取 扱 説 明 書 MN－447A
Contents
1. 3 276 DIN 45405 1967 10Hz 20kHz DIN AUDIO b DIN 45405 1967 DIN NOISE c JIS C1502A JIS C5551A IHF A 202 IEC 179 A NAB B Es CCIR 468 1 CCIR 468 2 DIN 45405 1978 1kHz 0dB CCIR ARM 2kHz 0dB CCIR ARM 0 10dqB 1MQ 80pF 10 u V 30mV 10Vrms DC 450V 100mV AC330Vrms DC ACPEAK 450V 1Vrms 10 DC 1V2. 11 194 128 A 2072587 11 6 5 AC 6 5 1 3 388 3 2 L 6 5 2 3 38 3 4
3. 1 5kHz ms 1 2 5 10 20 50 100 200 O 17 0 26 6 40 48 52 59 68 80 dB 15 4 11 5 8 0 6 4 5 7 4 6 3 3 1 9 21 4 31 6 46 55 60 68 78 92 dB 13 4 10 0 6 6 5 2 4 4 3 3 2 2 0 7 13 5 22 4 34 41 44 50 58 68 dB 17 4 13 0 9 3 T 7 1 6 0 4 7 3 3 4 TR EN 2 5 26 1 Z3 a 5ms 5kHz 25 10Hz A AA N N
4. 5kHz TS E ms 10 20 50 100 200 48 52 59 68 80 100 55 60 68 78 92 R FAH 41 44 50 58 68 3 2 7096 9096 5ms 10Hz 5kHz 10Hz N N AN A WANY VUV p eg 5 5ms 9 24 45 2 CCIR CCIR 468 2 DIN 45405 1978 O o 1 4
5. TEC A IEC 179 A 202 1 468 2 CCIR 51978 4 gt CCIR CCIRZARMI 4 S dB 6 O Of E N 3 KIL 06 HTH N dB dB S N 23 E 4 4 3 1 DIN 1 DIN 45405 1967
6. 37 38 66 12 T 5Hz 500kHz J 600 0 0 2 10Hz 1MHz 100dB 0dB 1V 1MHz E E 10mV cm fx 3 DC I0MHz 5 10Hz 500kHz 600 OZ 0 100dB 0 1dB OF 0 30V 1kHz 0 01mV 300V zT BERES 12 67 1 POWER ON
7. 7 Hi M 14 f CCIRZARM 2kHz 0dB METER RESPONSE AVER REMOTE RANGE RESPONSE WEIGHTING 04 15 3 2 14b 14 2 CH 1 OUTPUT
8. DC 1V REMOTE 7 9 9 9 BUZZER ME GURO SUPPLY VOLTAGEFUSE A 90 110 104 126 FUSE 194 23 6 5 N D 207 25 3 VSE TAQE SELECTOR INPUT D B 69 69760 C MEGURO ELECTRONICS CORPORATION 2 AC OUT BNC AC1Vrms 6000 47kQ DC OUT BNC 15 10 9 19 0 DC1V 1kQ 47kQ GND FUSE AC90V 126V 0 5A AC194V 253V 0 8A AC INPUT 3P
9. E E 1 DIN AUDIO JIS C1502A JIS C5551A IHF A 202 IEC 179 A NAB CCIR CCIR 468 1 1 DIN NOISE CCIR CCIR 468 2 DIN 45405 1978 202 CCIR 2 3 a 3 4 5 DIN 45405 1967 DIN 45405 1978 CCIR 468 1 CCIR 468 2 54255 EREEREER 0 10dB OUTPUT DC OUTPUT CCIR ARM Q
10. eS 2 AC 9 MEME WCAC AROMA LEVIET ESN 4 POWER ON 10 2 2 5 6 39 6 8 6 9 1 AC D POWER 4 OFF RANGE 300V 50dB SBNSITTIVTTY CAL RESPONSE Q PEAK WEIGHTING WIDE BAND 2 AC 3 POWER ON 10
