MIC / Preamp ATT NL-32 A C ATT AMP 1 AMP 2 AMP 3 FLAT FLAT CAL.SIG. OVER LOAD DET. AMP 4 AMP 5 A/D D/A CONV. AMP 6 AMP 7 A/D CONV. Vref. AMP 8 AMP 10 DC OUT AMP 9 FILTER OUT AC DC OUT AC OUT KEY SW Start Pause Stop Store Mode Cont DATA BUS A C FL T Fast Slow Menu Down Page Up Range Recall Recall data Cal adj CPU ADDRESS BUS DSP Light Freq Print Cal Power LCD DATA BUS ADDRESS BUS RAM EEPROM CLK RS-232C USB POWER SUPPLY CARD INTERFACE
Start Stop Store Mode Pause Cont A C FLAT Fast Slow Up Menu Down Page Range Recall Recall data Cal adj Freq Light Print Cal NL-22 Power SOUND LEVEL METER
Start Stop Store Mode Pause Cont A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Freq Light Print Cal NL-22 Power SOUND LEVEL METER
AC DC OUT I O POWER AC / DC I/O
Push Open Push CF CARD
WS-10
EC-04 EC-04A EC-04B 2 m 5 m 10 m EC-04C 30 m +5 m EC-04D 50 m +5 m EC-04E 100 m +5 m
1 8 2 8 CP-11 ON ON 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 CP-10 ON 1 8 2 6 ON 1 2 3 4 5 6 7 8 1 2 3 4 5 6
RS-232-C USB
Start Stop Store Mode Pause Cont Menu A C FLAT Fast Slow Page Up / Down Menu Down Page Up Range Recall Recall data Cal adj Freq Light Print Cal NL-22 Power SOUND LEVEL METER <Memory> Card format : Off 5 5 <Time setting> Date y / m / d : 2000 / 12 / 25 Time : 11 : 22 : 33 5/5 <Memory> Manual data clear : Off 5 5 <Time setting> Date y / m / d : 2000 / 12 / 25 Time : 11 : 22 : 33 5/5
Start Stop Store Mode Pause Cont A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Freq Light Light Print Cal NL-22 Power SOUND LEVEL METER <I O> 3 5 LCD Contrast : Baud rate : 4800 Index : 255 Comp. Level : Off Output AC/DC : AC Light Auto Off : 5min 3/5 Light Auto Off LCD 5 min / Cont. OFF
Start Stop Store Mode Pause Cont Menu A C FLAT Fast Slow Page Up / Down Menu Down Page Up Range Recall Recall data Cal adj Freq Light Print Cal NL-22 Power SOUND LEVEL METER <I O> 3 5 LCD Contrast : Baud rate : 4800 Index : 255 Comp. Level : Off Output AC/DC : AC Light Auto Off : 5min LCD Contrast 3/5
<System> Meas. time : 10min Back Erase : Off Cal Mode : Internal Filter : Off 1 5 Cal Mode 1/5 INT Cal 114 db 30 INT Cal 114dB 120 30 120 114.0 db Cal LC
Start Stop Store Mode Pause Cont Menu A C FLAT Fast Slow Page Up / Down Menu Down Page Up Range Recall Recall data Cal adj Freq Light Print Cal Cal NL-22 Power SOUND LEVEL METER <System> Meas. time : 10min Back Erase : Off Cal Mode : External Filter : Off 1 5 Cal Mode 1/5
EXT Cal 30 EXT Cal 120 30 120 Cal NC-74 1/2NC-74-002 NC-74 NC-72A NC-72A 1/2
NL-22 NL-32 NC-74 93.9 db 94.0 db NC-72A NC-72A
m Auto E Card 20 Start 80 Fast m 11/15 12:34:55 Leq : 55.5 L05 : 59.7 LE : 65.4 L10 : 57.8 Lmax: 78.9 L50 : 55.4 Lmin : 42.3 L90 : 52.1 LCeq: 58.9 L95 : 50.0 A Fast Auto Card LIST 80 m A Fast Auto Card 10 20s 59.1 T-L
<System> Meas. time : 10min Back Erase : Off Cal Mode : Internal 1 5 1/5
<Store> Store mode : Manual File name : MAN_1234 2 5 Store Mode File name 2/5
<Display> Leq : On LN : Off LE : On LN : Off Lmax: On LN : On Lmin : On LN : Off LCpk : Off LN : Off LIST : On T-L : On 4/5 4 5 Leq LE Lmax Lmin LCpk LIST LN T-L
<Memory> Card format : Off 5 5 <Time setting> Date y / m / d : 2000 / 12 / 25 Time : 11 : 22 : 33 5/5 On / Off <Memory> Card format : On 5 5 On All data clear? 0.5 All data clear? OK Start Cancel Pause 5/5
<Memory> Manual Data Clear : On All data clear? 0.5 OK Start Cancel Pause 5/5 5 5 Manual Data Clear On All data clear?
