US 
CAN - en Order #: MX2001-01-TI
Mfg #: MX2001-01-TI
Onset HOBO Data Loggers MX2001-01-TI
Order #: MX2001-01-TI
Mfg #: MX2001-01-TI
Product Highlights
The logger dramatically simplifies and lowers the cost of field data collection by providing wireless access to high-accuracy water level and temperature measurements right from a mobile phone or tablet. The MX2001 logger consists of a top-end unit and a water level sensor which are sold as a set, plus a direct read cable to connect them. Cables can be ordered in lengths from 0.2 to 500m for deployment in a wide range of wells.
- Titanium - 9 Meter (30') range
- Wireless data offload to mobile devices using Bluetooth Low Energy
- Integrated barometric pressure sensor enables direct water level readout
- Direct read cable connects sensor to top-end logger/transmitter
- The cable includes Kevlar strength member
- Cables are interchangeable so loggers are easy to redeploy in future applications
- The logger and sensor add 0.39 meters to the length of the cable
- Cable length can vary up to 3% from the length ordered
- Reference water level can be entered at the start of the deployment
- Use HOBOmobile for setup, data viewing and data sharing
- Powered by two user-replaceable AA batteries in the top-end unit
- Several logging modes: normal, multi-rate logging and event-triggered burst-logging
- Durable ceramic sensor
- Available with stainless steel or titanium sensor ends
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Pressure (Absolute) and Water Level Measurements MX2001-01-S and MX2001-01-Ti-S - 9 Meter (30') range |
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Operation Range |
0 to 207 kPa (0 to 30 psia); approximately 0 to 9 m (0 to 30 ft) of water depth at sea level, or 0 to 12 m (0 to 40 ft) of water at 3,000 m (10,000 ft) of altitude |
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Factory Calibrated Range |
69 to 207 kPa (10 to 30 psia), 0° to 40°C (32° to 104°F) |
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Burst Pressure |
310 kPa (45 psia) or 18 m (60 ft) depth |
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Water Level Accuracy* |
Typical error: ±0.05% FS, 0.5 cm (0.015 ft) water |
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Raw Pressure Accuracy** |
±0.3% FS, 0.62 kPa (0.09 psi) maximum error |
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Resolution |
<0.02 kPa (0.003 psi), 0.21 cm (0.007 ft) water |
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Pressure Response Time (90%)*** |
1 second at a stable temperature |
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Pressure (Absolute) and Water Level Measurements MX2001-02-S - 30 Meter (100') range |
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Operation Range |
0 to 400 kPa (0 to 58 psia); approximately 0 to 30.6 m (0 to 100 ft) of water depth at sea level, or 0 to 33.6 m (0 to 111 ft) of water at |
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Factory Calibrated Range |
69 to 400 kPa (10 to 58 psia), 0° to 40°C (32° to 104°F) |
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Burst Pressure |
500 kPa (72.5 psia) or 40.8 m (134 ft) depth |
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Water Level Accuracy* |
Typical error: ±0.05% FS, 1.5 cm (0.05 ft) water |
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Raw Pressure Accuracy** |
±0.3% FS, 1.20 kPa (0.17 psi) maximum error |
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Resolution |
0.04 kPa (0.006 psi), 0.41 cm (0.013 ft) water |
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Pressure Response Time (90%)*** |
1 second at a stable temperature |
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Pressure (Absolute) and Water Level Measurements MX2001-03-S - 76 Meter (250') range |
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Operation Range |
0 to 850 kPa (0 to 123.3 psia); approximately 0 to 76.5 m (0 to 251 ft) of water depth at sea level, or 0 to 79.5 m (0 to 262 ft) of water at 3,000 m (10,000 ft) of altitude |
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Factory Calibrated Range |
69 to 850 kPa (10 to 123.3 psia), 0° to 40°C (32° to 104°F) |
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Burst Pressure |
1,200 kPa (174 psia) or 112 m (368 ft) depth |
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Water Level Accuracy* |
Typical error: ±0.05% FS, 3.8 cm (0.125 ft) water |
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Raw Pressure Accuracy** |
±0.3% FS, 2.55 kPa (0.37 psi) maximum error |
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Resolution |
<0.085 kPa (0.012 psi), 0.87 cm (0.028 ft) water |
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Pressure Response Time (90%)*** |
1 second at a stable temperature |
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Pressure (Absolute) and Water Level Measurements MX2001-04-S and MX2001-04-Ti-S - 4 Meter (13') range |
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Operation Range |
0 to 145 kPa (0 to 21 psia); approximately 0 to 4 m (0 to 13 ft) of water depth at sea level, or 0 to 7 m (0 to 23 ft) of water at 3,000 m (10,000 ft) of altitude |
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Factory Calibrated Range |
69 to 145 kPa (10 to 21 psia), 0° to 40°C (32° to 104°F) |
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Burst Pressure |
310 kPa (45 psia) or 18 m (60 ft) depth |
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Water Level Accuracy* |
Typical error: ±0.075% FS, 0.3 cm (0.01 ft) water |
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Raw Pressure Accuracy** |
±0.3% FS, 0.43 kPa (0.063 psi) maximum error |
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Resolution |
<0.014 kPa (0.002 psi), 0.14 cm (0.005 ft) water |
