Sound level meter, SL-4001

Features-

• Large LCD display, easy to read
• Frequency weighting networks are designed to meet the IEC 651 type 2
• A & C weighting networks are comformity to standards
• Time weighting (FAST & SLOW) dynamic characteristic modes
• AC/DC output for system expansion
• Built-in adj. VR is available for easy calibration
• Condenser microphone for high accuracy & long-term stability
• Max. Hold function for stored the maximum value on dispaly
• Warning indicator for over and under load
• LCD display for low power consumption & clear read-out even in bright
ambient light condition

* Frequency & time weighting meet IEC 61672 class 2.
* A, C weighting, Max. hold, Data hold, fast/slow time weighting, AC/DC output.
* Range : 3 ranges, 30 to 130 dB.
* Size : 245 x 80 x 35 mm.
• Used the durable, long-lasting components, including a strong, light weight
ABS-plastic housing case
• Small and ligh weight design allow one hand operation
• Low battery indicator
• Standard accessories: instruction manual, calibration screw driver