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HOBO MicroRX Water Level / Flow Station

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The HOBO MicroRX Water Level Station is a cellular, web-enabled water level monitoring solution for stormwater, floodwater, irrigation, hydrologic, and environmental applications

Part Number: RX210x

Select HOBO Micro RX Level Station (incl. 12 month subscription to HOBOlink) *

Solar powered with 30min logging/6 hr upload - RX2104-SP-611 [+$2,274.00]
Solar powered with 1min logging/10min upload - RX2104-SP-610 [+$2,526.00]
Battery powered with 30min logging/6 hr upload - RX2103-SP-611 [+$2,151.00]
Battery with 1min logging/10min upload - RX2103-SP-610 [+$2,403.00]

OneTemp SIM Plan for 12 Months *

Telstra Network 4G Cat M1 SIM [+$150.00]

Select Level Sensor *

Select Lead Length *

Optional Tripod Mounting

Optional Rain Gauge

Add Tipping Bucket Rain Gauge - S-RGF-M002 [+$580.00]

Well Cap

Add Well Cap - WELL-CAP-02 [+$159.00]

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Overview
Videos
HOBOlink
Specifications
Sensors
FAQ's

The new cellular, web-enabled HOBO® MicroRX station is partnered with Onset’s own water level sensor to deliver water level and flow monitoring data to cloud-based HOBOlink® software.

The HOBO MicroRX Water Level Station is a cellular, web-enabled water level monitoring solution for stormwater, floodwater, irrigation, hydrologic, and environmental applications. Pre-programmed water flow formulas for select weirs, flumes, and a stage discharge table result in an easy and intuitive configuration.

New water flow and accumulated rainfall calculations, which are performed directly on the station at time of measurement, trigger immediate notifications of critical water level conditions.

The compact and durable station, together with the non-vented water level sensor, enables harsh condition deployments and reliable monitoring. The optional integrated solar panel or battery power, with a wide range of plug-and-play smart sensors, supports flexible environmental monitoring.

Spend more time focusing on results, and less time on configuration and data access.

Key Advantages:

Eliminate complicated manual calculations with pre-programmed water flow formulas
Act quickly in response to alarms triggered at time of measurement for water flow and accumulated rainfall
Reduce maintenance visits with the non-vented water level sensor
Deploy in harsh conditions with the tough, compact station
Monitor multiple environmental parameters with the flexibility of Onset’s suite of smart sensors

Reliable Water Level Monitoring

With a tough, compact station and a reliable water level sensor, you can monitor water level in the harshest conditions.

Highlighted Features

Station-side alarms for water flow and accumulated rainfall triggered at time of measurement
Non-vented ceramic water level sensor with a choice of four ranges
Interchangeable, Kevlar-reinforced water level sensor cables
Integrated barometric pressure sensor
Compact IP66/NEMA 4X enclosure
Built-in LCD confirms proper setup and operation
Two power options:
- Integrated 1.7 W solar panel with rechargeable battery pack
  - 5 W and 15 W external solar panels can be added (RX2104 only)
- User-replaceable AA lithium batteries
Inputs for five plug-and-play smart sensors
Up to 10-minute connections rates via 4G cellular data plans
Cloud-based monitoring and data access through HOBOlink

Applications

Stormwater Monitoring: Supports requirements for federal and state industrial permits, on-site inspections, and wetlands monitoring.
Floodwater Mitigation: Provides an alert system for potential flooding situations from storm events and high water levels.
Irrigation Control: Delivers accurate water usage data for conservation, water use records, and water rights issues.
Hydrological Studies: Monitors surface water systems and aquifers to support water quality and environmental studies.

Environmental Protection 2020 New Product of the Year

Environmental Protection online has honored Onset’s HOBO MicroRX Water Level Station as the 2020 New Product of the Year Award winner in the stormwater category. The HOBO MicroRX delivers water level and flow monitoring data to cloud-based HOBOlink software and lets the user spend more time focusing on results, and less time on configuration and data access.

Whats in the Box?