11. 1V 0dB SBNSITTIVTTY CAL 89 RESPONSE 25 WEIGHTING WIDE BAND 5 METER 1Vrms R183 Q PEAKADJ 6 RESPONSE 3f yF AVER CLET METER 25 1Vrms R187 AVER ADJ 7 RESPONSE RMS METER 1Vrms R185 RMS ADJ 41 6 11 8 70dB 9 4 R31 GAIN ADJ AC RANGE 0 3V 70dB RESPONSR Q PEAK METER 70dBV 52
12. 23dB 16dB RESPONSE Q PEAK AVER RMS 34 15 ACOUT OP 1 104 16 DC OP 1 12dB 17 IC 15V 5VX2 gt 35 6 1 6 2 6 3 6
13. a b 1 a b c d e 2 0 40C 5C 85 C 0 36 64
14. 1Vrms DC 1V 3 ADJ PCB K00581 1 2 3 4 5 6 7 8 9 1 0 4 41E 1kHz 1Vrms 0dB RANGE 1V 0dB SENSITIVITY 5 CAL RESPONSE y Peete TAVER WEIGHTING y WIDE BAND METER 2 1Vrms WEIGHTING DIN AUDIO cg E R147 AC OUT ADJ R190 DC OUT METER 2X 1Vrms R12 AUDIO ADJ WEIGHTITNG DIN NOISE
15. METER 2 1Vrms R25 NOISE ADJ WEIGHTTNG IEC CLET METER 2 1Vrms R35 EC ADJ WEIGHTING CCIR METER 1Vrms R45 CCIR ADJ O WEIGHTTNG CCIR ARM 2kHz IMETER 2 1Vrms R48 ADJ 42 6 12 1 0057 1 GAIN ADJ 1 RLY1 R66 5 RLY 2 ls R86 TE R153 _ OUT ADJ RLY7 R135 R137 CD29 RLYS C79 O 47004 35V RLY9 1 R187 47004 85 R190 R183 R185 DO ADJ 1 Q PEAK ke Me
16. AC VOLTAGE SELECTOR M A D REMOTE 24 24P 7 458 CIRCUIT GND 21 6 SENSITIVITY UNCAL ON OFF 17 4 4 1 1 POWER OEFE AC 2 INPUT 3 6 RANGE
17. I odB 10dB RANGE GEJS a OdB 68 6 IRANGE 60dB 50dB 40dB 20dB 10dB 0dB 20dB 40dB b 10dB 6 RANGEB 30dB 10dB 50dB I FET 15dB 33 7 8 9 1 0 1 2 1 3 1 4 0dB 10dB 20dB 30dB 6 IRANGE 4 yF OdB RANGE 100dB b 10dB 2 904 604 20dB 104 20dB RANGE 80dB
18. TP1 TP2 GND 15V 14 4V 15 6V IC EEE 1IC IC 40 610 AC DC PCB K 0057 1 1 4 2 1kHz 1Vrms 3 0dB MN 447A DC OUT BRAA INPUT OUTPUT OUTPUT o INPUT 7 5 esa INPUT 4 4
19. F AVER 3 E 2 CCIR CCIR 468 1 468 2 8 RESPONSE WEIGHTING we AVER RMS DIN NOISE DIN 45405 1967 JIS C1502A JIS C5551A O IEC 179 A IEC NAB DIN 456383 209 CCIR ARM OIO CCIR 468 1 468 2 DIN DIN 45405 1978 O 1kHz 2 2 21 DIN DIN 45405 1967 WEIGHTING DIN AUDIO RESPONSRE Q PEAK b JIS C1502A C5551A WEIGHTING DIN AUDIO RESPONSE RMS AVER IEC A TEC 179 A NAB DIN DIN 45633 WEIGHTING DIN AUDIO RESPONSE
20. INPUT HR l 0C 450V nb ELED 1 n kuu tuan zm 6 6 6 7 8 9 12 A de a or a anat ansqasyq 12 3 9
