Technical Specifications for6 0 0 S e r i e s I n s t r u m e n t G r a d e E l e c t r o s t a t i c T r a n s d u c e r s P a r t # 6 1 6 3 4 1 - M i n i m u m o r d e r 1 0 . I n c r e m e n t s o f 1 0 … P a r t # 6 0 4 1 4 2 - M i n i m u m o r d e r 1 0 0 , i n c r e m e n t s o f 1 0 0 T h i s I n s t r u m e n t G r a d e e l e c t r o s t a t i c t r a n s d u c e r i s s p e c i f i c a l l y i n t e n d e d f o r o p e r a t i o n i n a i r a t u l t r a s o n i c f r e q u e n c i e s . T h e a s s e m b l y c o m e s c o m p l e t e w i t h a p e r f o r a t e d p r o t e c t i v e c o v e r . S p e c i f i c a t i o n s Usable Transmitting Frequency Range See Graph Maximum Combined Voltage 400VUsable Receiving Frequency Range See Graph Capacitance at 1 kHz (Typical) 400-500 pfBeam Pattern See Graph 150 vdc biasMinimum Transmitting Sensitivity at 50 kHz 110 dB Operating Conditions300 vacpk-pk, 150 vdc bias Temperature -20˚-160˚F(dB re 20 µPa at 1 meter) Relative Humidity 5%-95%Minimum Receiving Sensitivity at 50 kHz -42dB Standard Finish GoldkHz150 vdc bias (dB re lv/Pa) Foil HousingSuggested DC Bias Voltage 150V Flat BlackSuggested AC Driving Voltage (peak) 150V Cold Roll SteelS p e c i f i c a t i o n s s u b j e c t t o c h a n g e w i t h o u t n o t i c eTechnical Specifications for 6 0 0 S e r i e s E n v i r o n m e n t a l G r a d e E l e c t r o s t a t i c T r a n s d u c e r s P a r t # 6 1 6 3 4 1 2 - M i n i m u m o r d e r 1 0 . I n c r e m e n t s o f 1 0 … P a r t # 6 0 7 2 8 1 - M i n i m u m o r d e r 1 0 0 , i n c r e m e n t s o f 1 0 0 The Environmental Grade transducer is identical in physical size, electrical characteristics andacoustical performance to the Instrument Grade transducer. The only difference is that the outerhousing is made of a 304 stainless steel which makes this transducer better suited for a harshoutdoor environment.E N V I R O N M E N T A L C H A R A C T E R I S T I C S - E X P O S U R E E N V I R O N M E N T A L C H A R A C T E R I S T I C S – E X P O S U R E T h e f o l l o w i n g t e s t s w e r e p e r f o r m e d w i t h t h e t r a n s d u c e r h o u s e d i n t h e P o l a r o i d T e s t E n c l o s u r e . T h e T e s t E n c l o s u r e p r o t e c t s t h e s i d e s a n d b a c k o f t h e t r a n s d u c e r f r o m e x p o s u r e t o a n y f o r e i g n m a t t e r . T h e r e a r o f t h e t r a n s d u c e r i s v e n t e d t o a t m o s p h e r i c p r e s s u r e . O u t p u t a n d s e n s i t i v i t y o f t h e t r a n s d u c e r a r e r e d u c e d s l i g h t l y w h e n u s e d i n t h i s e n c l o s u r e . A f t e r e a c h t e s t , t r a n s d u c e r s w e r e c l e a n e d a n d d r i e d i f n e c e s s a r y . M e a s u r e m e n t s w e r e t h e n t a k e n a t r o o m t e m p e r a t u r e . V a r i a t i o n i n c o m b i n e d t r a n s m i t / r e c e i v e s e n s i t i v i t y a t 5 0 k H z w a s n o m o r e t h a n 4 . 5 d B a f t e r a n y o n e o f t h e f o l l o w i n g t e s t s . S t o r a g e T e m p e r a t u r e R …
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