Microphones
Microphone Disc GM50
Electret Ultrasonic Microphone Disc with Test Signal Speaker
excl. VAT & shipping
Knowles FG - Microphone capsule
40kHz test signal speaker
Integrated microphone heating
Removable mounting plate
∅ 50mm (outer diameter) / ∅ 90mm (mounting plate)
Installation in the floor of the nacelle of wind turbines via 55mm drill-hole
Alternative use not on wind turbines with optional tripod
Microphone Disc GM90
Electret Ultrasonic Microphone Disc with Test Signal Speaker
excl. VAT & shipping
Knowles FG - Microphone capsule
40kHz test signal speaker
Integrated microphone heating
Wind protection ring
∅ 100mm (wind protection ring) / ∅ 140mm (mounting plate)
Installation in the floor of the nacelle of wind turbines via 100mm drill-hole
Compatible with ProBat and the RENEBAT-Projects
Tower Microphone TM10
Electret Ultrasonic Microphone without Test Signal Speaker
excl. VAT & shipping
Knowles FG - Microphone capsule
Integrated microphone heating
∅ 12mm / Length 500mm
TM10 - Mounting Kit for hole mounting in tower walls
Tower Microphones TM20
Electret Ultrasonic Microphones with Test Signal Speaker
excl. VAT & shipping
Knowles FG - Microphone capsule
Integrated test signal speaker and microphone heating
Housing-∅ 20mm
Three housing variants for different mounting and application options
Available with and without microphone capsule protection
Mounting Kit and Roxtec seals for hole mounting in tower walls
Magnetic Bracket for mounting on walls made of steel