Start Stop Store Mode Pause Cont A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj SOUND LEVEL METER NL-22 Ver 0.0 RION CO.,LTD. Freq Light Print Cal NL-22 Power SOUND LEVEL METER Power See You
SOUND LEVEL METER NL-22 RION CO.,LTD. Start Stop Store Mode Pause Cont Pause / Cont A/C/FLAT A C FLAT Fast Slow Fast/Slow Menu Down Page Up Range Recall Recall data Cal adj Range Freq Light Print Cal NL-22 Power SOUND LEVEL METER Power
m Auto Fast / Slow 20 80 Fast A/C/FLAT m Manu 30 120 Un Fast Ov
m Auto 30 120 Fast
m Auto Fast/Slow 20 80 Fast A/C/FLAT m Manu 30 120 Un Fast Ov
Start Stop Store Mode Pause Cont Pause / Cont A/C/FLAT Menu Page Up / Down Menu A C FLAT Fast Slow Down Page Up A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Freq Light Print Cal NL-22 Power SOUND LEVEL METER Fast / Slow Range Power <System> Meas. time : 10min Back Erase : Off Cal Mode : Internal Filter : Off 1 5 1/5
<Display> Leq: On LN :Off LE : On LN : Off Lmax: On LN : On Lmin : On LN : Off LCpk : Off LN : Off LIST:On T-L :On 4 5 L eq On 4/5 m Manu E 20 Start 80 Fast
E 80 m A Fast Manu 10 20s 59.1 m Manu 30 120 Un Fast eq Ov
m Auto Fast/Slow 20 80 Fast A/C/FLAT m Manu 30 120 Un Fast Ov
Start Stop Store Mode Pause Cont Pause / Cont A/C/FLAT Menu Page Up / Down Menu A C FLAT Fast Slow Down Page Up A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Freq Light Print Cal NL-22 Power SOUND LEVEL METER Fast / Slow Range Power <System> Meas. time : 10min Back Erase : Off Cal Mode : Internal Filter : Off 1 5 1/5
<Display> Leq : On LN : Off LE : On LN : Off Lmax: On LN : On Lmin : On LN : Off LCpk : Off LN : Off LIST:On T-L :On 4 5 L E On 4/5 m Manu E 20 Start 80 Fast
E 80 m A Fast Manu 10 20s 59.1 m Manu 30 120 Un Fast Ov
m Auto Fast/Slow 20 80 Fast A/C/FLAT m Manu 30 120 Un Fast Ov
Start Stop Store Mode Pause Cont Pause / Cont A/C/FLAT Menu Page Up / Down Menu A C FLAT Fast Slow Down Page Up A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Freq Light Print Cal NL-22 Power SOUND LEVEL METER Fast / Slow Range Power <System> Meas. time : 10min Back Erase : Off Cal Mode : Internal Filter : Off 1 5 1/5 <Display> Leq : On LN : Off LE : On LN : Off Lmax: On LN : On Lmin : On LN : Off LCpk : Off LN : Off LIST:On T-L :On 4 5 L max L min On 4/5
m Manu E 20 Start 80 Fast
E 80 m A Fast Manu 10 20s 59.1 m Manu 30 120 Un Fast max Ov
m Auto Fast/Slow 20 80 Fast A/C/FLAT m Manu 30 120 Un Fast Ov
