Please read the following table for sensor specifications. 



Measurement Ranges

O2 0-150%SAT

O2 0-250%SAT

O2 15mg/L

O2 20mg/L


O2 0-150%SAT, 0.1%SAT

O2 0-250%SAT, 0.1%SAT

O2 15mg/L, 0.01mg/L

O2 20mg/L, 0.01mg/L

Fastest logging speed

20ms (50Hz)


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

Internal Battery

Rechargeable internal lithium-ion 3.7 V

Power specification: 5 V at 500 mA

Storage/Operating Temperature

0 - 40 ̊C


0 to 95% RH (non-condensing)

Physical Specifications

Weight: approx. 68 g

External dimensions: approx. height 33 mm x width 47 mm x length 96 mm