Water Level Sensor
Water Level Sensor
Overview
The MX2001-S Water Level Sensor is used with the HOBO Bluetooth Low Energy Water Level Data Logger (MX2001), the HOBO MicroRX Water Level Stations (RX2103 and RX2104), and the HOBO RX3000 Remote Monitoring Station for accurate water pressure, temperature, and water level measurements. These sensors are available in four depth ranges, as well as in stainless steel or titanium (recommended for use in saltwater).
Highlighted Features
- Non-vented design reduces maintenance
- Durable, ceramic sensor can withstand freezing
- 3-point NIST-traceable calibration certificate
In what environment does this sensor operate?
This sensor operates in an underwater environment.
What measurements does this sensor support?
The MX2001-S sensor supports the following measurements: Barometric Pressure, Water Level, Water Pressure and Water Temperature
| MX2001 | RX2103/4 | RX3000 | |
|---|---|---|---|
| Communications | Bluetooth Low Energy | Cellular | Ethernet, WiFi, Cellular |
| Logger Dimensions | 2.54 cm (1.0 in.) diameter, 28.9 cm (11.4 in.) length |
19.95 x 13.68 x 7.49 cm (7.85 x 5.39 x 2.95 in.) |
18.6 x 18.1 x 11.8 cm (7.3 x 7.1 x 4.7 in.) |
| Smart Sensor Ports | - | 5 | 10 |
| Module Ports | None | 2* | |
| On-Board Barometric Sensor | Yes | With required Water Level Module (RXMOD-W1) | |
| Water Level Sensor (MX2001-S/-Ti) |
Included | Purchased separately | |
| Cable Price | EGP 1,156.72 + EGP 66.10/m | ||
| Logger Price | EGP 9,832.12
Includes Water Level Sensor
|
Starting at EGP 10,575.73/EGP 11,567.21
Needs Water Level Sensor
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Starting at EGP 14,855.60**
Needs Water Level Sensor & Module
|
The country of origin for this product is the United States.
| Pressure (Absolute) and Water Level Measurements MX2001-01-S and MX2001-01-Ti-S | |
| 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 |
| Factory Calibrated Range | 69 to 207 kPa (10 to 30 psia), 0 to 40C (32 to 104F) |
| Burst Pressure | 310 kPa (45 psia) or 18 m (60 ft) depth |
| Water Level Accuracy* | Typical error: 0.05% FS, 0.5 cm (0.015 ft) water Maximum error: 0.1% FS, 1.0 cm (0.03 ft) water |
| Raw Pressure Accuracy** | 0.3% FS, 0.62 kPa (0.09 psi) maximum error |
| Resolution | <0.02 kPa (0.003 psi), 0.21 cm (0.007 ft) water |
| Pressure Response Time (90%)*** | <1 second at a stable temperature |
| Pressure (Absolute) and Water Level Measurements MX2001-02-S | |
| 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 3,000 m (10,000 ft) of altitude |
| Factory Calibrated Range | 69 to 400 kPa (10 to 58 psia), 0 to 40C (32 to 104F) |
| Burst Pressure | 500 kPa (72.5 psia) or 40.8 m (134 ft) depth |
| Water Level Accuracy* | Typical error: 0.05% FS, 1.5 cm (0.05 ft) water Maximum error: 0.1% FS, 3.0 cm (0.1 ft) water |
| Raw Pressure Accuracy** | 0.3% FS, 1.20 kPa (0.17 psi) maximum error |
| Resolution | <0.04 kPa (0.006 psi), 0.41 cm (0.013 ft) water |
| Pressure Response Time (90%)*** | <1 second at a stable temperature |
| Pressure (Absolute) and Water Level Measurements MX2001-03-S | |
| 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 |
| Factory Calibrated Range | 69 to 850 kPa (10 to 123.3 psia), 0 to 40C (32 to 104F) |
| Burst Pressure | 1,200 kPa (174 psia) or 112 m (368 ft) depth |
| Water Level Accuracy* | Typical error: 0.05% FS, 3.8 cm (0.125 ft) water Maximum error: 0.1% FS, 7.6 cm (0.25 ft) water |
| Raw Pressure Accuracy** | 0.3% FS, 2.55 kPa (0.37 psi) maximum error |
| Resolution | <0.085 kPa (0.012 psi), 0.87 cm (0.028 ft) water |
| Pressure Response Time (90%)*** | <1 second at a stable temperature |
| Pressure (Absolute) and Water Level Measurements MX2001-04-S and MX2001-04-Ti-S | |
| 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 |
| Factory Calibrated Range | 69 to 145 kPa (10 to 21 psia), 0 to 40C (32 to 104F) |
| Burst Pressure | 310 kPa (45 psia) or 18 m (60 ft) depth |
| Water Level Accuracy* | Typical error: 0.075% FS, 0.3 cm (0.01 ft) water Maximum error: 0.15% FS, 0.6 cm (0.02 ft) water |
| Raw Pressure Accuracy** | 0.3% FS, 0.43 kPa (0.063 psi) maximum error |
| Resolution | <0.014 kPa (0.002 psi), 0.14 cm (0.005 ft) water |
| Pressure Response Time (90%)*** | <1 second at a stable temperature |
| Barometric Pressure (RX2103 and RX2104 station) | |
| Operation Range | 66 to 107 kPa (9.57 to 15.52 psia) |
| Temperature Calibrated Range | -20 to 50C (-4 to 122C) |
| Accuracy | 0.2 kPa (0.029 psi) over full temperature range at fixed pressure; maximum error 0.5% FS |
| Water Level Accuracy* | Typical error: 0.075% FS, 0.3 cm (0.01 ft) water Maximum error: 0.15% FS, 0.6 cm (0.02 ft) water |
| Resolution | <0.01 kPa (0.0015 psi) |
| Response Time | <1 second at stable temperature |
| Stability (Drift) | <0.01 kPa (0.0015 psi) per year |
| Temperature (Water Level Sensors MX2001-0x-S and MX2001-0x-Ti-S) | |
| Operation Range | -20 to 50C (-4 to 122F) |
| Accuracy | 0.44C from 0 to 50C (0.79F from 32 to 122F), see Plot A |
| Resolution | 0.1C at 25C (0.18F at 77F), see Plot A |
| Response Time (90%) | 5 minutes in water (typical) |
| Stability (Drift) | 0.1C (0.18F) per year |
* 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 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.
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