RG 50
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Catalog excerpts

INTELLIGENT MEASURING EQUIPMENT www.roga-instruments.com ROGA RG-50 These 1/4"-measuring microphones are pressure transducers. The model RG-50 have integrated electronics, and can be delivered with sensitivities from 10 to 100 mV/Pa at tolerances of within ± 5 %. Special custom versions are also possible. Power supplies for the microphones can be either a constant current source of 2 – 6 mA (standard version) or a constant voltage source 4 – 30 Volts. Normally the microphones are fitted with BNC-connectors (fem.) allowing standard BNC-BNC cables to be used. Other connectors such as TNC, SMB, Lemo or µdot are also available on request. These microphones are quite suitable for array applications. ROGA-Instruments, Steinkopfweg 7, D-55425 Waldalgesheim Phone: +49 (0) 6721-98 44 54, Fax: +49 (0) 6721-98 44 74 TECHNICAL DATA (Type 2): Analog Inpu Frequency response (typical) 30 Hz – 4 kHz: ± 1 dB 4 kHz – 20 kHz: ± 1.5 dB Temperature range -10 – +50 °C Sensitivity Ϸ 50 mV/ Pa Noise (Lin: 20 Hz – 20 kHz) Ϸ 35 dB (SPL) („A“-wighted) Ϸ 26 dB (SPL) Max. peak SPL Ϸ 130 dB (ref. 20µPa) Constant supply current 2 – 6 mA Output impedance 50 ⍀ Dimensions – total length 93 mm Tube – diameter 8 mm Connector BNC (fem.) Weight 23 grams

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