1. Manuals
  2. Brands
  3. Onset Manuals
  4. Measuring Instruments
  5. hobo u30
  6. User manual

Onset HOBO U30 User Manual

Station, remote communication: gsm, wi-fi
Hide thumbs Also See for HOBO U30:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual

Advertisement

Table of Contents
loading

Related Manuals for Onset HOBO U30

Summary of Contents for Onset HOBO U30

  • Page 2 Onset Computer Corporation  Contacting Onset For support, please contact the company that you bought the products from: Onset Computer Corporation or an Onset Authorized Dealer. Onset Computer Corporation 470 MacArthur Blvd. Bourne, MA 02532 Mailing Address: P.O. Box 3450 Pocasset, MA 02559-3450...

  • Page 3: Table Of Contents

    Connecting Smart Sensors ....................22   Connecting Analog Sensors ..................... 24   Connecting the Battery ....................25   Chapter Three: Installing the HOBO U30 Station in the Field ........26     Field Installation Procedure ..................... 27   Attaching Grounding Wire ....................28  ...
  • Page 4 Installing the Expander Board ..................83   Appendix B: Tri-pod Setup ....................85   Guidelines for Typical Field Setup ..................86   Field Preparation Checklist....................88   Tasks for Setting up the Tri-pod ..................91   User’s Guide - 4 - HOBO U30 Station/RC...

  • Page 5: Chapter One: About The Hobo U30 Station

    Onset Computer Corporation  Chapter One: About the HOBO U30 Station List of Topics Introduction - page 6 Features - page 7 Components - page 8 Software Tools - page 10 Smart Sensors - page 11 The Analog Sensor Port - page 12 User’s Guide...

  • Page 6: Introduction

    I n t r o d u c t i o n Overview The HOBO U30 Station is a data logging and monitoring device that can be easily reconfigured and adapted to a wide variety of applications. Up to 15 channels of data can be recorded and monitored remotely via HOBOlink™.

  • Page 7: Features

    Rechargeable Battery The HOBO U30 Station uses a Sealed Lead Acid battery that can be recharged via a solar panel or AC adapter. This provides continuous power to keep the HOBO U30 Station recording and transmitting data for years.

  • Page 8: Components

    Onset Computer Corporation  C o m p o n e n t s This topic describes the components for the U30 Remote Communication models (GSM, Wi-Fi). Diagram Figure 1: Components User’s Guide - 8 - HOBO U30 Station/RC...

  • Page 9: Component Descriptions

    For more information on LEDs, refer to Diagnostics and troubleshooting. 19. Connection LEDs Top - Blinks when the HOBO U30 Station is attempting to contact a network (cellular tower, Wi-Fi, depending on model) Bottom - Blinks when the U30 is connected to HOBOlink.

  • Page 10: Software Tools

    Onset Computer Corporation  S o f t w a r e T o o l s The HOBO U30 Station is designed primarily for use with HOBOlink, which allows for continuous logging and transmission of data using remote communication technology. There is some configuration however that requires HOBOware Pro software.

  • Page 11: Smart Sensors

    Refer to www.onsetcomp.com for a current list of available sensors. Cable Length The HOBO U30 Station can work with a maximum total of Smart Sensor cable lengths up to 100 meters (328 feet), as measured from the logger connection point to the electronics embedded in the individual cables.

  • Page 12: The Analog Sensor Port

    See the HOBOware User’s Manual for configuration details. If your HOBO U30 Station does not have an Analog Sensor Port and you wish to upgrade to one, contact Onset Computer Corporation for information Sensor Excitation The Analog Sensor Port supports optional, user-configurable sensor excitation power and warm-up.
  • Page 13 When the ports are functioning correctly, the Active indicator LED on the port blinks once per logging interval to indicate that a successful measurement has been made. The Ex. On indicator LED will also be lit when excitation is enabled. User’s Guide - 13 - HOBO U30 Station/RC...

  • Page 14: Chapter Two: Setup And Test

    Final HOBOlink Setup and Test - page 20 Installing Mounting Plates - page 21 Connecting Smart Sensors - page 22 Connecting Analog Sensors - page 24 Connecting the Battery - page 25 User’s Guide - 14 - HOBO U30 Station/RC...

