Power Supply 1x AA battery 1.5 V,

battery lifetime typical 300 hrs,
no phantom power supply,
phantom power resistant

Dimensions ∅ 22 x 180 mm, ∅ 0.87” x 7”
Weight 100 g ( 3.5 oz ) incl. battery
Temperature 0° to +45° C (32° to 113° F)
Humidity < 90 % R.H., non condensing

Conforms to the
Normative Standards

EMC-Directives: 89/336, 92/31, 93/68
Harmonized Standards: EN 61326-1

@ 1 kHz

SPL

, A-weighted

SPL

Contact details:

NTI AG
Im alten Riet 102
9494 Schaan
Liechtenstein
Tel. +423 - 239 60 60
Fax. +423 - 239 60 89
[e-mail]
www.minstrument s.com

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