21. 22 4 6 SENSITIVITY S N dBV 0dB E N 4 5 WEIGHTING 1 19 222 C UL C RESPONSE S DIN NOISE DIN 45405 1967 D WEIGHTING RG Y Pees DIN NOISE JISA JIS C1502A C5551A WEIGHTING DIN DIN 45633 WEIGHTING WEIGHTING CCIR CCIR 468 WEIGHTING f DIN DIN 454 WEIGHTING g CCIR ARM 0 WEIGHTING 6 5 3 RANGE
22. MN 447A 2 1026 820 001 7212 0055 4 11 1 TEL 044 589 0805 FAX 044 589 0825 530 0043 1 19 4 9 TEL 06 6357 5513 FAX 06 6357 5593 1 2 3 4 5 6 0 40 5 35
23. 5 43 2 PCB 0058 1 BEZZIA K 0058 1 C4 FOZ C5 a KR35 R48 RR AUDIO ADJ IEC ADJ NOISE ADJ 6 44 ARM ADJ CCIR ADJ 7 7 1 LN _ NN NC 1 NC 2 4 3 2 i C 4 _ RANGE RANGE A L CH gt 5V 2 I B WEIGHTING WEIGHT 9 21 RESPONSE A i NC 11 gt CND 7 7 2 1 JYRY 2 212 646 gt 45 RANGE WEIGHTING RESPONSE MN 447A LOGIC RANGE WEIGHTING RESPONSE AIBICID A B C A B 300 0101010 WIDE 0 0 0 AVER 0 0 100V 11101010 AUDIO 1 0 0 PEAK 1 0 80 0111010 NOISE 0 1 0 RMS 0 1 10V 1 110 0 JIS A 1 1 0 8 0101 110 CCIR 0 0 1 1V 1 0 110 CCIR ARM 1 0 1 300mV 0 1 1 0 100mV 1 1 110
24. AJ lJ V V Y V V V 5kHz aa ms 125 Hz 2 10 100 48 77 97 64 23 125 90 53 82 100 gt 5 5 1 7 0 43 72 94 7 3 2 9 0 5 5 8 0 6ms 5kHz 0 20dB 1dB 26 46 3 Wan lli 28 Em LO 34 SS 8 H ml m E s AH LAL TH L FN F P gt 202 4 24 F L
25. RMS d 202 WEIGHTING DIN AUDIO RESPONSE AVER CCIR CCIR 468 1 468 2 WEIGHTING CCIR RESPONSE y Poe Q PEAK f ICCIRZ ARMJ WEIGHTING DIN AUDIO RESPONSE AVER 2 RANGE 300V 50dB 100V 404 30V 30dB Set S S8 N 3 4 3 RANGE 1 2 2 1V 0dB S 1 5Vrms RANGE x 8V 10dB
26. RMS 2 09 CH1 CH2 100dB 0 01mV 50dB 300V 2 G 1 kg 2 WEIGHTTNG a WIDE BAND b DIN AUDIO DIN 45405 1967 20 RESPONSE Q PEAK DIN NOISE DIN 45405 1967 RESPONSE Q PEAK JIS C1502A JIS C5551A 202 179 CCIR CCIR 468 1 468 2 DIN 45405 1978
27. 16 Hd u 18 4 1 i 18 19 RDNS 21 FA 55 24 SS A 25 5 AAP 27 So A E H 31 S Dc 81 33 36 P 36 69 uum de 36 68 36 DR 37 87 66 6 7 68 40 40 6 10 DC 41 6 11 581 0 42 6 12 SSES B EPI 43 i 45 TEA
28. 0 775Vrms a AVER 3 b QUASI PEAK R M S 5 30 V 100V 42dBm AVER 10 20Hz 20kHz t5 10Hz 30kHz 7 30kHz 50kHz 15 30u V 100u V 20Hz 100kHz 5 10Hz 200kHz 7 200kHz 300kHz 15 300 u V 20Hz 200kHz 3 10Hz 500kHz 7 b QUAI PEAK RMS 10uV 20Hz 20kHz 10 10Hz 30kHz 15 30gV 10Hz 50kHz 10 a DIN 45405 1967 DIN 45405 1978 CCIR 468 1 CCIR 468 2 24 2 258 QUASI PEAK b AVER 2 RMS 4 CCIR ARM RESPONSE
