Related Manuals for Kenwood VT-172
Summary of Contents for Kenwood VT-172
- Page 1 N O I S E M E T E R VT-172 INSTRUCTION MANUAL K E N W O O D C O R P O R A T I O N ©PRINTED IN JAPAN...
-
Page 2: Table Of Contents
CONTENTS G E N E R A L F E A T U R E S S P E C I F I C A T I O N S C O N T R O L S A N D I N D I C A T O R S O P E R A T I O N P R E C A U T I O N... -
Page 3: G E N E R A L
F E A T U R E S G E N E R A L 10 # V fullscale m a x i m u m s e n s i t i v i t y w i t h 0 . 2 / ^ V Noisemeter is an high-sensitive electronic voltmeter... -
Page 4: S P E C I F I C A T I O N S
S P E C I F I C A T I O N S Frequency response : W i t h average detection and R M S display 10/iV range: 2 0 H z ~ 1 0 k H z ±5% [Voltmeter Section] 1 0 H z ~ 3 0 k H z... - Page 5 Peak detection : Overload voltage level : 10/A/—300/A/ ranges: 10/A/ range input shorted, Input 1 0 V r m s , D C 500V equality value 1 m V ~ 3 0 0 m V ranges: Below 2.0/iVrms(1.0/iVrms T Y P . ) 8 0 V r m s 3 0 M / range input shorted, Input...
- Page 6 Frequency response : 1 m V ~ 3 0 0 V ranges: [Weight] 4.6 kg 10Hz~500kHz w i t h i n ± 3 d B [Accessories] Power card 3 0 / A / — 3 0 0 M / ranges: Input cable(CA-41) 10Hz~150kHz w i t h i n...
-
Page 7: C O N T R O L S And Indicators
F R O N T P A N E L C O N T R O L S AND INDICATORS © P O W E R (ON j>l / O F F * ) S w i t c h A C power s w i t c h . - Page 8 the unit into a wideband A C voltmeter. ® O V E R L E V E L L a m p button is depressed, the mode is a u t o m a t i c a l l y When using weighting f i l t e r s the effect of C C I R / A R M .
- Page 9 f o r . The appropriate A V E R A G E / P E A K s w i t c h settings the v a r i o u s f i l t e r s are : F i l t e r : A V E R A G E P E A K...
-
Page 10: Operation
R E A R P A N E L OPERATION © A C O U T P U T J u c k T h i s output is used for w a v e f o r m observation Check the mechanical zeroing of the meter. -
Page 11: P R E C A U T I O N
R E A D I N G T H E M E T E R S C A L E S (See F i g . 3 ) PRECAUTIONS V O L T A G E S C A L E S These scales consist of a 0—10 and 0 ~ 3 scale T o assure accurate measurements allow a f i v e which are used to read ranges which are... -
Page 12: Maintenance
Please note t h a t this unit O V E R L E V E L L E D MAINTENANCE • lights when the input exceeds 15dB above the fullscale reading f o r use w i t h weighting f i l t e r s Removing the C A S E w a r n against d i s t o r t i o n due to highly... -
Page 13: A D J U S T M E N T
C H A N G E O V E R O F V O L T A G E IN S W I T C H I N G A D J U S T M E N T R E G U L A T O R ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ) Remove the fuoo Keride*- on the rear side of the device Although... - Page 14 T o adjust the 10/iV range of the VT-172, set A d j u s t V R 8 so t h a t the A C O U T is 1 V r m s .
- Page 15 F i g , 6 Output U n i t Adjustments ( L e f t Side V i e w ) Fig. 5 Input Unit Adjusti ts (Bottom View) F i g . 7 F i l t e r Ur, Adjustments ( R i g h t Side V i e w ) - 1 5 -...
-
Page 16: Appendix
APPENDIX W i t h regard to C C I R recommendations and DIN 45405 standards for semi-peak detection of noise levels,the f o l l o w i n g characteristics are specified. Adjustment of Weighting Filter Reference Level. filter One tone burst is to be input and the... - Page 17 Noise Measurement F i l t e r J I S C 1 5 0 2 A , J IS Noise Measurement Noise Measurement C5551A I E C - A , IHF-A F i l t e r D I N 45405 ( N O I S E ) F i l t e r D I N 45405 ( A U D I O ) Frequancy Responsed...
- Page 18 Noise Measurement F i l t e r Noise Measurement F i l t e r ( C C I R s t a n d a r d ) , ( C C I R / A R M standard) (Rec.
- Page 19 J I S A N O I S E ' A U D I O ' C C I R C C I R / A R M - Table 9 Noise Weighting Characteristics - 1 9 -...
- Page 20 KENWOOD CORPORATION 1 7 - 5 , 2 - c h o m e , S h i b u y a , S h i b u y a - k u , T o k y o 1 5 0 , J a p a n...