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取 扱 説 明 書 MN-446A
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1. 11 AC 90 110V A 104 126V B A 194 236V C 207 253V D A 11 x AC 6 5 1 3 36 2 652 3 36 3 4 35
2. INPUT 450V 3 NE RA aN APE 6 1 1 6 ooo Spina 6 7 8 ENN s s 11 3 1 11 3 2 15 ee 17 4 1 17 17 43 U OA Sana unan kanaa qaa 19 44 1 22 450 2 2 23 46 3 25 aa 29 SA he
3. SN ON 1 5 DIN 45405 1967 DIN AUDIO b DIN 45405 1967 DIN NOISE c JIS C1502A JIS C5551A IHF A 202 EC IEC 179 A NAB d CCIR CCIR 468 1 CCIR 468 2 DIN 45405 1978 CCIR ARM IHF A 202 CCIR CCIR ARM 1 3 2 3 4 5 6 7 3 a DIN 45405 1967 DIN 45405 1978 CCIR 468 1 QUASI PEAK COIR 468 2 b AVER R
4. x NC NC 4 3 5 B RANGE x RANGE NC 5 C NC 6 8 C 5V 7 9 5V A 8 20 B WEIGHTING WEIGHT 61 a RESPONSE 1e 22 B RESPONSE NC 11 23 NC GND 12 24 GND 7 2 1 2 RANGE WEIGHTING RESPONSE 48 RANGE MN 446A LOGIC WEIGHTING RESPONSE A 300V WIDE AVER 0 100V AUDIO PEAK 1 30V NOISE RMS 0 10V JIS A 3V CCIR 1V CCIR ARM gt oo ol ol 0o 300mV 100mV 30mV 10mV 3mV 1mV 0 3mV 0 1mV 0 03mV 0 01mV 44
5. I FET 15dB 31 7 8 9 10 11 12 13 14 15 0dB 10dB 20dB 30dB RANGE 0dB RANGE 100dB b 10dB RANGE 90dB 60dB 20dB 10dB 20dB RANGE 80dB 50dB 10dB 30dB 30dB RANGE 7008 4098 30dB 0dB 10dB 40dB 50dB I 3 20dB WIDE BAND DIN ZAUDIO DIN NOISE J J CCIR J CCIR Z ARM WEIGHTING OVERDRIVEN
6. 4 39 1kHz 1Vrms 0dB RANGE it 1V 0dBh J SENSITIVITY CAL RESPONSE AVER WEIGHTING WIDE BAND METER 1Vrms WEIGHTING DIN AUDIO METER 1Vrms R12 AUDIO ADJ WEIGHTING DIN NOISE METER 1Vrms R25 NOISE ADJ WEIGHTING IEC METER 1Vrms R35 ADJ
7. 24 dB EE LT LT 88 TP FJ CE EE ES al iss ua m P T Em F sak AT o LET l Htt Ln Jj j P OJ J j T T l I T s H P l L 1 zo 2 Hes 1 Rk SRI Fa LI PTT Ni LT LT TPP U HPE T Ti P op P T OPC EE P OI YS IN SS SE DA PTI TL FN Ye ES SE Bat JES ES SE si ipu kasi si si usai pai RK BES BES SED Na I I jJ P T PT P P TP j TT STT el 112 ALLL LD 2 N 2 Bs r LL z S ma
8. OP OVERDRIVEN LED SENSITIVITY 10dB OP 1 40dB V V OP 1 23dB 16dB RESPONSE Q PEAK AVER RMS AC OUT OP 1 10dB 32 16 17 DC OP 1 12dB TH IC 15V 5V x 2 33 6 2 6 3
9. 24P 7 43 00 TCIRCUIT GND 16 4 4 1 1 POWER OFF AC 2 INPUT 3 RANGE MAX SENSITIVITY CAL 4 POWER ON 4 2 4 1 17 1 RESPONSE WEIGHTING 1 WEIGHTING ANIE Q PEAK AVER RMS DIN NOISE DIN 45405 1967 JIS C1502A KE JIS C555
10. 36 6 6 6 7 12 5Hz 500kHz 6000 0 2 10Hz 1MHz 100dB 0dB 1V 10Hz 1MHz _ 10mV cm TPR i DC 10MHz ee 10Hz 500kHz 0 100dB 0 1dB Y 0 30V 1kHz 0 01mV 300V 12 1 2 3 4 5 6 POWER ON 10C 30 POWER
