Section 7 Specifications
1) Model TYPE 6226
2) Description Integrating Sound Level Meter
3) Standards conforms with JIS C 1502, IEC 60651 Type 2, IEC 60804 Type 2
4) Accuracy ±1dB
5) Measuring ranges(JIS) 28 – 130dB(A), 33 – 130dB(C), 38 – 130dB(F)
6) Peak level: 38 – 138dB(A), 55 – 138dB(C), 60 – 138dB(F)
7) Frequency range 20Hz – 8kHz
8) Microphone 7052N 1/2” electret condenser microphone
9) Level range 10dB step, Six stages
20~80dB, 20~90dB, 20~100dB, 20~110dB, 30~120dB,
40~130dB
10) Linearity range 100dB
11)Time weighting FAST, SLOW,IMPULSE
12)Frequency weighting A, C, FLAT
13)Measurement items Lp, Leq, L
a
e, Lmax, Lmin, Lx(L
5
, L
10
, L
50
, L
90
, L
95
), L
c
peak
14)Measurement time 1s,3s,5s,10s,1mim,5min,10min,15min,30min,1h,8h,24h
manual (max.199h 59m 59s)
15)Sampling interval 20.8μs (Leq), 10ms (Lmax, Lmin)
16)Lx Sampling interval 100ms
17)Display LCD with back-light (128×64 dots)
18)Digital display four line, display update: 1s, resolution 0.1dB
19)Warning :Over ;+3dB from upper limited scale
Under;-0.6dB from lower limited scale
20)Bar display display update: 0.1s
21)Battery display four level display of battery condition
22)Built-in memory approximately 10,000 samples. : 1,000 sets of results
23)Built-in calendar year/month/day/ hour:minute:second
Equivalent to +/- 1 minute monthly difference
24)Pause pause, and a function that deletes preceding 3 or 5 sec. Data
25)Calibration signal internal generator (1kHz sine wave)
26)AC output output: 1Vrms (FS),
output impedance: 600Ω,
load impedance > 10kΩ
27)DC output output: 2.5V (FS), 0.25V/10dB,
output impedance: 50Ω,
load impedance > 10kΩ
28)Input/Output for printing, computer control and data transfer.
Interface:RS-232C (asynchronous)
data bits 8 bits
stop bit 1 bit
parity none
baud rate 4800, 9600, 19200 bps
29)Power supply Four 1.5V size-AA batteries or AC adaptor
Consumption current;When AC adaptor is used ;Approx.2.1VA
30)Battery life Alkaline batteries:20 hours, Manganese batteries: 10 hours.
(continuous operation) Use of LCD back-light shortens the life of the batteries
(approximately 1/3).
Built-in backup cell ; Life Approx.4-5 year
31)Operating temperature -10~+50℃
and humidity 30%~90% (without condensation)
32)Size 85(W)×284(H)×46(D) mm
33)Weight 370g (including batteries)