Noise alarm only works at 100dB and cannot go below. The low level signal has no sound, so it can't be used the way I wanted. I want them to point that out. It works great, but setting it up can be confusing due to the lack of buttons.
π Hand-Held Sound Level Meter - Decibel Sound Meter, 30dB to 130dB(A) Range, Backlight Alert, Noise Level Monitor for Home, Office, Job-site
4 Review
π Accurate Professional Sound Level Calibrator Decibel Meter with 94dB, 104dB, and 114dB Calibration Levels
3 Review
π RISEPRO Decibel Meter, Digital Sound Level Meter 30 β 130 dB Audio Noise Measure Device with Backlight, MAX/MIN, Data Hold, Auto Power Off, and Dual Ranges - HT-80A
6 Review
π DIMMAIRY Decibel Meter: Accurate Sound Level Measurement 30-130dB with Backlight, MAXMIN & Data Hold
3 Review
β Stainless Steel L-Square, Size 3-Inch x 4-Inch, Zona 37-434
8 Review
π Johnson Level and Tool 400EM-S 12-Inch Heavy Duty Metal Combination Square for Professionals, with Inch/Metric Measurements, Silver - 1 Square
8 Review
Kapro 307-08-TMS Try And Mitre Layout And Marking Square With Stainless Steel Blade, 8-Inch Length
18 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