OMEGA MX2501 HOBO MX Bluetooth Low Energy PH and Temperature Data Logger (50 °C, Hangging hole)

Height: 1.68 in

Length: 9 in

Memory: 152 KB

Weight: 9.46 oz

Buoyancy: Fresh water: 0.48 oz Negative

Approvals: CE

Materials: Polycarbonate, TPV

Input Type: Internal

Stop Modes: Button Push, When Memory is Full, At set date and time, At set Duration

Form factor: Hangging hole

Memory Note: Approximately 60 seconds; may take longer the further the device is from the logger

Radio Power: 1 mW

Samples,Max: 43300 Samples, Interval Selectable 1 sec to 18hrs

Start Modes: At set date and time, Button Push, Immediate Start, Next Interval

pH Accuracy: ± 0.10 pH

Battery life: 1 yr, typical with reading interval of 1 min

Memory Modes: stop when full, Wrap when full

Accuracy Note: pH Sensor Accuracy: In pH: ± 0.10 pH units within ± 10°C of temperature at calibration, In mV: ± 0.20 mV

Configuration: HOBOmobile® app Android, iOS

Logging Modes: burst, Fixed interval

RH Resolution: 0.1%, 12 bit

Response Time: Temperature: 7 Min, pH: 1 Min

Time Accuracy: ± 1 minute/month 0° to 50°C

Data Interface: Bluetooth

Resolution Note: Temperature Sensor Resolution: 0.1°C, 14 bit, RH Resolution: 0.1%, 12 bit

Water Detection: 100 µS/cm

Form Factor Note: There are two mounting options:  Attach a nylon cord or other strong cable to the mounting hole to deploy the logger.

Measurement Type: pH, Temperature

Pulse Resolution: Temperature: 0.1°C, 14 bit, Relative Humidity: 0.1%, 12 bit

Enclosure Ratings: IP68

Supply Power Note: One AA 1.5 Volt, user-replaceable

Supply Power Type: Battery

Current Resolution: Temperature: 0.1°C, 14 bit, Relative Humidity: 0.1%, 12 bit

Response Time Note: Temperature: 7 Minutes typical to 90% in stirred water, pH: 1 Minute typical to 90% at constant temperature in stirred water

Transmission Range: 30.5 m

Voltage Resolution: Temperature: 0.1°C, 14 bit, Relative Humidity: 0.1%, 12 bit

Pressure Resolution: Temperature: 0.1°C, 14 bit, Relative Humidity: 0.1%, 12 bit

Temperature Accuracy: ± 0.2 °C

Water Detection Note: Water conductivity level of 100 µS/cm or greater necessary for reliable detection of water. Deionized water or water below 100 µS/cm may not be detected. The water conductivity circuit may not reliably detect water that has frozen around the electrodes, i.e. below 0°C

Additional Features 1: Submersible, Waterproof to 40 m

Battery Size and Type: Alkaline AA

Resistance Resolution: Temperature: 0.1°C, 14 bit, Relative Humidity: 0.1%, 12 bit

Measurement Range Note: pH in mV: -512 to 512 mV

Number of Measurements: 2

Temperature Resolution: 0.1 °C

Water Level Resolution: Temperature: 0.1 °C, 14 bit, Relative Humidity: 0.1%, 12 bit

Operating Temperature Note: -2° to 50°C — non-freezing

Operating Temperature, Max: 50 °C

Operating Temperature, Min: -2 °C

Temperature Measurement, Max: 50 °C

Temperature Measurement, Min: -2 °C

Datasheet