Start Stop Store Mode Pause Cont Pause / Cont A/C/FLAT Menu Page Up / Down Menu A C FLAT Fast Slow Down Page Up A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Freq Light Print Cal NL-22 Power SOUND LEVEL METER Fast / Slow Range Power <System> Meas. time : 10min Back Erase : Off Cal Mode : Internal Filter : Off 1 5 1/5
<Display> Leq : On LN : Off LE : On LN : Off Lmax: On LN : On Lmin : On LN : Off LCpk : Off LN : Off LIST:On T-L :On 4/5 4 5 L N L N On L N 1 99 m Manu E 20 Start 80 Fast
E 80 m A Fast Manu 10 20s 59.1
Auto AFast 10/01 21:59:38 LE : 55.5 L10 : 50.6 Lmax: 53.6 L50 : 47.3 Lmin : 42.3 L90 : 47.0 L95 : 46.7 On L N m Manu 30 120 Un Fast Ov
<System> Meas. time : 10min Back Erase : Off Cal Mode : Internal Filter : Off 1 5 1/5
Auto 30 120 Un Fast Ov
E 80 m A Fast Manu 10 20s 59.1 80 db 90 db 100 db 110 db 120 db 130 db C db db db db 91 101 111 121 131 141 55 55 55 55 55 55 91 101 111 121 131 141 60 60 60 60 60 60 NL-22 / NL-32 Peak
<System> Meas. time : 10min Back Erase : Off Cal Mode : Internal Filter : Off 1 5 Back Erase 1/5 ON Auto E Card 20 80 Fast
E 80 m A Fast Manu 10 20s 59.1
m Manu Card 20 80 Card Fast
<Store> Store mode : Manual File name : MAN_1234 2 5 Store Mode File name 4 2/5 Data No. Fast / Slow Manu Card 20 80 Fast A/C/FLAT
m Manu 20 80 Data No. Fast
Recall Fast Manu 11 / 25 10:33:55 Data No.
1 MAN_0001 01/20 MAN_0002 01/25 12 15 12 15 Memory left 3244k OK Recall Close Pause
<Memory> Card format : On 5 5 On All data clear? 0.5 All data clear? OK Start Cancel Pause 5/5
Start Stop Store Mode Pause Cont A C FLAT Fast Slow Recall Recall Data Menu Down Page Up Range Recall Recall data Cal adj Freq Light Print Cal NL-22 Power SOUND LEVEL METER Power <Store> Store mode : Auto1 File name : AU1_1234 2 5 Store Mode File name 2/5
h Auto Au to 1 St ore St andby File name : AU1_0200 M.Time : 10sec Start : 12 / 10 08 : 30 : 00 Stop : 12 / 11 08 : 30 : 00 Auto Samp.100msec Timer standby Auto 1
Timer mode measurement is completed Push any Key m Auto Card 20 80 Fast 100MS 100 200 2 Auto Card 20 80 Fast 100MS
1 AU1_1100 01 20 12:15 MAN_0001 01 20 13:10 AU2_0001 01 22 15:00 AU1_0002 01 23 08:30 Memory left 3244k OK Recall Close Pause
Start Stop Store Mode Pause Cont A C FLAT Fast Slow Recall Recall Data Menu Down Page Up Range Recall Recall data Cal adj Freq Light Print Cal NL-22 Power SOUND LEVEL METER Power <Store> Store mode : Auto 2 Leq File name : AU2_1234 2 5 Store Mode File name 2/5
Meas. time Meas. time 1 2 Interval Interval
Fast/Slow Auto Store 20 80 Fast A/C/FLAT