  • Page 15: Configuration Summaries

    Configuring Network Setup (page 55), Steps 1-3 Configuring Wireless LAN Setup (page 56), Steps 1-4 Configuring a Static IP Address (page 61), Steps 3-7 Basic Hardware Setup (page 19), Step 4 Final HOBOlink Setup and Test (page 20) User’s Guide - 15 - HOBO U30 Station/RC...
  • Page 16 Configuring Wireless LAN Setup (page 56), Steps 1-7 Configuring Analog Sensor Ports or TRSMA Module (page 24), Steps 3-5 Basic Hardware Setup (page 19), Step 4 Final HOBOlink Setup and Test (page 20) User’s Guide - 16 - HOBO U30 Station/RC...

  • Page 17: Initial Hobolink Setup

    Status, and then click the Contact HOBOlink button. After the test disconnect the U30 from the computer. The U30 will connect to HOBOlink at the next scheduled Connection Interval. NEXT TASK: Initial Hardware Setup (page 18). User’s Guide - 17 - HOBO U30 Station/RC...

  • Page 18: Initial Hardware Setup

    Bladed screwdriver or chisel and a file for removing cover of Secondary Cable Bay If you are using Analog Sensors or Relay Contact • Small flat-head screw driver Start Here: Basic Hardware Setup (page 19) User’s Guide - 18 - HOBO U30 Station/RC...

  • Page 19: Basic Hardware Setup

    Install Mounting Plates (page 21). Connect Smart Sensors (page 22) and Analog Sensors (page 24). Onset recommends that you test all sensors you plan to deploy with the logger. NOTE: If you are using the Solar Radiation Shield, set up the Temperature and Temperature/RH sensors.

  • Page 20: Final Hobolink Setup And Test

    Check the Device Status and the graphs to verify that sensors are reporting correctly and the HOBO U30 Station is being readout properly. When you are satisfied that the HOBO U30 Station and HOBOlink are working properly, change your Logging Interval and Connection Interval to your desired settings for deployment. IMPORTANT: Repack the logger and sensors for transit.

  • Page 21: Installing Mounting Plates

    I n s t a l l i n g M o u n t i n g P l a t e s Screw the mounting plates onto the back of the HOBO U30 Station case using a Phillips-head screwdriver.

  • Page 22: Connecting Smart Sensors

    If you are using the Smart Sensor Expander Board, connect sensors to those ports first. Run cables for secondary Smart Sensors through the Secondary Cable Opening. Figure 3: Feed Secondary Cables Plug the cables into the Smart Sensor Expander Board. Figure 4: Plug in Smart Sensors User’s Guide - 22 - HOBO U30 Station/RC...
  • Page 23 Onset Computer Corporation  Run cables for Smart Sensors through the Primary Cable Opening and connect the cables into the Primary Smart Sensor Ports. Figure 5: Connect Primary Cables User’s Guide - 23 - HOBO U30 Station/RC...

  • Page 24: Connecting Analog Sensors

    If you are not using the secondary opening or the cable is still too big, then splice on another cable with a smaller diameter to fit through the hole. See the steps later in this section for working with the rubber cable channel. User’s Guide - 24 - HOBO U30 Station/RC...

  • Page 25: Connecting The Battery

    NOTE: You should not connect the battery until you have performed Initial HOBOlink Setup (page 17). Illustration Connect the built-in battery cable to the battery as shown below. Figure 7: Connect Battery User’s Guide - 25 - HOBO U30 Station/RC...

  • Page 26: Chapter Three: Installing The Hobo U30 Station In The Field

    Installing Weatherproof Cable Channels - page 29 Connecting Solar or AC Power - page 32 Connecting Equipment to the Relay Contact - page 33 Mounting the HOBO U30 Station to a Pole - page 34 Checking Cellular Signal Strength (U30/GSM) - page 35 User’s Guide...

  • Page 27: Field Installation Procedure

    If you are mounting the HOBO U30 Station to a tripod, see the Tripod Setup Guide on the Onset web site. If you are mounting the HOBO U30 Station to a pole, see Mounting the U30 Station to a Pole (page 34).