HOBO RX2100 MicroRX Station
Grease packet
Cable ties
Screws and washers
Six AA lithium batteries (RX2103 battery-powered station)
Battery pack (RX2104 solar-powered station)

HOBO Water Level and Flow Monitoring Station

Learn about the NEW HOBO® MicroRX Water Level Station! This exciting new product partners our new cellular, web-enabled MicroRX station with our own water level sensor to deliver water level and flow monitoring data to cloud-based HOBOlink® software. In this video, you'll learn how to: - Eliminate complicated manual calculations with pre-programmed water flow formulas - Act quickly in response to alarms triggered at time of measurement for water flow and accumulated rainfall - Reduce maintenance visits with the non-vented water level sensor - Deploy in harsh conditions with the tough, compact station - Monitor multiple environmental parameters with the flexibility of Onset’s suite of smart sensors

HOBOlink is a web-enabled software platform designed for HOBO RX3000/MicroRX Remote Monitoring Systems and HOBOnet Field Monitoring Systems.

HOBOlink service plans are 12month subscriptions that provide remote access via any web browser, offering 24/7 access to your data and the ability to verify your system status, set up and manage alarm notifications, and schedule automated delivery of data, plus a whole lot more.

HOBOlink Key Features

Access your data with a web browser or mobile device
Verify system status remotely
Set up and manage alarm notifications remotely
Schedule automated delivery of data
Configure a dashboard that highlights your most important measurements
Create dashboards that bring data from multiple systems together in a single view
Configure calculated channels such as dew point, accumulated rainfall, and evapotranspiration (ET)
Export the exact date range and sensors you want
Supports HOBO U30 Remote Monitoring Systems as well

Click here to learn more about HOBOlink or to watch our helpful tutorials of the system!

Techinical Information
Operating Range	RX2103: -40° to 60°C (-40° to 140°F) RX2104: -20° to 60°C (-4° to 140°F)
Smart Sensor Connectors	5
Smart Sensor Network Cable Length	100 m (328 ft) maximum
Smart Sensor Data Channels	Maximum of 15 (some smart sensors use more than one data channel; see sensor manual for details)
Logging Rate	1 minute to 18 hours
Time Accuracy	±8 seconds per month in 0° to 40°C (32°F to 104°F) range; ±30 seconds per month in -40° to 60°C (-40° to 140°F) range
Battery Type/Power Source	RX2103: 6 AA 1.5 V lithium batteries or AC power adapter (P-AC-1) RX2104: Integrated 1.7 watt solar panel and NiMH rechargeable battery pack; optional AC power adapter (P-AC-1) or external solar panel (SOLAR-xW) can be used in place of integrated solar panel
Battery Life	RX2103 Battery Life: Battery life with daily connections: RX2103: 1 year with 2 minute logging Battery life with hourly connections and 1 minute logging: RX2103: 2 months Note: Deployments in areas with weak cellular strength could reduce battery life. RX2104 Battery Life: Typical 3–5 years when operated in the temperature range -20° to 40°C (-4° to 104°F); operation outside this range will reduce the battery service life. Maximum connection rates with built-in solar panel, in full sun: 10 minute connections year round for latitudes less than ±40° 10 minute connections through three seasons in other regions, reduced to 30 minute connections in winter Maximum connection rates with external 5W or 15W solar panels: 10 minute connections year round, in full sun Connection rate with external solar panels may be less if deployed in partial sun Battery life without solar recharging, with hourly connections and 1 minute logging: RX2104: 2 months
Memory	16 MB, 1 million measurements, continuous logging
Alarm Notification Latency	Logging interval plus 2–4 minutes, typical
Enclosure Access	Hinged door secured by two latches with eyelets for use with user-supplied padlocks
LCD	LCD is visible from 0° to 50°C (32° to 122°F); the LCD may react slowly or go blank in temperatures outside this range
Materials	Outer enclosure: Polycarbonate/PBT blend with brass inserts; Interior: Polycarbonate/PBT; Gasket: Silicone foam; Cable channel: Santoprene™ TPE; U-Bolts (not included): Steel with zinc dichromate finish
Dimensions	19.95 x 13.68 x 7.49 cm (7.85 x 5.39 x 2.95 in.)
Weight	678 g (23.9 oz)
Mounting	Optional U-bolts are compatible with masts up to 4.14 cm (1.63 in.) mast diameter; can also be mounted with zip ties or mounted to a flat surface with screws
Environmental Rating	Weatherproof enclosure, NEMA 4X and IP66 (requires proper installation of cable channel system)
Wireless Radio	GSM/GPRS/EDGE: Quad band 850/900/1800/1900 MHz UMTS/HSPA+: Seven band 800/850/900/1800/1900/2100 MHz LTE: Twelve Band 700/800/850/900/1800/1900/2100/2600 MHz
Antenna	4G LTE
	The CE Marking identifies this product as complying with all relevant directives in the European Union (EU)
	FCC ID QIPPLS62-W, IC ID:7830A-PLS62W

