Categories
SPECIFICATIONS:
Type | CASI-120S |
Higher sound pressure sensitivity (1Hz) | 0.9mv/Pa, 0.5Pa-15kPa |
Lower sound pressure sensitivity (1Hz) | 70mv/Pa, 4mPa-200Pa |
Higher sound pressure range (1Hz) | ≥174dB |
Total harmonic distortion (THD) | ≤2%@1Hz/10kPa |
Dynamic range(1Hz) | 4mPa-10kPa (128dB) |
-3dB bandwidth: | 0.008Hz-60Hz(25000 frequency times), 0.0033Hz-220Hz(68000 frequency times) |
Dual output voltage:difference | 1 & 75 times |
Pressure derivative sensitivity( 1Hz): | ≤2mV/Pa/s |
Output voltage range:difference | ±10v(power ±12V)or ±18V(power±24V) |
Zero air pressure offset: | 0.2‰hPa FS |
Zero temperature offset: | ≤0.3%/K,FS |
Zero regression: | auto |
Output impedance: | 2×150Ω,suggest load>10kΩ,capacitance <100nF,inductive <10mH |
Long time stability: | <0.2dB,over 0.5h,>1000h/dB(150℃ dry air) |
Temperature ratio: | 0.1%/k |
Wet ratio: | <0.1dB,100%RH |
Seismic sensitivity: | ≤0.1V/(m/s2)@1Hz,35dB SPL ref. 1 m/s2 |
Magnetic sensitivity: | ≤10dB SPL,50Hz,80A/m |
Self noise level (1Hz): | ≤0.1mPa(0.1Hz-50Hz,14dB SPL,-80dB Pa2/Hz ref 1Pa) |
Self noise voltage(1Hz) | ≤0.023mv(300 times,-110dB/PSD) |
Signal to noise ratio(1Hz): | 118dB |
Operation temperature: | -40℃~+75℃ |
Storage temperature: | -55℃~+85℃ |
Working wet: | 99% non condensation |
Power supply voltage: | ±12V or±24V |
Reverse power supply Protection: | 40V |
Operating current: | ≤20mA@±24V |
Consumption: | ≤0.98W |
Body size: | height 158mm×diameter Ф148mm |
Weight: | 4.7kg |