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Monitoring Solutions for Water, Indoor, Outdoor, & Agriculture
Designed for long-term monitoring of pH in aquatic systems, this compact and durable logger can be deployed in both fresh and saltwater environments. It features a replaceable pH electrode, anti-biofouling copper guard and is Bluetooth® Low Energy-enabled for wireless communication with a mobile device. Dramatically cuts the time and effort needed to collect field data.
Designed for long-term monitoring of pH in aquatic systems, this compact and durable logger can be deployed in both fresh and saltwater environments. It features a replaceable pH electrode, anti-biofouling copper guard and is Bluetooth® Low Energy-enabled for wireless communication with a mobile device. Dramatically cuts the time and effort needed to collect field data.
This pH and temperature logger is designed for long-term monitoring of pH in aquatic systems. With a replaceable pH electrode and anti-biofouling copper guard, this durable logger can be deployed in both fresh and salt water environments. This logger is Bluetooth® Low Energy-enabled for wireless communication with a mobile device. Using the HOBOmobile® app, you can easily calibrate and configure the logger, download logged data to your phone or tablet, or automatically upload the data to HOBOlink® for further analysis. You can also configure the logger to calculate statistics, set up alarms to trip at specific thresholds, or enable burst logging in which sensor readings are logged at a faster interval when the pH or temperature rises above or falls below certain limits.
Features
Note: pH electrodes should always be stored in storage solution when not deployed.
Applications
Designed for long-term monitoring of pH in:
| pH Sensor | |
| Range | pH: 2.00 to 12.00 pH mV: -512 to 512 mV |
| Accuracy | pH: ±0.10 pH units within ±10°C of temperature at calibration mV: ±0.20 mV |
| Resolution | pH: 0.01 pH mV: 0.02 mV |
| Response Time | 1 minute typical to 90% at constant temperature in stirred water |
| Temperature Sensor | |
| Range | 28.4 to 122°F (-2 to 50°C) |
| Accuracy | ±0.36°F (±0.2°C) |
| Resolution | 0.04 at 77°F (0.024 at 25°C) |
| Response Time | 7 minutes typical to 90% in stirred water |
| Logger | |
| Operating Range | 28.4 to 122°F (-2 to 50°C) non-freezing |
| Buoyancy | Fresh water: 13.6 g (0.48 oz) negative Salt water: 19.6 g (0.69 oz) negative |
| Waterproof | To 40 m (131.2 ft) |
| Water Detection | Water conductivity level of 100 µS/cm or greater is 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 32°F (0°C) |
| Radio Power | 1 mW (0 dBm) |
| Transmission Range | Approximately 30.5 m (100 ft) line-of-sight in air |
| Wireless Data Standard | Bluetooth Low Energy (Bluetooth Smart) |
| Logging Rate | 1 second to 18 hours |
| Modes | Logging: Fixed interval (normal, statistics) or burst Memory: Wrap when full or stop when full Start: Immediate, push button, date & time, or next interval Stop: When memory is full, push button, date & time, or after a set logging period |
| Time Accuracy | ±1 minute per month 32 to 122°F (0 to 50°C) |
| Battery | AA 1.5 Volt, user-replaceable |
| pH Electrode Life | 6 months |
| Memory | 152 KB (43,300 measurements, maximum) Full download time: Approximately 60 seconds; may take longer the farther the mobile device is from the logger |
| Wetted Materials | Logger: PVC housing and sensor end cap, polycarbonate closure caps and mounting end cap with a TPE switch pH Electrode: plastic-bodied with Pellon® junctions and gel electrolyte, glass pH sensor bulb |
| Environmental Rating | IP68 |
| Certifications | CE |
| Dimensions | 9.0 x 1.68" (22.86 x 4.27 cm) |
| Weight | 268.2 g (9.46 oz) |
| pH Sensor | |
| Range | pH: 2.00 to 12.00 pH mV: -512 to 512 mV |
| Accuracy | pH: ±0.10 pH units within ±10°C of temperature at calibration mV: ±0.20 mV |
| Resolution | pH: 0.01 pH mV: 0.02 mV |
| Response Time | 1 minute typical to 90% at constant temperature in stirred water |
| Temperature Sensor | |
| Range | 28.4 to 122°F (-2 to 50°C) |
| Accuracy | ±0.36°F (±0.2°C) |
| Resolution | 0.04 at 77°F (0.024 at 25°C) |
| Response Time | 7 minutes typical to 90% in stirred water |
| Logger | |
| Operating Range | 28.4 to 122°F (-2 to 50°C) non-freezing |
| Buoyancy | Fresh water: 13.6 g (0.48 oz) negative Salt water: 19.6 g (0.69 oz) negative |
| Waterproof | To 40 m (131.2 ft) |
| Water Detection | Water conductivity level of 100 µS/cm or greater is 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 32°F (0°C) |
| Radio Power | 1 mW (0 dBm) |
| Transmission Range | Approximately 30.5 m (100 ft) line-of-sight in air |
| Wireless Data Standard | Bluetooth Low Energy (Bluetooth Smart) |
| Logging Rate | 1 second to 18 hours |
| Modes | Logging: Fixed interval (normal, statistics) or burst Memory: Wrap when full or stop when full Start: Immediate, push button, date & time, or next interval Stop: When memory is full, push button, date & time, or after a set logging period |
| Time Accuracy | ±1 minute per month 32 to 122°F (0 to 50°C) |
| Battery | AA 1.5 Volt, user-replaceable |
| pH Electrode Life | 6 months |
| Memory | 152 KB (43,300 measurements, maximum) Full download time: Approximately 60 seconds; may take longer the farther the mobile device is from the logger |
| Wetted Materials | Logger: PVC housing and sensor end cap, polycarbonate closure caps and mounting end cap with a TPE switch pH Electrode: plastic-bodied with Pellon® junctions and gel electrolyte, glass pH sensor bulb |
| Environmental Rating | IP68 |
| Certifications | CE |
| Dimensions | 9.0 x 1.68" (22.86 x 4.27 cm) |
| Weight | 268.2 g (9.46 oz) |