  • Page 28: Attaching Grounding Wire

    A t t a c h i n g G r o u n d i n g W i r e You should attach the grounding wire if you are using the Wind Speed and Direction Smart Sensor (S- WCA-MXXX) or if you are installing the HOBO U30 Station on a roof or in a location with exposure to lightning.

  • Page 29: Installing Weatherproof Cable Channels

    (the sides with no holes) of the rubber cable channel. Also put a light coating on the inside of the two halves of the cable channel. Figure 9: Grease Cable Channel User’s Guide - 29 - HOBO U30 Station/RC...
  • Page 30 Onset Computer Corporation  Place Cables in Channel. Hold the channel just below the HOBO U30 Station case (with the channel’s hinged side on the left and the taper facing in). Open the channel and lay the cables and wires into the grooves.
  • Page 31 The bars should be flat against the case. NOTE: After time, you may need a screwdriver to loosen them in the field. Figure 12: Secure Cable Channel User’s Guide - 31 - HOBO U30 Station/RC...

  • Page 32: Connecting Solar Or Ac Power

    IMPORTANT: If at any point you need to unplug the battery, unplug the solar panel or AC adapter first. Damage may occur to the HOBO U30 Station if the battery is unplugged before disconnecting the solar panel or AC adapter.

  • Page 33: Connecting Equipment To The Relay Contact

    NOTE: These relays are only for low power switching (see specification for rating). To switch higher power, use an appropriately rated relay and use the U30 relay to switch the external relay on and off. Figure 14: Connect Relay User’s Guide - 33 - HOBO U30 Station/RC...

  • Page 34: Mounting The Hobo U30 Station To A Pole

    21). Guidelines • Mount the HOBO U30 Station vertically to a mast or pole using the U-bolts. Make sure the mounting plates are mounted against the flat part of the U-bolt saddle clamps. • mount it vertically to a wall or board using screws.

  • Page 35: Checking Cellular Signal Strength (U30/Gsm)

    C h e c k i n g C e l l u l a r S i g n a l S t r e n g t h ( U 3 0 / G S M ) When deploying the HOBO U30/GSM Station, it is important to select a location where a cellular signal is strong to ensure regular connections to HOBOlink.

  • Page 36: Chapter Four: Configuration With Hoboware

    Onset Computer Corporation  Chapter Four: Configuration with HOBOware List of Topics Connecting the HOBO U30 Station to HOBOware Pro - page 37 Configuring Analog Sensor Ports or a TRMSA Module - page 38 Changing the Relay Contact Setting - page 39 User’s Guide...

  • Page 37: Connecting The Hobo U30 Station To Hoboware Pro

    Connect to Computer To connect to a computer running HOBOware Pro, plug the “mini-B” end of the USB cable provided into the USB port on the HOBO U30 Station and connect the “A” end to the USB port in your computer.

  • Page 38: Configuring Analog Sensor Ports Or A Trmsa Module

    Disconnect the battery from the U30 Station and then reconnect it to cycle power. The U30 Station will connect to HOBOlink at the next Connection Interval. Proceed to Final HOBOlink Setup and Test (page 20). User’s Guide - 38 - HOBO U30 Station/RC...

  • Page 39: Changing The Relay Contact Setting

    C h a n g i n g t h e R e l a y C o n t a c t S e t t i n g The HOBO U30 Station has a built-in relay that can be activated by an alarm. The relay is a latching relay and it can be configured as either normally open or normally closed using HOBOware Pro.

  • Page 40: Chapter Five: Maintenance

    Adding a Sensor - page 42 Removing/Replacing a Sensor - page 43 Testing Smart Sensors - page 43 Checking the U30 Status - page 43 Inspecting the U30 - page 44 Troubleshooting - page 45 User’s Guide - 40 - HOBO U30 Station/RC...

  • Page 41: General Maintenance

    Cleaning the HOBO U30 Station The HOBO U30 Station does not require specialized cleaning; however, if it is deployed in a dusty or grimy location, you should wipe it down with a damp cloth occasionally to keep it looking its best.

  • Page 42: Adding A Sensor

    A d d i n g a S e n s o r New sensors will only be recognized by the HOBO U30 Station when it is not logging. If you attempt to add a sensor while the logger is recording data, it will be ignored. Logging will continue normally for all other sensors already plugged in.