h Auto Auto 2 Store Standby File name : AU2_0123 M.Time : 1min Start:01/02 10:00:00 Stop : 01 / 04 15 : 00 : 00 Interval : 5min Timer standby Auto 2
Ti mer mode measurement is completed Push any Key
1 MAN_0001 01 20 13:10 AU2_0001 01 22 15:00 Memory left 3244k OK Recall Close Pause
<Store> Store mode : TimerAuto1 File name : AU1_1234 Auto1 Samp. : 100msec Start : 11 / 22 10:00:00 Stop : 11 / 21 10:00:00 2 5 2/5
MAN_1234 MAN_0000.rnd 100 CSV
Address,Time,Measurement Time,LAeq,LAE,LAmax,LAmin,LA05,LA10,LA50,LA90,LA95,*, Over,Under,Pause 1,2001/02/27 12:34:06, 0:00:10, 36.5, 49.4, 48.6, 30.3, 41.6, 40.2, 31.3, 30.8, 30.7, 0.0,-,-,- 2,2001/02/27 12:34:16, 0:00:10, 35.9, 50.1, 38.9, 37.8, 45.6, 42.6, 39.3, 37.7, 35.3, 0.0,-,-,- 3,2001/02/27 12:34:26, 0:00:10, 33.3, 52.5, 42.4, 36.4, 42.5, 38.3, 35.6, 33.1, 32.2, 0.0,-,-,- 4,2001/02/27 12:34:36, 0:00:10, 40.1, 44.4, 47.4, 35.5, 40.6, 38.8, 37.5, 33.8, 30.7, 0.0,-,-,- 5,2001/02/27 12:34:46, 0:00:10, 38.5, 56.4, 58.6, 30.3, 52.9, 50.2, 41.7, 35.3, 32.6, 0.0,-,-,- 6,2001/02/27 12:34:56, 0:00:10, 44.5, 46.4, 49.9, 30.6, 43.3, 40.7, 36.5, 33.3, 31.1, 0.0,-,-,-
10 1 0.1 0.01 V rms 0.001 100 10-90 -80-70 -60-50 -40-30 -20-10 FS +10 db FS
3.0 2.5 2.0 V 1.5 1.0 0.5 0-90 -80-70 -60-50 -40-30 -20-10 FS +10 db FS
EC-04 EC-04A EC-04B 2 m 5 m 10 m EC-04C 30 m +5 m EC-04D 50 m +5 m EC-04E 100 m +5 m
Start Stop Store Mode Pause Cont Menu Page Up / Down Menu A C FLAT Fast Slow Down Page Print Up A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Freq Light Print Cal NL-22 Power SOUND LEVEL METER Power <System> Meas. time : 10min Back Erase : Off Cal Mode : Internal Filter : Off 1 5 1/5
m Manu 20 100 Fast
Manu Data No. Fast 01 29 14:25:30 1/3oct 1kHz Manual
MAN_0001 01 20 AU1_1100 AU2_0001 01 01 20 22 AU1_0002 01 23 1 13:10 12:15 15:00 08:30 Memory left 3244k OK Recall Close Pause
Data No. m Auto Card 01 31 14:25:30 Fast 100 ms Auto 1
MAN_0001 01 20 AU1_1100 AU2_0001 01 01 20 22 AU1_0002 01 23 1 13:10 12:15 15:00 08:30 Memory left 3244k OK Recall Close Pause <Store> Store mode : Auto2 Leq File name : AU2_1234 2 5 Store Mode 2/5
Data No. m Auto Card 01 29 14:25:30 Fast Peq Auto 2 Off
50 db -6 db
20 E Start Auto Card 110 Fast 110 db 100 db 90 db 80 db 70 db 60 db 50 db
Start Stop Store Mode Pause Cont A C FLAT Fast Slow Freq Menu Down Page Up Range Recall Recall data Cal adj Freq Light Print Cal NL-22 Power SOUND LEVEL METER Power
Start Stop Store Mode Pause Cont A C FLAT Fast Slow Freq Menu Down Page Up Range Recall Recall data Cal adj Freq Light Print Cal NL-22 Power SOUND LEVEL METER Power
