Summary of Contents for MegaSig MPA668-812
- Page 1 Equips engineers to create better products Instruction manual for free-field measurement microphone kit MegaSig Measurement & Control Technology Co.,Ltd Page 1 of 6 Shenzhen MegaSig Co.,Ltd www.megasig.com Tel: 0755-89508393 / Fax: 0755-89508392...
- Page 2 Equips engineers to create better products 1、 Product introduction 1) Type and designation： MPA668-812 Free-field measurement microphone kit 2) The model code of the free-field measurement transmission kit is as follows: MP A 668-812 Stands for "Specific model of preamplifier"...
- Page 3 The output interface adopts BNC joint, and the main part is made of stainless steel to make it have good toughness and long time storage. Threaded connections BNC Connector Figure 1.3 Page 3 of 6 Shenzhen MegaSig Co.,Ltd www.megasig.com Tel: 0755-89508393 / Fax: 0755-89508392...
- Page 4 10%-90% Humidity range non condensing 85mm Overall length 13.2mm Diameters Diameters（No Protection grid） 12.7mm 11.7mm-60UNS Cooperate with thread 3、 The product principle Internal structure drawing of microphone： Page 4 of 6 Shenzhen MegaSig Co.,Ltd www.megasig.com Tel: 0755-89508393 / Fax: 0755-89508392...
- Page 5 1） 、The microphone uses BNC coaxial cable (i.e. power supply and signal output share one cable), Supply 4mA constant current power supply, working voltage is 24V DC. Can work normally. 2） 、Intrinsic safety parameter：Ui：24VDC，Ii：10mA。 Page 5 of 6 Shenzhen MegaSig Co.,Ltd www.megasig.com Tel: 0755-89508393 / Fax: 0755-89508392...
- Page 6 It is recommended not to remove the microphone protection fence at will Version Document number Date Design Verify Approve V1.1 MGS-MP668-01 2022.08.09 Tianyang Jiang Kanghui Zhao Xushun Chen Page 6 of 6 Shenzhen MegaSig Co.,Ltd www.megasig.com Tel: 0755-89508393 / Fax: 0755-89508392...
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