  • Page 43: Removing/Replacing A Sensor

    R e m o v i n g / R e p l a c i n g a S e n s o r If you remove a Smart Sensor while the HOBO U30 Station is logging, the Logging LED will blink red, and the logger will record erroneous data for that channel and continue logging as normal for the remaining Smart Sensors.

  • Page 44: Inspecting The U30

    I n s p e c t i n g t h e U 3 0 Periodically perform a visual inspection of the HOBO U30 Station. Verify that the enclosure is free of visible damage, such as cracks, and that it is clean.

  • Page 45: Troubleshooting

    Any changes you make to the Launch or Readout Configurations will not take effect until the next time the HOBO U30 Station connects to the HOBOlink. If your connection interval was set to 2 hours, then changes won’t take effect until the next connection on that 2-hour schedule.
  • Page 46 If it is the first launch, make sure you have entered a Readout Configuration. If it is not the first launch and the HOBO U30 Station is connecting but still not launching, then select “Force Re-launch on Next Connection” and wait for the next connection.

  • Page 47: Chapter Six: The Battery

    Chapter Six: The Battery List of Topics Battery Voltage - page 48 Battery Life - page 49 Estimating Battery Life - page 51 Maintaining the Battery - page 52 Replacing the Battery - page 53 User’s Guide - 47 - HOBO U30 Station/RC...

  • Page 48: Battery Voltage

    3.0 to 3.6 volts Level at which the HOBO U30 Station will perform a safe shutdown. Logging will stop and no calls will be made to HOBOlink. Use the AC adapter to recharge the battery (leave it plugged in for twelve hours). Plug the solar panel back in when you’ve finished recharging (plug the battery in first if you unplugged it).

  • Page 49: Battery Life

    Maximize Cellular Signal Strength (GSM Only) If possible, place the HOBO U30 Station in a location that gets good cellular signal strength. Weak signal strength will result in more power consumed per call and more frequent attempts at calls (retries). See page 35 for details on checking signal strength with HOBOware Pro.
  • Page 50 40 C (104F). Very cold temperatures will reduce the self-discharge rate to almost zero, but the effective capacity of the battery will be reduced. Temperatures below -20 C (-4 F) will reduce the effective battery capacity by more than 25%. User’s Guide - 50 - HOBO U30 Station/RC...

  • Page 51: Estimating Battery Life

    E s t i m a t i n g B a t t e r y L i f e The HOBO U30 Station is designed to be used with a power source to keep the 4-volt sealed lead-acid battery charged.

  • Page 52: Maintaining The Battery

    IMPORTANT: Due to the self-discharge characteristics of this type of battery, it is imperative that you charge the battery for at least 12 hours every six months at minimum, even if you are not actively using the HOBO U30 Station. Otherwise, permanent loss of battery capacity may occur. Charging the Battery In the event the battery is completely dead (less than 3.0 volts and the logger lights do not come on when...

  • Page 53: Replacing The Battery

    Note the orientation of the battery and then remove it. Install the new battery with the same orientation and reverse the steps to reassemble. 10. Dispose of the old battery per local regulations. User’s Guide - 53 - HOBO U30 Station/RC...

  • Page 54: Chapter Seven: Network Settings

    Configuring Network Settings - page 55 Configuring Wireless LAN Setup - page 63 WLAN Options - page 65 WLAN Security - page 67 Configuring a Static IP Address - page 68 Server Setup Options - page 70 User’s Guide - 54 - HOBO U30 Station/RC...

  • Page 55: Configuring Network Settings

    If you do not need to configure Analog Sensor Ports, continue with this procedure. Disconnect the USB cable from the U30 Station. The U30 Station will connect to HOBOlink at the next Connection Interval. Proceed to Final HOBOlink Setup and Test (page 20). User’s Guide - 55 - HOBO U30 Station/RC...

  • Page 56: Configuring Wireless Lan Setup

    IMPORTANT: Do not select option #7 (Default) when using the NetSetup utility. That selection will reset the U30/Wi-Fi unit to its factory settings and render it useless. HOBO NetSetup Utility You must download the HOBO NetSetup utility from the Onset web site to configure WLAN setup. Go to this URL to download the utility: http://www.onsetcomp.com/support/software_utilities#downloads-1 Steps NOTE: This procedure assumes that the U30 is connected to a computer and the battery is connected.
  • Page 57 Disconnect the battery from the U30 Station and then reconnect it. If you began this procedure from Configuring Network Settings (page 55), return to the Procedure Branch following Step 3 for further configuration. User’s Guide - 57 - HOBO U30 Station/RC...

