LUTRON SL4012 数字声级计 (30 - 130 dB)

Range: 30 ~ 130dB
Resolution: 0.1 dB
Frequency: 31.5 Hz ~ 8kHz
Output signal: AC 0.5Vrms, RS232
Output connector: RS232, AC output
Function: Display LCD, Max.hold, AC & DC output, Fast, Slow, Memory, RS232
Operation: 0 ~ 50oC / 80% RH
Source: 9V Battery
Weight: 295g
Size: 268 x 68x 29mm
Accessories: Manuals