Cirrus CR151A Optimus yellow Class 1 ເຄື່ອງວັດແທກລະດັບສຽງ (20~140 dB)
- Applicable Standards
IEC 61672-1:2013 Class 1
IEC 61672-1:2002 Class 1
IEC 60651:2001 Type 1 I
ANSI S1.4 -1983 (R2006), ANSI S1.43 - 1997 (R2007)
ANSI S1.25:1991
- Microphone: Class 1 MK:224/MK:229 pre-polarized,
- Microphone Preamplifier: MV:200 Removable Preamplifier (All versions)
- Total Measurement Range:
20dB to 140dB RMS Single Range
Noise Floor: <18dB(A) Class 1,
- Frequency Weightings : RMS: A, C, & Z Measured Simultaneously
- Time Weightings: Fast, Slow & Impulse Measured Simultaneously
- Display: High resolution display. Ambient light sensor & illuminated keypad
- Memory: 4GB (B Version), 32GB factory fit option
- AuditStore: Measurement verification data stored in secure memory
- Time History Data Rates (Global settings): 10ms, 62.5ms, 125ms, 250ms, 1/2 sec, 1 sec, 2 sec (User selectable)
- Measurement control: Pause & Back Erase with user selectable duration
- Size: 283mm x 65mm x 30mm
- Weight: 300gms/10oz
- Batteries: 4 x AA Alkaline
- Battery life
Typically 12 hours with Alkaline AA
Typically 20 hours with Lithium AA Non-Rechargeable
Battery life is dependent upon the battery type, quality & screen brightness
- Connections
USB Type B to PC
AC & DC Output via ZL:174 (2 x Phono, 1m)
Multi-pin IO for external power via ZL:171 cable (2.1mm socket)
External Power: 5v-15v via MultiIO socket via ZL:171 cable (2.1mm socket)
- Tripod Mount: 1/4" Whitworth socket
- Case: Material: High Impact ABS-PC with soft touch back & keypad
- Environmental
Temperature: Operating -10°C to +50°C, Storage -20°C to +60°C
Humidity: Up to 95% RH Non Condensing
- Displayed Functions: LXY, LXYMax, LXYMin, Measurement Run Time
- Stored functions: LxyMax & time history of LxyMax
where x=A, C or Z
y=F, S or I
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