  • Page 58: Wlan Options

    Show the currently configured key/passphrase. Default = N Change Key Permits modifying the currently configured key. Default = N Encryption Set to the minimum required security level. 0 = TKIP (default) 1 = TKIP + WEP User’s Guide - 58 - HOBO U30 Station/RC...
  • Page 59 The radio is enabled to synchronize and check for incoming messages (every 100 ms). Note: This option is not available when the Topology is set to Adhoc. Enable Soft AP Roaming Default = N User’s Guide - 59 - HOBO U30 Station/RC...

  • Page 60: Wlan Security

    If any device is WEP-only (i.e. no support for WPA), set the encryption to TKIP+WEP. To use higher security with the U30/Wi-Fi than other devices connecting to the same access point, use a group encryption lower than the pairwise encryption. User’s Guide - 60 - HOBO U30 Station/RC...

  • Page 61: Configuring A Static Ip Address

    Network Administrator. If you need to assign a static IP address to the U30/Wi-Fi, use Onset’s NetSetup utility to perform the procedure below. If you are not familiar with network configuration, have your Network Administrator or IT Department perform the procedure.
  • Page 62 Disconnect the battery from the U30 Station and then reconnect it. If you began this procedure from Configuring Network Settings (page 55), return to the Procedure Branch following Step 3 for further configuration. User’s Guide - 62 - HOBO U30 Station/RC...

  • Page 63: Server Setup Options

    9999 or via web pages. The password must have 4 characters. Note: A password is not required to access the Setup Mode window via a serial connection. Default = N User’s Guide - 63 - HOBO U30 Station/RC...
  • Page 64 For example, if the third octet is 0.0.5.0, the AutoIP and BootP options are disabled; only DHCP is enabled. (The value 5 results from adding the binary equivalents of 0 and 2.) This is the most common setting when using DHCP. User’s Guide - 64 - HOBO U30 Station/RC...

  • Page 65: Chapter Eight: Reference

    LEDs - page 72 Power - page 74 Items Required for Field Installation - page 76 Accessories - page 77 FCC Part 15 Compliance - page 78 Wi-Fi Compliance - page 79 User’s Guide - 65 - HOBO U30 Station/RC...

  • Page 66: U30 Specifications

    Note: The GSM radio module will not communicate below -30°C (-22°F) Sensor Inputs: 5 standard; option to expand to 10 Smart Sensor Compatibility Compatible with most Onset smart sensors. See the following web site for the full list of compatible sensors. http://www.onsetcomp.com/ smart_sensor_accessory_compatibility_chart Data Channels Maximum of 15 (some sensors use more than one data channel;...
  • Page 67 Enclosure Access: Hinged door secured by two latches with eyelets for securing with user-supplied padlocks Alarm Notification Latency Logging interval plus 2–4 minutes (typical). Onset is not responsible for failed connections or undelivered mail/text messages. Alarm Output Relay One relay contact closure can be configured as normally open, normally closed, or pulsed. Voltage: 30 V Current: 1 amp max.
  • Page 68 Maximum Receive Level: -10 dBm (with PER < 8%) Receiver Sensitivity -72dBm for 54Mbps -87 dBm for 11Mbps -89 dBm for 5.5Mbps -90 dBm for 2.0Mbps -92 dBm for 1.0Mbps Antenna Type: Internal Antenna with Reverse SMA connector User’s Guide - 68 - HOBO U30 Station/RC...

  • Page 69: Analog Sensor Port

    Analog Sensor Port Functional Diagram Analog Sensor Port Pinout Pin # Left Function Pin # Right Function Shield Shield Channel 1 Signal Channel 2 Signal Channel 1 Return Channel 2 Return Excitation Voltage Excitation Return User’s Guide - 69 - HOBO U30 Station/RC...

