Hobo MicroRX Station Series Manual

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HOBO® MicroRX Station (RX2101, RX2102, RX2103 & RX2104) Manual

RX2102 model shown

HOBO MicroRX Station

Models: RX2101 MicroRX Station

RX2102 MicroRX Station with

Solar Panel

RX2103 MicroRX Water Level

Station

RX2104 MicroRX Water Level

Station with Solar Panel

Included Items:

• Grease packet

• Screws and washers

• Cable ties

• Six AA lithium batteries (RX2101

and RX2103 models)

• Rechargeable battery pack

(RX2102 and RX2104 models)

Required Items:

• HOBOlink

• Smart Sensors (required for

RX2101 and RX2102; optional for

RX2103 and RX2104)

For RX2103 and RX2104 models:

One MX2001 water level sensor and one

cable:

• MX2001-01-S or MX2001-01-Ti-S

(Titanium), 9-meter/30-foot depth)

• MX2001-02-S, 30-meter/100-foot

depth

• MX2001-03-S, 76-meter/250-foot

depth

• MX2001-04-S or MX2001-04-Ti-S

(Titanium), 4-meter/13-foot depth

• Cable (CABLE-RWL-xxx)

Optional Items:

• AC adapter (P-AC-1)

• Ground wire (CABLE-MICRO-G)

• 2-meter tripod (M-TPB)

• 3-meter tripod (M-TPA)

• 1.5 meter mast (M-MPB)

• 1-5/8 inch U-bolts (U-BOLT-KIT2)

• Guy wire kit (M-GWA)

• 1/2 inch stake kit (M-SKA)

• Well cap (WELL-CAP-02)

Smart sensors and accessories are

available at www.onsetcomp.com.

23808-E

The HOBO MicroRX Station provides continuous logging for a broad range of weather monitoring

and microclimate applications with up to five plug-and-play smart sensor inputs. In addition, the

HOBO MicroRX Water Level Station supports an easy-to-install water level sensor and integrated

flow conversion for monitoring streams, lakes, wetlands, tidal areas, groundwater, and more.

Logged data from the station is transferred at regular connection intervals to HOBOlink® web-

based software where you can check the latest conditions, view graphs, configure sensors and

alarms, set up a dashboard, download your data, or schedule data delivery via email or FTP. Inside

its weatherproof enclosure, this compact station has a built-in LCD screen to check the current

system configuration and status, start and stop logging, add and remove smart sensors, and

connect to HOBOlink on demand. The station offers two primary power source options depending

on your deployment needs: the RX2101 and RX2103 models include user-replaceable AA lithium

batteries while the RX2102 and RX2104 models are designed with a built-in solar panel and

rechargeable NiMH battery pack.

Specifications

Station

Operating Range

Smart Sensor Connectors

Smart Sensor Network Cable

Length

Smart Sensor Data Channels

Logging Rate

Time Accuracy

Battery Type/Power Source

Battery Life

RX2101 and RX2103: -40° to 60°C (-40° to 140°F)

RX2102 and RX2104: -20° to 60°C (-4° to 140°F)

100 m (328 ft) maximum

Maximum of 15 (some smart sensors use more than one data

channel; see sensor manual for details)

1 minute to 18 hours

±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

RX2102 and 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

RX2101 and RX2103: 6 AA 1.5 V lithium batteries or AC power

adapter (P-AC-1)

RX2102 and RX2104:

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:

• RX2102: 3 months

• RX2104: 2 months

RX2101 and RX2103:

Battery life with daily connections:

• RX2101: 1 year with 1 minute logging

• RX2103: 1 year with 2 minute logging

Battery life with hourly connections and 1 minute logging:

• RX2101: 3 months

• RX2103: 2 months

Note: Deployments in areas with weak cellular strength could

reduce battery life.

