NTI MiniSPL User Manual

The MiniSPL is a portable, accurate sound pressure level (SPL) measurement microphone with a measurement range of 20 Hz to 120 kHz and accuracy of ±0.5 dB, featuring built-in calibration and measurement software.


NTI MiniSPL User Manual - cover page
Brand
NTI
Category
Audio Codec
Document type
User Manual
Language
English
Pages
2
File format
PDF
File size
75 KB
Published
10 May, 2012
Updated
30 September, 2023
MD5 checksum
F8DFF359BA3F099E372318A79F4C1575

About this manual

The MiniSPL manual provides a complete overview of the package contents, warranty terms and step‑by‑step instructions for connecting the microphone to a Minilyzer or using it as a stand‑alone device. It also includes safety notes, battery installation guidance and technical specifications.

Key sections cover the status‑LED indications, required load conditions, phantom‑power handling, and detailed technical data such as sensitivity, frequency response and environmental limits.

What's inside

  • Package Contents
  • Warranty Terms
  • Connecting to Minilyzer
  • Stand‑alone Operation
  • Technical Data
  • Battery Installation
  • Notes & Warnings

Specifications

Microphone Type1/2", omni‑directional, pre‑polarized condenser
Sensitivity(20 ± 2) mV/Pa, (-34 ± 1) dBV/Pa @ 1 kHz
Frequency ResponseAccording to IEC60651, Type 2
Peak Acoustic Input130 dBSPL @ 1 kHz
Noise32 dBSPL, A‑weighted
Load Conditions20 – 200 kΩ balanced (phantom power off)
Power Supply1 × AA battery 1.5 V (≈300 h lifetime)
Dimensions22 × 180 mm (0.87" × 7")
Weight100 g (incl. battery)
Operating Temperature0 °C to +45 °C (32 °F to 113 °F)
Humidity< 90 % RH, non‑condensing

Frequently asked questions

How do I insert the battery into the MiniSPL?

Press the push‑pin in, slide the sleeve off, insert a 1.5 V AA battery, and lock the sleeve with the push‑pin.

Can the MiniSPL be used with phantom power?

Phantom power must be turned off; the MiniSPL is phantom‑power resistant and will not operate correctly with it on.

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