29. 50dB 10dB 30dB 30dB RANGE gt 2 70dB 404 304 OdB 10dB 40dB 50dB TH 3 20dB WIDE BAND DIN AUDIO DIN NOISE IRC CCIR CCIR ARM WEIGHTTNG OVERDRIVEN OP OVERDRIVEN LED LEF 69 SENSITIVITY 10dB OP 1 404 IV V 1
30. 30mV 0 0 0 1 1 10mV 1 0 0 1 3mV 0 110 1 1 1mV 1 110 1 0 3mV I010 1 1 0 1mV 1 10 1 1 0 03mV 0 1 1 1 0 01mV 1 1 1 1 46
31. 7 8 0 7 800 1 9 0 55 1kHz 0 0 5 2 5 6 0 5 3 15 9 0 5 4 10 5 0 5 5 111 7 0 5 6 8 12 2 0 5 7 1 12 0 2 8 11 4 0 4 9 110 1 0 6 10 8 1 0 8 12 5 0 1 2 14 5 8 1 4 16 11 7 1 65 20 22 2 2 2 0 81 5 42 7 2 2 8 9 29 5 CCIRZ ARM 2kHz 0dB dB FRE dB 31 5Hz 35 5 2 63 29 5 1 4 100 25 4 1 200 19 4 0 85 400 13 4 0 7 800 7 5 0 55 1kHz 5 6 0 5 2 0 0 5 8 15 3 4 0 5 4 4 9 0 5 5 6 1 0 5 6 3 6 6 0 5 7 1 6 4 0 2 8 5 8 0 4 9 4 5 0 6 10 2 5 0 8 12 5 5 6 14 10 9 1 4 16 17 3 1 65 20 27 8 2 0 31 5 48 3 2 8 10 30 5 5 1 5 1 1 REMOTE ISOLATION el FILTER DECODER FILTER K 0058 1 K 0058 0 SELECTOR DC LED DRIVER b Dc am g s Cm K 0057 1 agan ENCODER 5 CH1 INPUT UN MO KEY LED FLOAT x g o FLOAT CASE CASE 2 O O 2 ho Auh RANGE WEIGHT ING CH2 RANGE RESPONSE 5 1 2 104110 V ISIONANIG ko
32. D WEIGHTTING RRSPONSE RMS AVER JIS A 19 IEC A IEC 179 A NAB DIN DIN 45633 WEIGHTING RESPONSE RMS d 202 WEIGHTING TEC RESPONSE AVER CCIR CCIR 468 1 468 2 DIN DIN 45405 1978 WEIGHTING CCIR RESPONSE Q PEAK f CCIRZARM WE
33. Indino 9 114100 30 O 0I00V Z NId k O 3010 k al 4 i N s 5 1 41 0 94 NOI1VOINI AlIAIIISNHS O 4190 o 499 o 93 92 5 2 1 2 3 4 5 6 0dB 40dB 80dB RANGE 0dB 68 60 RANGE 100dB 90dB 70dB 60dB 50dB 40dB 30dB b 40dB 6 D RANGE 20dB 10dB 0dB 10dB O 80dB 6 RANGE 20dB 80dB 40dB 50dB FET FET 0dB
34. MAX 9 SENSITIVITY CAL 4 POWER ON lt zZH 18 42 4 1 18 1 RESPONSE WEIGHTING 10 RESPONSE WEIGHTING 4 gt 7 Q PEAK AVER RMS DIN NOISE DIN 45405 1967 JIS C1502A XE JIS C5551A O IEC 179 A NAB DIN 45633 IHF A 202 O CCIR 468 1 468 2 5 DIN DIN 45405 1978 CCIR ARM 5 1 O O O a DIN NOISE DIN 45405 1967 WEIGHTING DIN NOISE RESPONSE Q PEAKI b JISA JIS C1502A C5551A
