Please read the following table for sensor specifications. 


Feature

 Detail

Measurement Ranges

Speed A - B, Time A - B, Waveform, Microphone ADC

Accuracy

Speed of sound (±1% air and metal) 

Resolution

Interval 50 μs (software)

Fastest displayed speed

20000 samples per second [50 μs]

Connectivity

Wired via USB

Wireless via Bluetooth

Bluetooth Specifications

Bluetooth 4.2 low energy radio, single mode compliant

Transmit (TX) power: 0 dBm

Receiver (RX) sensitivity: - 90 dBm

Usable transmission range: up to 10 m in open air

Frequency Range: 2.402 to 2.480 GHz operation

Operating range: 0 to 40 ̊C and 0 to 95% RH (non-condensing)

Internal Battery

Rechargeable internal lithium-ion 3.7 V 

Storage/Operating Temperature

0 to 40 ̊C

Humidity

0 to 95% RH (non-condensing)

Physical Specifications

Weight: approx. 80 g

External dimensions: approx. height 33 mm x width 50 mm x length 90 mm


Stethoscope: Diameter 45 mm, single cable length 1.47 m (2.94 m max separation without additional extension).