Start Pause Stop Store Mode Cont Push Push Open CF CARD 260 A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Freq Light Print Cal NL-22 Power SOUND LEVEL METER 33 76 AC DC OUT I O POWER
NL-22 NL-32
NL-22 NL-32 NL-22NL-32 3 NL-22 NL-32 NL-22 NL-32 i
ii
... 1... 1... 2... 3... 4... 5... 6... 7... 7... 7... 8... 9... 10... 13 LAeq... 13 LAE... 14 LN... 14 LmaxLmin... 15 LAtm5... 15 Lpeak(... 15... 16... 17... 19 iii
iv
NL-22 UC-52 NL-32 UC-53A 4 1
0º UC-52 # @ * # # # # 0 UC-53A # @ * # # # # 0 2
NL-22NL-32 UC-52!!!! $ % " # @ * # # # ' 0 0 " 0 & 0 0 & # UC-53A!!!! $ % " # # # @ * # ' 0 0 " 0 & 0 # 0 & # 3
UC-52 " @ * "! " # # 0 UC-53A " " @ *! " # # 0 4
UC-52 @ * " "! " # $ % & ' # 0 UC-53A @ * " "! " # $ % & ' # 0 5
UC-52 1 / 2-33 db 0 db=1 V / Pa 10 8000 Hz 19 pf -0.008 db / 250 Hz 0.1 db 250 Hz95%RH φ13.2 12 mm UC-53A 1 / 2-28 db 0 db=1 V / Pa 10 20000 Hz 12 pf +0.005 db / 250 Hz 0.1 db 250 Hz95%RH φ13.2 12 mm 6
B _ E _+ f 0 Zin Cm Hz Ω F + + +? _ I M 0 V Ms V Cc F NH-21 3 GΩ 300 Ω 2 ma 7
EC-04 - + " - + " +! # - + " ) # - + ", # # - + " * - + " - # 123 db 8 khz 100 m! # @ * 5 2 # # # 0 8
AC + + ) @ *! " # $ % ) # # # # 0 A A C 31.5 Hz 8 khz C 9
Erms e2tt NL-22 NL-32 6 6 - H I 10
Fast Slow Fast SlowFast SlowFast Fast Slow Fast Fast Slow Slow Imp 11
. = I J 5 M # I I # I I 1 F K I A! # I # I τ τ CR 4 J + 4 A E + A e i e o e 1 e t A E A J J 12
L Aeq L Aeq ) A G 6 C 6 J F ) J @ J F J t t 1 t 2 T T = t 2 - t 1 p A (t) t A p 0 20 µpa (2 10-5 N m 2 ) NL-22 NL-32 L Aeq ) A G C 5 E F ) E F N NL-22 NL-32 20.8 µs 48000 13
L AE L AE 1 A1 J ) - C F ) J @ J F 6 ) A G C 6 6 J t t 1 t 2 T T = t 2 - t 1 p A (t) t A p 0 20 µpa (2 10-5 N m 2 ) NL-22 NL-32 L AE E ) - C 5 E F ) F N 0 NL-22 NL-32 20.8 µs 48000 L N N% N L N NL-22 NL-32 1 99 1 5 NL-22 NL-32 L N 100 ms10 14
L max L min NL-22 NL-32 20.8 µs L max L min L Atm5 5 L Atm5 Lm: 3 5 N: J C 5 E t 1 t 2 J # J L peak ( 15
10 db 10 db @ * " # $ % & ' @ * 70 db 63 db 7 db 7 db -1 db 70 db+(- 1 db)=69 db 16
WS-10 WS-10 A 25 db 15 db WS-10 12.5 khz 1.0 db! ' & % $ ' # 9 5 & 9 5 @ * ) "! # I ) @ * + % $ # I +! ' & # I % $ I @ * # " # I # 0 # 9 5 17
" @ * " # # # 0 9 5 18
NL-22NL-32 " @ * " # # 0 19
$ " @ * " $ # # # 0 "? $ " @ * " $ # # # %? 0? $? 20
3 20 41 185-8533 TEL042359-7887 FAX042359-7458 1080 192-0915 TEL042632-1122 FAX042632-1140 6 8 7 530-0047 TEL066364-3671 FAX066364-3673 25 13 982-0015 TEL022249-5533 FAX022249-5535 2 3 23 460-0002 TEL052232-0470 FAX052232-0458 5-22 2 812-0025 TEL092281-5366 FAX092291-2847 No. 33610 03-05