ACO 6238 ເຄື່ອງວັດແທກລະດັບສຽງທີ່ຊັດເຈນ (10Hz ~ 20kHz)
Applicable Standards:
+ JIS C1516：2014 Class 1
+JIS C1509-1：2017 Class 1
+IEC61672-1：2013 Class I
Measurement Range: 10Hz~20kHz
Microphone Type (Sensitivity): TYPE 7146NR (-33dB: Stand-alone -27dB)
Level range control:
+10dB 6 step
+20~80dB, 20~90dB, 20~100dB,
+20~110dB, 30~120dB, 40~130dB
Measurement level:
+A:28～130dB
+C:37～130dB
+Z(FLAT):39～130dB
+C peak:55～141dB
+Z(FLAT)peak:60～141dB
Linearity Range: 100dB
Time weighting: Fast, Slow, Impulse
Frequency weighting: A, C, Z(FLAT)
Measurement time: 1s/3s/5s/10s/1min/5min/10min/15min/30min/1h/8h/12h/24h/Manual(Max. 199h59m59s)
Sampling Time: 20.8μs (Leq, Lmax, Lmin), 100ms(LN)
Data clear Function:
- Pause, and a function that deletes preceding 3 or 5 sec. data
- Memory start; Selectable Auto or Manual
Display:
- Liquid crystal and Backlight(128×64 points)
- Digital display: Display range: 4digit display
- Display cycle: display Period: 1s
- Bar display: Display Period:0.1s
- Warning:
+ Over: +3dB from upper limited scale
+Under: －0.6dB from lower limited scale
- Battery display: Battery 5 steps display
- Date: year/month/day/hour/minute/second
Outputs:
- AC Output: φ2.5Jack
- Output: 1Vrms(FS)
- Output impedance: 600Ω
- Load impedance: more than 10kΩ
- DC Output: φ2.5Jack
- Output: 2.5V(FS), 0.25V/10dB
- Output impedance: 50Ω
- Load impedance: more than 10kΩ
RMS detection circuit: True RMS detection circuit (computing type)
Processing: Digital
Data Storage Functions:
- Sound pressure level or Processed values stored in built-in Memory or Memory card.
- Manual Storage: Sound level, Calculation value, Memory time, Store the Sampling to Built-in memory or on Memory card.
- Auto Storage: Sampling interval 100ms, 200ms, Sound level, Leq etc.
- Processing Card: Storage of calculation results
I/O:
- Direct output to printer, control and output data to computer
- Digital output of real-time noise waveform with USB interface
Comparator Output: Comparator Function with threshold level
Battery Type:
- Four 1.5V Alkaline cells IEC type LR6, Optional AC adapter
- Battery life: Alkaline dry cell ; Approx.9hours when Switch on a back light; Approx. 1/3
- Consumption current: Approx. 150mA (When input 6V) at Calcutation OFF.
Operating temperature: Temperature：-10～50℃
Humidity：30%～90%RH (no condensation)
Size: 86(W) x 285(H) x 46(D)
Weight: Less than Approx.450g (including Batteries)
Contents:
1.Main Body
2.Memory Card(SD Card)
3.1/1 and 1/3-octave Real-time Analysis Card
4.BNC pin cord (only TYPE 6238)
5.Windscreen
6.Batteries
7.Strap
8.Instruction Manual(CD)
9.Carrying Case
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