Digital Sound Level Meter (Model No. HVO-9351-130) Microscope Accessories We provide a wide range

We provide a wide range of CO2 incubators

30mm jaw opening

Ba : (all meq values are claimed with appropriate dilution)

Measure step height and gap width

Digital Sound Level Meter (Model No. HVO-9351-130) Microscope Accessories We provide a wide rangeDigital Sound Level Meter Specification: Measuring range: 30~130dB Accuracy: 2dB Resolution: 0. 1 dB Sampling time: 0. 5s for digital; 0. 005s for analogue Response time: fast: 125ms; slow: 1s Frequency: 30Hz~8KHz Frequency weighting: A C Microphone: electret condenser type Output: RS232, AC DC Power supply: 6xAAA batteries Dimension: 265x80x69mm Weight: 317g Features: Automatically select best range: 30 80dB, 40 90dB, 50 100dB,60 110dB, 70 120dB,80