35. 10 mn AC 6000 DC 1kQ a AVER RMS 10gV 1 5uV 8 0pr V b QUASI PEAK 10gV 30gV 4 0V CMOS RESPONSE 2BIT WEIGHTING 3BIT RANGE 4BIT 4BIT 24P 57 30240 0 40 C 5C 35 C 10 AC100V 115V 215V 230V 10 60Hz 40VA 10 150 W x225 H x395 D mm 7kg 11 3 3 1 MEGURO_MN 447A 2CH NOISE METER dB 100 90 80 70 60 50 40 30 20 51 10 10 20 30 40 50 3 10 30 100 300 10 30 100300 E i m 01 03 1 3 1 1 3 CH2 O f RESPONSE WEIGHTINGE WIDE DIN DIN CCIR REMOTE O PEAK AVER
36. A e aa 45 45 1 1 1 MN 447A 2 10Hz 500kHz DIN CCIR S 7 S N ON TU 1 2 1 5 a DIN 45405 1967 DIN 45405 1967 b C CCIR ARM j LTV LT DIN JIS CCIR 5 10zrV
37. PI PPEP l Hill 24 9 2 5 72 2 dB 27 Hz 1 DIN45405 1967 HH 2 DIN 45405 1967 dB 4Hz gt 20 10 2 5 81 5 1kHz 0 0 5 20 25 2 8 50 40 6 dB dB 31 5Hz 38 1 5 63 81 6 1 5 100 26 1 1 5 200 17 3 1 5 400 8 8 1 5 800 1 9 1 5 1kHz 0 0 5 2 5 83 2 1 5 4 8 2 1 5 5 8 4 0 5 6 3 8 0 1 5 8 5 1 2 0 10 9 7 For 2 7 28 3 JIS C1502A JIS C5551A NAB 209 IEC 179 A dB 31 5Hz 39 2 63 26 1 125 16 1 250 8 6 500 8 2 1kHz 0 2 1 2 8 15 1 2 5 0 5 6 3 0 1 10 2 4 12 5 4 2 16 6 5 8 4 CCIR 468 1 468 2 DIN 45405 1978 1kHz 0dB dB dB 31 5Hz 29 9 2 63 23 9 1 4 100 19 8 1 200 13 8 0 85 400
38. IGHTING ICCIR ARMI I WEIGHTING CCIR ARM RESPONSE AVER 2 6 RANGE 300V 50dB 100V 40dB 80V 30dB 20 43 S N 4 1 18 S 1 RESPONSE WEIGHTTNG 2 1 JIS A JIS C1502A C5551A BA ERIR E RMS HOEFT E f 1kHz
39. NGE METER PREZ 6 SENSITIVITY CAL J T KO 16 100dB 80dB 60dB 40dB 20dB 0dB 20dB 40dB 69 SENDITIVITY 0 01mV 90dB 0 1mV 70dB 1mV 50dB 10mV 30dB 100mV 10dB 1V 10dB 10V 30dB 100V 50dB 0 03mV 0 3mV 3mV 30mV 300mV SV 30V 300V METER CAL CAL METER 10dB UNCAL 6 SENSITIVITY 2 0 BUZZER UNCAL UNCAL 13 RESPONSE a Q PEAK DIN 45405 1967 1978 468 1 468 2 b AVER
40. R M S BAND AUDIO NOISE 1 CCIR ARM O O RANGE RANGE2 D 626 CO OVER N INPOT POWER TE dog 12 9 IPOWER 6 INPUT BNC 1M Q OVERDRIVEN IMETER RANGEB SENSTTIVITY WEIGHTTNG 0 3V 0 1V 20 2dBm 20 0dB H 4 RA
41. UAST PEAK AVER RMS CCIR ARM 6 2 7 8 RANGE RESPONSE WEIGHTING 1 3 4 lt 1 BNOCO 1 1 1A or 0 5A MN 447A 1 gt T 29 EREE 10Hz 500kHz 10u 300 16 0 01mV 0 03mV 0 1mV 0 83mV 1mV 3mV 10mV 30mV 100mV 300mV 1V 10V 30V 100V 300V 100dB 50dB 0dB 1Vrms 98dBm 52dBm 0dBm
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