HT-90A Mini Portable Sound Level Meter With LCD Screen Display 30~130dB Instrumentation Noise Decibel Monitoring Testers

Features: Comes with windshield sleeve, if you operate when the wind speed exceeds 10m/sec, please sleeve the windshield onto the microphone. With LCD display, easy to read clearly. When "HOLD" is displayed at the top of the screen, this indicates that the function starts. Press the key again to exit from the function. With maximum/minimum value hold key, use conveniently. With tripod hole, make the sound level meter may be fixed on the tripod. Powered by 6F22 type, 9V battery (Not Included). Made of quality material, practical and durable. Compact in size, light in weight, easy to carry and handle. Specification: Model: HT-90A Material: Plastic Color: orange & black Size: 197*58*30mm Frequency range: 31.5Hz~8KHz Response speed: 0.5 seconds Microphone: 1/2 inches polarization capacitance microphone LCD: 3 digits and a half Resolution ratio: 0.1dB Sound level: A-Sound level weight Range: 30~130dB Precision: 1.5dB ( under the reference condition of 94dB and 114dB, 1KHz) Automatic power off: About 16 minutes Energy provision: A 9V battery Energy life: about 50 hours (alkaline battery) Operation temperature: 0~50 Operation humidity: 10%~80%RH Storage temperature: -10~60 Storage humidity: 10%~75%RH Power supply: 6F22 type, 9V battery (Not Included) Package Included: 1 x Sound Level Meter 1 x Instruction Manual Details Pictures: