• Chamber

EMK1

Article: 00024284

Chamber

Elektrostatic actuator measurements of 1 and 1/2 Microtech Measuring Microphone Capsules can be performed within the Measuring Chamber EMK 1 in normal working environments. Due to its solid construction the EMK 1 reduces the outside noise by about 40 dB. The measuring chamber EMK 1 consists of a removable upper part and the lower part, secured to a base plate. The 1/2 Measuring Microphone Preamplifier MV 203 is inserted in the lower part of the chamber and secured with a slotted grub screw. The measuring capsule has to be placed 20 to 21 mm above the rim of the measuring chamber. The upper part of the EMK 1 contains a gold-plated contact with contact protection. The measurement voltage
200 V DC at 1 M Ohm of the power supply MN 900
10 V AC at 6 nF of a signal generator

is applied through the measuring adaptor MA 1 to the BNC-socket on the upper side. When measuring 1 measuring microphone capsules the adaptor A 63.1 has to be screwed onto the 1/2 Measuring Microphone Preamplifier MV 203.

Specifications

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