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Pressure Response Time (90%)*** |
<1 second at a stable temperature |
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Barometric Pressure (MX2001-TOP) |
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Operation and Calibrated Range |
66 to 107 kPa (9.57 to 15.52 psia); -20° to 50°C (-4° to 122°F) |
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Accuracy |
±0.2 kPa (±0.029 psi) over full temperature range at fixed pressure; maximum error ±0.5% FS |
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Water Level Accuracy* |
Typical error: ±0.075% FS, 0.3 cm (0.01 ft) water |
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Resolution |
0.01 kPa (0.0015 psi) |
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Response Time |
1 second at stable temperature |
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Stability (Drift) |
0.01 kPa (0.0015 psi) per year |
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Temperature Measurements (All Sensor End Models MX2001-0x-S and MX2001-0x-Ti-S) |
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Operation Range |
-20° to 50°C (-4° to 122°F) |
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Accuracy |
±0.44°C from 0° to 50°C (±0.79°F from 32° to 122°F), see Plot A |
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Resolution |
0.1°C at 25°C (0.18°F at 77°F), see Plot A in manual |
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Response Time (90%) |
5 minutes in water (typical) |
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Stability (Drift) |
0.1°C (0.18°F) per year |
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Logger |
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Operation Range |
-20° to 50°C (-4° to 122°F) |
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Radio Power |
1 mW (0 dBm) |
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Transmission Range |
Approximately 30.5 m (100 ft) line-of-sight |
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Wireless Data Standard |
Bluetooth Low Energy (Bluetooth Smart) |
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Logging Rate |
1 second to 18 hours |
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Logging Modes |
Fixed interval, multiple intervals with up to 8 user-defined logging intervals and durations, or event-triggered burst |
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Memory Modes |
Wrap when full or stop when full |
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Start Modes |
Immediate, date & time, or next interval |
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Stop Modes |
When memory full, stop with HOBOmobile, date & time, or after a set logging period |
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Time Accuracy |
±1 minute per month 0° to 50°C (32° to 122°F) |
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Battery |
Two AA, 1.5 V alkaline batteries, user replaceable |
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Battery Life |
1 year, typical with logging interval of 1 minute. Faster logging and/or statistics sampling intervals, entering burst logging mode, excessive readouts, checking of Full Status Details, and remaining connected with HOBOmobile will impact battery life. |
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Memory |
256 KB memory (30,000 sets of measurements) |
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Full Memory Download Time |
Approximately 2 minutes; may take longer the further the device is from the top end of the logger |
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Dimensions |
Top end (MX2001-TOP): 2.54 cm (1.0 inches) diameter, 28.9 cm (11.4 inches) length; mounting hole 7.6 mm (0.3 inches) diameter Sensor end (MX2001-0x-S and MX2001-0x-Ti-S: 2.54 cm (1.0 inches) diameter, 9.91 cm (3.9 inches) length Note: The length of the water level logger cable (CABLE-DR-xxx) can vary ±3% from the length ordered. The logger adds 38.8 cm (15.3) inches to the length of the cable ordered. |
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Weight |
Top end (MX2001-TOP): Approximately 136 g (4.78 oz) in air Stainless sensor end (MX2001-0x-S): Approximately 106 g (3.74 oz) in air; approximately 53.9 g (1.9 oz) in fresh water Titanium sensor end (MX2001-0x-Ti-S): Approximately 80 g (2.83 oz) in air; approximately 37 g (1.3 oz) in fresh water |
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Wetted Materials |
Top end (MX2001-TOP): Acetal housing, Polycarbonate end caps, Polycarbonate collar nut; Viton and Buna-N O-rings Stainless sensor end (MX2001-0x-S): Acetal housing, PVC end cap, Polycarbonate collar nut; Viton and Buna-N O-rings; ceramic sensor in stainless steel end cap Titanium sensor end (MX2001-0x-Ti-S): Acetal housing, PVC end cap, Polycarbonate collar nut; Viton and Buna-N O-rings; ceramic sensor in Titanium end cap |
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Environmental Rating |
NEMA 6, IP67 (top end) |
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The CE Marking identifies this product as complying with all relevant directives in the European Union (EU). |
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*Water Level Accuracy: With accurate reference water level measurement, known water density, and a stable temperature environment. System Water Level Accuracy equals the sum of the Barometric Water Level Accuracy plus the selected sensor end Water Level Accuracy.
**Raw Pressure Accuracy: Absolute pressure sensor accuracy includes all sensor drift, temperature, and hysteresis-induced errors.
***Changes in Temperature: Allow 20 minutes in water to achieve full temperature compensation of the pressure sensor. There can be up to 0.5% of additional error due to rapid temperature changes. Measurement accuracy also depends on temperature response time.