Triplett 3550 专业紧凑型声级计 (30 ~ 130dB)

Measurement Range: 30 to 130dB

Accuracy: ±1.5dB (94dB@1kHz)

Resolution: 0.1dB

Frequency Range: 31.5Hz to 8kHz

Weighting: A and C

Response Time: Fast (125ms)/Slow (1s)

Analog Output: AC and DC

Power: (4) AA batteries or USB

Dimensions: 9.6 x 2.8 x 1.8" (245 x 70 x 45mm)

Weight: 8.5oz. (240g)

Including

SoniChek PRO Professional Sound Level Meter (3550) (1)

Set of AC/DC Output Leads (1)

AA Batteries (4)

USB Cable (1)

Soft Carrying Case (1)

Instruction Manual (1)

Datasheet

Manual