  • Page 70: Time Accuracy

    T i m e A c c u r a c y The internal clock in the HOBO U30 Station is set by the time on the HOBOlink server and the time zone offset from UTC that you select when you configure the device. UTC, or Coordinated Universal Time, is similar to Greenwich Mean Time.

  • Page 71: Memory

    If you have enabled the Wrap Around When Full feature in the Launch Configuration, then memory limitations are not a concern. Once the HOBO U30 Station is full, the oldest data will be overwritten with the newest data and logging will continue indefinitely.

  • Page 72: Leds

    There was a communication failure, but the system has recovered. There may be an intermittent problem. Try checking the Smart Sensors one at a time to make sure they are all communicating. If you find a bad sensor, or if no sensor communicates, contact your Onset Authorized Dealer or Onset Technical Support.
  • Page 73 The connection LEDs are located on the logger. Server/USB Communication (Green) • Blinking There is active communication from the HOBO U30 Station to HOBOlink or there is a connection to a computer through the USB port. Network Connection (Blue) U30/GSM •...

  • Page 74: Power

    Overview The HOBO U30 Station has a 4-volt sealed lead acid battery that powers the GSM radio that connects to HOBOlink via mobile network towers. Much like a mobile phone, the battery will start to run down if it is not recharged.
  • Page 75 Low Battery If the battery power drops to 3.9 volts, the HOBO U30 Station will stop trying to connect to a tower, but it will continue logging. Use the AC adapter to recharge the battery (leave it plugged in for several hours).

  • Page 76: Items Required For Field Installation

    Small flat-head screw driver for Analog Sensor Port screw terminals (if applicable) • Wrench or socket driver • Silicone grease • Plugs for unused cable channel holes • Phillips-head screw driver • Wrench or socket driver User’s Guide - 76 - HOBO U30 Station/RC...

  • Page 77: Accessories

    A c c e s s o r i e s The following accessories can be used with the HOBO U30 Station. These accessories can be purchased from an Onset Authorized Dealer, or directly from Onset Computer Corporation. For detailed information on these accessories, including new items that may have been introduced after this manual was printed, refer to www.onsetcomp.com.

  • Page 78: Fcc Part 15 Compliance

    This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. User’s Guide - 78 - HOBO U30 Station/RC...

  • Page 79: Wi-Fi Compliance

    Onset Computer Corporation  W i - F i C o m p l i a n c e The HOBO U30/Wi-Fi meets the following agency approvals: UL 60950:2003 CAN/CSA-C22.2 No. 60950:2003 EN 60950:2003 +A1-A4, A11, Low Voltage Directive (73/23/EEC) EMC & Radio: For purposes of certification, the WiPort was installed in a standard box (the Lantronix WiBoxTM).

  • Page 80: Appendix A: Smart Sensor Expander Board

    Onset Computer Corporation  Appendix A: Smart Sensor Expander Board List of Topics Opening the Secondary Cable Slot - page 81 Installing the Expander Board - page 83 User’s Guide - 80 - HOBO U30 Station/RC...

  • Page 81: Opening The Secondary Cable Slot

    Cable Slots Steps Make sure the HOBO U30 Station is turned off and all cables are disconnected. Use a hammer and a bladed tool (e.g., screwdriver, chisel) to punch through at the four corners and at the ends of the piece covering the secondary cable bay.
  • Page 82 Onset Computer Corporation  File any rough edges. For best results, the surfaces in the cable access opening should be smooth so that the rubber cable channel gasket will seal. User’s Guide - 82 - HOBO U30 Station/RC...

  • Page 83: Installing The Expander Board

    NOTE: The contacts of the expander jacks should be nearest to the bottom of case as shown below. CAUTION: Be careful not to trap the battery cable behind the board. Figure 19: Expander Board User’s Guide - 83 - HOBO U30 Station/RC...
  • Page 84 Plug one end of the supplied expander cable into the rightmost jack of the expander board. Plug the other end into the rightmost jack of the built-in board. Figure 20: Connect Expander Board User’s Guide - 84 - HOBO U30 Station/RC...

  • Page 85: Appendix B: Tri-Pod Setup

    After you’ve configured the logger and gathered the necessary materials for the field, you are ready to assemble the tripod with the logger and sensors. This document includes: Guidelines for typical field setup Field preparation checklist Tasks for setting up the Tri-pod   User’s Guide - 85 - HOBO U30 Station/RC...