Water Level Sensor:

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 40°C (32° to 104°F)
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
Pressure Response Time (90%)***

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 40°C (32° to 104°F)
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 (0.01 ft) water
Raw Pressure Accuracy**	±0.3% FS, 1.20 kPa (0.17 psi) maximum error
Resolution
Pressure Response Time (90%)***

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 40°C (32° to 104°F)
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
Pressure Response Time (90%)***

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 40°C (32° to 104°F)
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 (0.63 psi) maximum error
Resolution
Pressure Response Time (90%)***

Barometric Pressure (RX2103 and RX2104 station):

Operation Range	66 to 107 kPa (9.57 to 15.52 psia)
Temperature Calibrated Range	-20 to 50°C (-4 to 122°C)
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
Response Time
Stability (Drift)	0.1°C (0.18°F) per year

Temperature (Water Level Sensors MX2001-0x-S and MX2001-0x-Ti-S):

Operation Range	-20° to 50°C (-4° to 122°F)
Accuracy	±0.44°C from 0° to 50°C (±0.79°F from 32° to 122°F)
Resolution	0.1°C at 25°C (0.18°F at 77°F)
Response Time (90%)	5 minutes in water (typical)
Stability (Drift)	0.1°C (0.18°F) 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.

To see the full specifications for this product, please see our product manual found under the documentation tab if available

Onset have a complete range of external smart sensors to suit the;

HOBO RX3000, RX2100 Range, U30, H21 and H22 Data Logger series.

View the range of smart sensors here >>

If you have a question that’s not listed below, contact our Data Logging Specialists, who will be happy to help you!

In what environment does this data logger operate?

This data logger operates in an underwater environment.

What measurements does this data logger support?

The RX2100-WL data logger supports the following measurements: Absolute Pressure, Barometric Pressure, Evapotranspiration, Leaf Wetness, Light Intensity, PAR, Pulse Input, Rainfall, Relative Humidity, Soil Moisture, Temperature, Water Level and Wind

Can I calculate water flow using the HOBO MicroRX Water Level Station?

Yes, the station is configured with pre-installed calculations for V-notch weirs, general flumes (e.g. Parshall, Ramp, and Cutthroat), and a stage-discharge table.

What alarms are available?

The MicroRX Water Level Station has alarms that trigger for accumulated rainfall and water level/flow at time of measurement.

Can I have more than one accumulated rainfall alarm programmed at the same time?

The RX2100 can only have one accumulated rainfall alarm set up at a time.

Can my data be exported to any hydrology software?

Yes, data can already be used with Network for Environment and Weather Applications (NEWA), DataWise, and the Florida Automated Weather Network (FAWN). Integration with Aquarius is coming soon.

How should I mount the water level sensor?

There are multiple ways to mount the water level sensor.

Suspend the sensor in a 2” well with a dedicated Onset well cap
Suspend the sensor in larger wells with a reducer to Onset’s well cap, or your own well cap.
If mounting in a storm sewer, use a PVC pipe with holes and one end resting on the bottom of the catchment and the top secured to the side of the catchment access.

Do I need a well cap?

A well cap will protect your water level sensor from rainfall and debris. It is uniquely designed to keep the water level sensor cable securely in place, which is especially helpful when using longer cables.

Why would I need an additional solar panel if I choose the integrated solar MicroRX Water Level Station?

You may want an additional solar panel to boost power to ensure connectivity at the maximum 10-minute rate. It may also be a good option if your station is not deployed in full sun.

The new cellular, web-enabled HOBO® MicroRX station is partnered with Onset’s own water level sensor to deliver water level and flow monitoring data to cloud-based HOBOlink® software.

New water flow and accumulated rainfall calculations, which are performed directly on the station at time of measurement, trigger immediate notifications of critical water level conditions.

Spend more time focusing on results, and less time on configuration and data access.

