For example hold function and minimum / maximum level. I use it to test the maximum performance of my homemade pneumatic sirens.
π REED Instruments R8050 Sound Level Meter: Type 2, 30-100 & 60-130dB with +/-1.4 dB Accuracy
6 Review
π Handheld Sound Level Meter with LCD Display - Mini Digital Decibel Tester and Alarm (30-130dBA)
4 Review
π DIMMAIRY Decibel Meter: Accurate Sound Level Measurement 30-130dB with Backlight, MAXMIN & Data Hold
3 Review
π Accurate Professional Sound Level Calibrator Decibel Meter with 94dB, 104dB, and 114dB Calibration Levels
3 Review
π² Johnson RAS-1B Johnny Square: Professional Aluminum Rafter Square, 7'', Silver - Top Quality with 1 Square
8 Review
π CAMWAY 6 Inch Digital Caliper with LCD Display, Electronic Vernier Caliper, 150mm Stainless Steel Feeler Gauge, Plastic Digital Caliper Set for Zero Setting Inside/Outside Diameter, Depth, and Step Measurement Tool
3 Review
TV bracket Kromax DIX-18 black
52 Review
β Stainless Steel L-Square, Size 3-Inch x 4-Inch, Zona 37-434
8 Review