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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