11. e COIR CCIR 468 1 468 2 DIN 45405 1978 f CCIRZARM 2kHz 0dB METER RESPONSE AVER 18 TREMOTEJ fy RANGE RESPONSE WEIGHTING 14 3 2 G GND AC 1V RMS OUTPUT DC 1V REMOTE 9 ME GURO No Q SUPPLY VOLTAGHFUSE A 90 110V 104 12 6 DA 8 C 194 236 0 3A 207 253V VOLTAGE SELECTOR AC INPUT D 0 CO 9 9 C Ap 07 19 2 15
12. METER RANGE SENSITIVITY WEIGHTING 4 0 3V 0 1V 20 2dBm 20 0dB RANGE METER SENSITIVITY CAL 16 100dB 0 01mV 90dB 0 03mV 80dB 0 1mV 70dB 0 3mV 60dB 1mV 50dB 3mV 40dB 10mV 30dB 30mV 20dB 100mV 10dB 300mV OBB 1V 1098 2098 10V 30dB 30V 4098 100V 50dB 300V J METER CAL CAL METER 10dB UNCAL SENSITIVITY UNCAL 12 RESPONSE
13. a Q PEAK DIN 45405 1967 1978 CCIR 468 1 468 2 b AVER c RMS 2 RANGE 100dB 0 01mV 50dB 300V METER WEIGHTING a WIDE BAND b DIN AUDIO DIN 45405 1967 10Hz 20kHz RESPONSE Q PEAK c DINZNOISE DIN 45405 1967 RESPONSE Q PEAK d JIS C1502A JIS C5551A IHF A 202 IEC179 A NAB
14. E EEN HH 10 100 50k 1k Hz 1 DIN45405 1967 26 dB dB 4Hz 20 10 gt 5 31 5 1kHz 0 0 5 20 25 gt 3 50 gt 40 6 2 DIN 45405 1967 dB dB 31 5Hz 38 15 63 31 6 15 100 26 1 15 200 17 3 15 400 8 8 15 800 1 9 15 1kHz 0 0 5 2 5 3 15 4 82 15 5 84 0 5 6 3 8 0 15 8 5 1 2 0 10 9 7 3 2 7 3 JIS C1502A JIS C5551A NAB IHF A 202 IEC 179 A dB dB 31 5Hz 39 2 2 63 26 1 2 125 16 1 1 250 8 6 1 500 3 2 1 1kHz 0 0 5 2 12 1 3 15 1 2 1 5 0 5 1 6 3 0 1 1 10 2 4 1 12 5 4 2 2 16 6 5 2 8 4 CCIR 468 1 468 2 DIN 45405 1978 1kHz 0dB dB dB 31 5Hz 29 9 2 63 23 9 14 100 19 8 1 200 13 8 0 85 400 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 11 7 0 5 6 3 12 2 0 5 7 1 12
15. 10Hz 20kHz DIN AUDIO b DIN 45405 1967 DIN NOISE c JIS C1502A JIS C5551A IHF A 202 IEC 179 A NAB iEC d CCIR 468 1 COIR 468 2 DIN 45405 1978 1kHz 0dB CCIR e CCIR ARM 2kHz 0dB CCIR ARM 0 10dB 1MO 30pF 10u V 30mV AC 10Vrms DC 450V 100mV AC330Vrms DC AC 450V AC 1Vrms 10 DC 1V 10 AC 10Hz 500kHz 5 600Q DC 10Hz 500kHz 5 AC 6000 DC 1kQ a AVER RMS 10u V 1 5h V 30u V 3 0u V b QUASI PEAK 10u V 2 0p V 30u V 40p V CMOS RESPONSE 2BIT WEIGHTING 3BIT RANGE 4BIT 24P 57 302
16. ON 10 37 6 8 6 9 1 AC POWER re OFF RANGE 300V 50dB SENSITIVITY CAL RESPONSE Q PEAK WEIGHTING WIDE BAND 2 AC 3 POWER ON 10 TP1 TP2 CND 15V 14 4V 15 6V
17. MN 446A 1025 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 2 3 4 5 6 0 40C 0C 5C 35 AC
18. AVER RMS CCIR CCIR 468 1 468 2 S 1kHz RESPONSE WEIGHTING Q PEAK AVER RMS DIN NOISE DIN 45405 1967 JIS C1502A JIS C5551A IEC 179 A IEC NAB OO OO DIN 45633 IHF A 202 O O CCIRZARM CCIR 468 1 468 2 DIN DIN 45405 1978 O 1kHz 2 2 19 2 3 4 DIN DIN 45405 1967 WEIGHTING DIN AUDIO RESPONSE Q PEAK JIS A JIS C1502A C5551A WEIGHTING DIN AUDIO RESPONSE RMS AVER IEC A IEC 179 A NAB DIN DIN 45633 WEIGHTING DIN AUDIO RESPONSE RMS I
