HT HTA102 数字声级计 (30 ÷ 130dB)

SOUND PRESSURE LEVEL (SPL):

Lo: 30 ÷ 80/  Med 50 ÷ 100/ Hi 80 ÷ 130/ Auto 30 ÷ 130/ Hi: 80 ÷ 130: 50dB; ÷1.4dB;  A, C;  31.5Hz ÷8kHz

TIME INTEGRATION:  FAST: 125ms; SLOW: 1s

ANALOGICAL OUTPUT: 

AC 1Vrms respect selected FS 100Ω

DC 10mV/dB 1kΩ

Display and output interfaces: LCD, 4 digits, custom, with backlight and bargraph

Display update: 2/s

Output PC connector: mini USB

Microphone ½” Electret condenser

Recordings: Sample interval selectable within 1s and 59s; Max 32700 recordings saved inside internal memory

Mains supply: 1x9V alkaline battery type IEC 6F22; 30 hours;  

External adapter: 100-240VAC, 50/60Hz, 0.3A / 9VDC, 500mA

Auto Power OFF: after 15min of idleness

Dimensions ( L x W x H): 260 x 65 x 50mm

Weight (with battery): 280g

Mechanical protection: IP40

Accessories

Screwdriver for manual calibration

User manual for mobile calibrator

Tripod;  USB cable; Wind protection; Rigid case