NTI Audio Mini SPL Measurement Condenser Microphone with Certificate:

Specifications:

• Microphone Type: 1/2, omni-directional, pre-polarized condenser, free field transducer
• Sensitivity:
• balanced (20 2) mV/Pa
• unbalanced (10 1) mV/Pa
• @ 1 kHz, 20C
• +0.05 dBSPL / C
• Frequency Response: acc. to IEC61672, Class 2, tolerance curve is shown on typical calibration certificate
• Output: balanced
• Peak Acoustic Input: 130 dBSPL @ 1 kHz
• Noise: 32 dBSPL, A-weighted
• Load Conditions: 20 – 200 kOhm balanced, to achieve this always switch PHANTOM POWER off.
• Power Supply: 1x AA battery 1.5 V, battery lifetimetypical 300 hrs, no phantom power supply, phantom power resistant
• Dimensions: dia 22 mm, length 180 mm, dia 0.87, length 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
• Includes Micro-clamp and certificate, case