GRAS 12HF 1-Channel Power Module for Low-noise Systems

  •  Part Number: GRAS 12HF
     Category: GRAS Sound & Vibration
  •  View: 8
     Status: Available

  • Connection: Traditional 200 V
    Channel(s): 1

  • Sale Price: Liên hệ
  • 0903368648
    +84903368648
Product Information

The GRAS Power Module 12HF is a power supply for single-channel, low-noise measurements using the matched, low-noise preamplifiers and high-sensitive microphones of a GRAS low-noise measuring system 40HF, 40HH or 40HT.

 

Technology

The 12HF provides:

  • polarization voltage (200 V) for the condenser microphone
  • voltage supplies (±15 V) for powering the microphone preamplifier
  • a front panel switch response for selecting pressure or free field setting

 

Specifications

Frequency response (±0.2 dB) Hz 2 to 20,000
Output channels – 1
Output impedance Ω 30
Direct input-to-output connection – No
Linear mode – No
Type – Traditional Power Supply (LEMO)
Traditional power input channels – 1
Preamplifier supply voltage V ±15
Polarization voltage V 200
Overload indicator – Yes
PC control capability – No
External filter option – No
Power amplifier overload detection – No
Power supply (battery) – 4 × LR14 (C) batteries
External power supply Vdc 6 to 20
Low battery indicator – Yes
Fuse mA 315 (fast)
Operating temperature range °C / °F -10 to +50 / 14 to 122
Weight g/oz 620 / 21.870

GRAS Sound & Vibration reserves the right to change specifications and accessories without notice.

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