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Page 1: Specifications
HOBO® MicroRX Station (RX2101, RX2102, RX2103 & RX2104) Manual The HOBO MicroRX Station provides continuous logging for a broad range of weather monitoring and microclimate applications with up to five plug-and-play smart sensor inputs. In addition, the HOBO MicroRX Water Level Station supports an easy-to-install water level sensor and integrated flow conversion for monitoring streams, lakes, wetlands, tidal areas, groundwater, and more.
Page 2 HOBO MicroRX Station Manual Specifications (continued) Memory 16 MB, 1 million measurements, continuous logging 5.3 cm Alarm Notification Latency Logging interval plus 2–4 minutes, typical (2.1 in.) Enclosure Access Hinged door secured by two latches with eyelets for use with user- 3.2 cm...
Page 3 HOBO MicroRX Station Manual Specifications (continued) 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...
Page 4: Table Of Contents
HOBO MicroRX Station Manual Specifications (continued) 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...
Page 5: Device Components And Operation
HOBO MicroRX Station Manual Device Components and Operation Station Door Water Level Logger Cable (CABLE-RWL-xxx) Water Level Sensor Temperature sensor (inside) Battery Holder Pressure sensors (inside) RX2101 model shown Station Door: This is the protective, hinged door covering the LCD and electronics. The station serial number and device key...
Page 6: Lcd Operation
HOBO MicroRX Station Manual Mounting Holes: Use the inner or outer holes at the top and Barometric Pressure Sensor: This is the sensor located behind bottom of the logger to mount it (see Deployment Guidelines). the vent in RX2103 and RX2104 models that logs barometric pressure for use with the water level sensor.
Page 7 HOBO MicroRX Station Manual The battery indicator shows the approximate battery power remaining. In this example, the battery is fully charged. The lightning bolt will appear when an AC adapter or solar panel is plugged into the station. “Charging” will flash while the battery is being charged.
Page 8: Setting Up The Station
HOBO MicroRX Station Manual • Use the included screws and washers with the two sets Setting up the Station of outer holes to adhere the logger to a wall or flat Follow these steps to set up the station. surface.
Page 9: Plug In Smart Sensors If Applicable
HOBO MicroRX Station Manual c. Use a Phillips head screwdriver to secure the water 7. Grease and reinstall the cable channel. level sensor cable in place with the two screws a. Use the integrated plugs to fill any unused holes. Bend provided.
Page 10: Plug In The Battery And Wait For The Station To Connect To Hobolink
HOBO MicroRX Station Manual 8. Plug in the battery and wait for the station to 9. Configure the station in HOBOlink. connect to HOBOlink. In HOBOlink, click Devices, then RX Devices and click the icon next to your station. Use the configuration screens...
Page 11 HOBO MicroRX Station Manual h. Click Save. You can also click Next to move from one smart sensor to the next and save the sensor configuration. Clicking Back does not save the configuration changes. Smart Sensors Logging and Configuration You can configure both the global settings that affect all...
Page 12: Start Logging
HOBO MicroRX Station Manual 11. Obtain a reference water level reading (RX2103 and RX2104 models). Make sure the water level sensor is deployed in its final location and the station is logging. Take a reference level reading, measuring the water level from your reference point.
Page 13: Viewing Data In Hobolink
HOBO MicroRX Station Manual Water Flow Configuration 3. Follow the instructions on the screen to select the name, format, time zone, and time frame, and then the devices a. Select Water Flow from the Configuration menu. and sensors to include in the export. Reorder the sensors as needed.
Page 14: Sensor Alarms
HOBO MicroRX Station Manual 4. For Battery Low and Sensor Failure alarms: 7. Click Save. Changes will take effect the next time the station connects to HOBOlink. a. Under Device, select the Battery Low and/or Sensor Failure checkboxes. 8. Repeat steps 2 through 7 for each additional sensor alarm you want to add.
Page 15: Setting Up A Water Level Channel
HOBO MicroRX Station Manual If a water level sensor is not physically connected to an RX2103 6. Select the appropriate water density for your deployment or RX2104 station, barometric pressure will be the only channel location. logged as that sensor is inside the station (aside from any 7.
Page 16: Setting Up A Water Flow Channel For A Rectangular Weir
HOBO MicroRX Station Manual • The weir should be between 0.8 and 2 mm (0.03 and 0.08 Setting up a Water Flow Channel for a Rectangular Weir inches) thick in the v-notch. If the bulk of the weir is If you are using a rectangular thin-plate weir similar to the thicker than 2 mm (0.08 inches), the downstream edge of...
Page 17: Setting Up A Water Flow Channel For A Trapezoidal Weir
HOBO MicroRX Station Manual To set up a water flow channel using a rectangular weir: 1. Click Devices and then RX Devices, and find the station you want to configure. Click the arrow next to the icon and select Module/Sensor Configuration.
Page 18: Setting Up A Water Flow Channel For A General Flume
HOBO MicroRX Station Manual • If the reference point is the bottom of the channel, then • If you are using a ramp flume as shown in the diagram the value is represented as P in the diagram earlier in this below and the top of the ramp is the reference point, section.
Page 19: Starting And Stopping Logging
HOBO MicroRX Station Manual points as needed to match your stage-discharge curve as best 4. Click the checkbox to Enable Graph and type a label as possible. HOBOlink does not extrapolate beyond the lowest (optional). and highest stage values that you enter so make sure to enter 5.
Page 20: Adding Or Removing Smart Sensors
HOBO MicroRX Station Manual 2. Click Start or Stop. The station will start or stop logging the 4. If you are removing a water level sensor, unscrew the two next time it connects to HOBOlink. screws and unplug the sensor cable from the water level sensor port.
Page 21: Deployment Guidelines
HOBO MicroRX Station Manual • Do not store excess sensor cable wire coiled inside the includes any connections for alarms or changes you make to the connection schedule. You can also increase the connection station case or within one foot outside the case.
Page 22: Installing The Grounding Wire
HOBO MicroRX Station Manual • The sensor face located in the nose cone of the sensor Installing the Grounding Wire end needs to be in the water to measure water level. If you are using a grounding wire (CABLE-MICRO-G), attach it to the grounding wire port on the back of the station.
Page 23: Troubleshooting
HOBO MicroRX Station Manual 3. Use a flat-head screwdriver to remove the screw below the Troubleshooting battery cover. Error codes can appear on the LCD if a problem arises with the station or a sensor. This table describes common error codes that may appear.
Page 24 HOBO MicroRX Station Manual To replace the battery pack: 1. Open the station door. 2. Disconnect the battery cable. 3. Use a flat-head screwdriver to remove the screw below the battery cover. Remove this screw 4. Pull to remove the battery cover.
Page 25 To comply with FCC and Industry Canada RF radiation exposure limits for general population, the logger must be installed to provide a separation distance of at least 20cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. © 2019–2020 Onset Computer Corporation. All rights reserved. Onset, HOBO, HOBOlink, and HOBOware 1-800-LOGGERS (564-4377) • 508-759-9500 are trademarks or registered trademarks of Onset Computer Corporation.

This manual is also suitable for:

Microrx station rx2101 Microrx station rx2102 Microrx station rx2103 Microrx station rx2104

Hobo MicroRX Station Series Manual

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