Key Advantages:

Eliminate complicated manual calculations with pre-programmed water flow formulas
Act quickly in response to alarms triggered at time of measurement for water flow and accumulated rainfall
Reduce maintenance visits with the non-vented water level sensor
Deploy in harsh conditions with the tough, compact station
Monitor multiple environmental parameters with the flexibility of Onset’s suite of smart sensors

Reliable Water Level Monitoring

With a tough, compact station and a reliable water level sensor, you can monitor water level in the harshest conditions.

Highlighted Features

Station-side alarms for water flow and accumulated rainfall triggered at time of measurement
Non-vented ceramic water level sensor with a choice of four ranges
Interchangeable, Kevlar-reinforced water level sensor cables
Integrated barometric pressure sensor
Compact IP66/NEMA 4X enclosure
Built-in LCD confirms proper setup and operation
Two power options:
- Integrated 1.7 W solar panel with rechargeable battery pack
  - 5 W and 15 W external solar panels can be added (RX2104 only)
- User-replaceable AA lithium batteries
Inputs for five plug-and-play smart sensors
Up to 10-minute connections rates via 4G cellular data plans
Cloud-based monitoring and data access through HOBOlink

Applications

Stormwater Monitoring: Supports requirements for federal and state industrial permits, on-site inspections, and wetlands monitoring.
Floodwater Mitigation: Provides an alert system for potential flooding situations from storm events and high water levels.
Irrigation Control: Delivers accurate water usage data for conservation, water use records, and water rights issues.
Hydrological Studies: Monitors surface water systems and aquifers to support water quality and environmental studies.

Environmental Protection 2020 New Product of the Year

Whats in the Box?

HOBO RX2100 MicroRX Station
Grease packet
Cable ties
Screws and washers
Six AA lithium batteries (RX2103 battery-powered station)
Battery pack (RX2104 solar-powered station)

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HOBO MicroRX Water Level / Flow Station

The new cellular, web-enabled HOBO® MicroRX station is partnered with Onset’s own water level sensor to deliver water level and flow monitoring data to cloud-based HOBOlink® software.

Spend more time focusing on results, and less time on configuration and data access.

Key Advantages:

Reliable Water Level Monitoring

Highlighted Features

Applications

Environmental Protection 2020 New Product of the Year

Whats in the Box?

HOBO Water Level and Flow Monitoring Station

HOBOlink is a web-enabled software platform designed for HOBO RX3000/MicroRX Remote Monitoring Systems and HOBOnet Field Monitoring Systems.

HOBOlink Key Features

Click here to learn more about HOBOlink or to watch our helpful tutorials of the system!

Techinical Information

Water Level Sensor:

Pressure (Absolute) And Water Level Measurements MX2001-01-S and MX2001-01-Ti-S:

Pressure (Absolute) And Water Level Measurements MX2001-02-S:

Pressure (Absolute) And Water Level Measurements MX2001-03-S:

Pressure (Absolute) And Water Level Measurements MX2001-04-S and MX2001-04-Ti-S:

Barometric Pressure (RX2103 and RX2104 station):

Temperature (Water Level Sensors MX2001-0x-S and MX2001-0x-Ti-S):

To see the full specifications for this product, please see our product manual found under the documentation tab if available

Onset have a complete range of external smart sensors to suit the;

HOBO RX3000, RX2100 Range, U30, H21 and H22 Data Logger series.

View the range of smart sensors here >>

If you have a question that’s not listed below, contact our Data Logging Specialists, who will be happy to help you!

In what environment does this data logger operate?

What measurements does this data logger support?

Can I calculate water flow using the HOBO MicroRX Water Level Station?

What alarms are available?

Can I have more than one accumulated rainfall alarm programmed at the same time?

Can my data be exported to any hydrology software?

How should I mount the water level sensor?

Do I need a well cap?

Why would I need an additional solar panel if I choose the integrated solar MicroRX Water Level Station?

The new cellular, web-enabled HOBO® MicroRX station is partnered with Onset’s own water level sensor to deliver water level and flow monitoring data to cloud-based HOBOlink® software.

Spend more time focusing on results, and less time on configuration and data access.

Key Advantages:

Reliable Water Level Monitoring

Highlighted Features

Applications

Environmental Protection 2020 New Product of the Year

Whats in the Box?

Well Cap 2

5 Watt Solar Panel Power

HOBOlink Web-Based Display/Readout

HOBO Advanced Weather Station Kit

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