19. 6 b d e 1 b d e 2 0C 40 C 5C lt 35 0 34 6 4 6 5
20. 29 5 2 31 TE 34 6 1 VEE TE a 34 6 2 uum 34 6 3 34 6 4 Ep OD 35 AS aa A D S DY a 35 66 nn 37 67 37 6 8 38 6 9 RR 38 6 10 AC DC 39 7 6 11 6 12 7 1 7 2 OBRA sus suu POCB KO00581 u a a 1 1 1 10Hz 500kHz DIN CCIR S N DIN JIS CCIR 5 10u V
21. RANGE a 0dB RANGE 10098 9048 70dB 60dB 50dB 40dB 30dB b 40dB RANGE 20dB 10gB 0dB 10dgB 80dB RANGE 20dB 30gB 40dB 50dB FET FET 0dB I 0dB 10dB RANGE a 0dB RANGE 60dB 50dB 40dB 20dB 10dB 0dB 20dB 40dB b 10dB RANGE 30dB 10dB 50dB I
22. WEIGHTING CCIR METER 1Vrms R45 CCIR ADJ WEIGHTING CCIR ARM 2kHz METER 1Vrms R48 ARM ADJ 40 1 PCB K 0057 1 R86 R153 KR3 1 R66 5 RLY7 R118 DR135 GAIN ADJ 62 LO 3 s AC OUT ADJ 41 R137 CD29 C79 RLY8 4700 35V R183UR185 DC OUT ADJ AVER ADJ Q PEAK ADJ 5 2 K 0058 1 K 0058 1 C4 FOZ C5 C8 a KR35 R48 R25 AUDIO ADJ IEC ADJ NOISE ADJ 42 ARM ADJ CCIR ADJ 7 7 1
23. 13 OUTJBNC AC1Vrms 6000 47kQ DC OUT JBNC DC1V 1kO 47kQ GND FUSE AC90V 126V 0 5A AC194V 253V 0 3A 17 INPUT 3P AC VOLTAGE SELECTOR A D REMOTE 24
24. SENSITIVITY dBV 0dB S N 20 GEE N 5 6 WEIGHTING 1 17 RESPONSE S a DINZNOISE DIN 45405 1967 WEIGHTING DIN NOISE b JIS A JIS C1502A C5551A WEIGHTING 179 DIN DIN 45633 WEIGHTING d IHE AHF A 202 WEIGHTING e CCIR COIR 468 1 468 2 WEIGHTING CCIR f DIN DIN 45405 1978 WEIGHTING
25. CCIR g CCIR ARM WEIGHTING CCIR ARM 5 N RANGE 4 S dB 6 N dB dB SN 21 44 1 DIN DIN 45405 1967 1 3 5kHz 5kHz ms 10 20 50 100 200 co 48 52 59 68 80 100 5 55 60
26. IC IC IC 38 610 AC DC PCB K 0057 1 1 4 2 1kHz 1Vrms 3 0dB 4 RANGE 1V 0dB SENSITIVITY CAL MN 446A DC OUT CH AC OUT INPUT OUTPUT OUTPUT Hf m o INPUT o Lo 4 RESPONSE YE WEIGHTING WIDE BAND 5 METER 1Vrms R183 Q PEAK
27. 0 2 8 11 4 0 4 9 10 1 0 6 10 8 1 0 8 12 5 0 1 2 14 5 3 1 4 16 11 7 1 65 20 22 2 20 31 5 427 28 9 27 5 CCIR ARM 2kHz 0dB 28 gB dB 31 5Hz 35 5 2 63 29 5 14 100 25 4 1 200 19 4 0 85 400 13 4 07 800 7 5 0 55 1kHz 5 6 0 5 2 0 0 5 3 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 1 2 14 10 9 1 4 16 17 3 1 65 20 27 8 2 0 31 5 48 3 2 8 10 5 5 1 5 1 1 FILTER K 0058 1 CH1_INPUT n O FLOAT REMOTE ISOLATION DECODER SELECTOR LED DRIVER ENCODER RANGE WEIGHT ING RESPONSE 29 5 1 2 NHAId i A O 4190 o 499 1 41 0 9V o 93 8 4 Por j O 3SI0NZNIQ 104110 90 O 0IV NIq O NYa dQIM k NOI1VOINI AlIAIIISNHS 9NIIH9IM L I IndNI 30 5 2 1 2 3 4 5 6 0dB 40dB 80dB
28. dB 15 4 11 5 80 64 5 7 4 6 3 3 1 9 9 214 31 6 46 55 60 68 78 92 dB 13 4 10 0 6 6 5 2 44 3 3 2 2 0 7 SS 13 5 22 4 34 41 44 50 58 68 dB 17 4 13 0 9 3 7 7 7 1 6 0 4 7 3 3 4 2 5 24 1 3 ISIRIR R 5ms 5kHz 23 0 10 7 N N A N NN A V V UV V VV MM U 55 5k Z Sms EZH Hz 2 10 100 48 77 97 E 5 53 82 100 dB 5 5 1 7 0 s J 75 M dB 7 3 2 9 0 5 5 3 0 6ms 5kHz 0 20dB 1gB oms
