Sound Level Meter, Certified

Unit uses a ½-inch condenser microphone. Use the threaded tripod insert for long-term measurements

An individually-numbered Traceable® Certificate provided with each unit, assures accuracy from our ISO/IEC 17025:2005 (1750.01) calibration laboratory accredited by A2LA.  It indicates traceability of measurements to the SI units through NIST or other recognized national measurement institutes (NMI) that are signatories to the CIPM Mutual Recognition Agreement.

Unit is supplied with 9-volt alkaline battery and carrying case. Size 10 x 3 x 1 inches and weight is 9½ ounces. Replacement battery Cat. No. 1112.

• Range 1: low (35.0 to 80.0 dB)
• Range 2: medium (50.0 to 100.0 dB)
• Range 3: high (80.0 to 130.0 dB)
• Resolution 1, 2 & 3: 0.1 dB
• Accuracy 1, 2 & 3: ±2dB
• Response time: fast (0.2 seconds), slow (1.5 seconds)
• 1-year warranty