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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
*Power supply: two AA size alkaline batteries （Battery not included in the package） Working Conditions
It has high accuracy press sensor and hardness data is displayed on LED
Range: Moisture 0~70%
5 Volt alkaline batteries（Battery not included in the package）
Smart Sensor AR844 Digital Sound Level Meter Noise Level Meter with Software 30~130dB 31.5HZ~8.5KHZ Hardness Testing Equipment *Power supply: two AA sizeBrand: Graigar Features: AR844 sound level meter can connect with the PC through USB, provides data record downloading, read time data sampling analysis, and printing graph & data function. Auto power off 10 minuteCalendar function Both AC and PWM signal output are available4700 data record function Accuracy up to + 1. 5dBMeasurement range is 30 to 130dB High low speed rate selection Part Number: AR844 Details: Color: White Material: ABS Plastic