29. e CCIR COIR 468 1 468 2 DIN DIN 45405 1978 WEIGHTING COIR RESPONSE Q PEAK f CCIR ARM WEIGHTING CCIR ARM WEIGHTING CCIR ARM RESPONSE AVER 2 RANGE 300V 50dB 100V 40dB 30V 30dB 18 4 3 S N 4 1 17 S 1 RESPONSE WEIGHTING 2 JIS A JIS C1502A C5551A
30. 68 78 92 TNR 0 MARE 44 50 58 68 3 2 70 90 5ms 10Hz 5kHz 10Hz TA N N N A Ue r ESAERA OkHZ pms 157 22 4 5 2 CCIR CCIR 468 2 DIN 45405 1978 1 4 1 3 5kHz ms 1 2 5 10 20 50 100 200 170 26 6 40 48 52 59 68 80 p
31. 1A O IEC 179 A O IEC NeB DIN 45633 IHF A 202 O CCIR 468 1 468 2 DIN DIN 45405 1978 CCIR ARM O 1 a DINZ NOISE DIN 45405 1967 WEIGHTING DIN NOISE RESPONSE Q PEAK b JIS A JIS C1502A C5551A WEIGHTING RESPONSE RMS AVER 17 JIS A IEC A EC 179 A NAB DIN DIN 45633 WEIGHTING RESPONSE RMS IHF A IHG A 202 WEIGHTING TRESPONSEJ gt AVER
32. 40 0C lt 40 5C lt 35 1096 AC100 115V 215V 230V 10 50 60Hz 20VA 150 W x 225 H x 310 D mm 5kg 10 3 3 1 4 MEGURO MN 446A NOTSE METER dB 100 90 80 70 60 50 40 30 20 10 0 0 20 30 40 50 m 01 03 1 3 1 3 1030100 300 1 9 10 30 100300 RESPONSE WEIGHTINGE WIDE DIN DIN CCIR REMOTE R M S BAND AUDIO NOISE IEC CCIR ARM O O Q O POWER OVER O INPUT SENSITIVITY UNCAL LI 11 POWER INPUT BNC 1MO OVERDRIVEN
33. 8dBm 52dBm 0dBm 0 775Vrms a AVER 396 10u V b QUASI PEAK RMS 596 10u V 30u V 100V 42dBm a AVER 10u V 20Hz 20kHz 5 10Hz 30kHz 7 30kHz 50kHz 15 30 V 100u V 20Hz 100kHz 5 10Hz 200kHz 7 200kHz 300KHz 15 300 V 20Hz 200kHz 3 10Hz lt 500kHz 7 b QUAI PEAK RMS 10u V 20Hz lt 20kHz 10 10Hz 30kHz 15 30u V 10Hz 50kHz 10 a DIN 45405 1967 DIN 45405 1978 CCIR 468 1 CCIR 468 2 QUASI PEAK b AVER 2 RMS CCIRARM RESPONSE AVER DIN 45405 1967
34. ADJ 6 RESPONSE AVER METER 1Vrms R187 AVER ADJ 7 RESPONSE RMS METER 1Vrms R185 RMS ADJ 39 8 9 70dB RANGE 0 3V 70dB RESPONSE Q PEAK METER 70dBV R31 GAIN ADJ 4 AC 1Vrms DC 1V R147 AC OUT ADJ R190 DC OUT ADJ 6 11 PCB K00581 1 2 3 4 5 6 7 8 9 10
35. HF A IHF A 202 WEIGHTING DIN AUDIO RESPONSE AVER CCIR CCIR 468 1 468 2 WEIGHTING CCIR RESPONSE Q PEAK CCIR ARM WEIGHTING DIN AUDIO RESPONSE AVER RANGE 300V 50dB 100V 40dB 30V 30dB1 S S N 3 4 RANGE 1 2 S 1 5Vrms RANGE 3V 10dB 1V 0dB
36. MS CCIR ARM 0 10dB AC OUTPUT DC OUTPUT CCIR ARM RANGE RESPONSE WEIGHTING m RD m HH KS BL lll 1 1 1 MN 446A 1 BNC 0 5A or 0 3A 2 10Hz 500kHz 10u V 300V 16 0 0 01mV 0 0 03mV 0 0 1mV 0 0 3mV 0 1mV 0 3mV 0 10mV 0 30mV 0 100mV 0 300mV 0 1V 0 3V 0 10V 0 30V 0 100V 0 300V 100dB 50dB 0dB 1Vrms 9
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