  • Page 86: Guidelines For Typical Field Setup

    Suggested Mounting: Use 1/2 inch Stake Kit (Part # M-SKA). • Onset recommends that two people set up most tripod systems. Some assemblies are heavy and are easier to handle with two people. •...
  • Page 87 If you will be mounting PAR, wind speed, or rain gauge sensors, be sure that you install the mast vertically (using Mast Level, Part # M-MLA). • Use the Guy Wire Kit (Onset Part # M-GWA) to stabilize a tall mast. Use 1/2 inch stakes (Part # M- SKA) to secure the guy wires. •...

  • Page 88: Field Preparation Checklist

    Light sensor level (Part #M-LLA) Crescent wrench (or second 7/16 inch wrench) Phillips head screwdriver #1 1.06 inch/2.00 inch hose clamps (if mast mounting without cross arm) Compass Phillips-head screwdriver User’s Guide - 88 - HOBO U30 Station/RC...
  • Page 89 Mast level (Part # M-MLA) using sledgehammer/post driver) Mast level (Part # M-MLA) Redimix cement (optional) Redimix cement (optional) Shovel (optional) Shovel (optional) All purpose grease All purpose grease Tape measure Tape measure User’s Guide - 89 - HOBO U30 Station/RC...
  • Page 90 Medium size wire cutters Crescent wrench Solar Radiation Shield (M-RSA) Light Sensor Bracket (M-LBA) Item Item 1/2 inch wrench 1/2 inch wrench Phillips head screwdriver #1 (if sensors aren’t already installed)     User’s Guide - 90 - HOBO U30 Station/RC...

  • Page 91: Tasks For Setting Up The Tri-Pod

    Task 6: Mount Logger to Upper Mast, page 103 • Task 7: Install Guy Wire Kit (Optional), page 104 • Task 8: Position and Level Sensors, page 106 • Task 9: Final Setup, page 106 User’s Guide - 91 - HOBO U30 Station/RC...
  • Page 92 1.5 meter mast (the Rain Gauge should be further from the tripod in the field than shown in this example). Figure 21: 2 Meter Tri-pod 1. Open the 2 meter tripod and place it in an upright position. User’s Guide - 92 - HOBO U30 Station/RC...
  • Page 93 6. Slide the lower mast from the top into the tri-clamps with the creased end of the mast facing up. The creases on the lower mast should face north and south. User’s Guide - 93 - HOBO U30 Station/RC...
  • Page 94 10. If site conditions (high winds, etc.) warrant further stabilization of the tripod, use the Guy Wire Kit (Part # M-GWA). See Task 7: Install Guy Wire Kit on page 104. User’s Guide - 94 - HOBO U30 Station/RC...
  • Page 95 Figure 25: 3 meter tri-pod 1. Using 5/16 inch nuts, attach the three anchor plates to the three tripod foot brackets, with the large holes to the outside. Tighten the nuts securely. User’s Guide - 95 - HOBO U30 Station/RC...
  • Page 96 3. Open the tripod and place it in an upright position. 4. Unfold the leg brace assembly and place the assembly flat on the ground. Figure 27: 3 meter tripod leg brace User’s Guide - 96 - HOBO U30 Station/RC...
  • Page 97 8. When the tripod is oriented on the site, secure one of the three tripod legs to its mounting location and tighten the U-bolts on this leg. 9. Adjust the second leg to level in one direction and secure this leg. User’s Guide - 97 - HOBO U30 Station/RC...
  • Page 98 8 inches (20 cm) above the ground at this time (assuming that if you are using the wind sensor, you want it to end up at 3 meters or almost 10 feet). User’s Guide - 98 - HOBO U30 Station/RC...
  • Page 99 3. Using a sledgehammer, drive the ground rod into the ground as close as possible to the lower mast of the tripod. 4. Attach the ground wire to the ground rod. Cut off excess cable length and discard or recycle. 5. Tighten the clamp bolt. Figure 30: Ground wire attachment User’s Guide - 99 - HOBO U30 Station/RC...
  • Page 100 2. Stand the upper mast upright and tie a cable tie to one leg brace and one leg of the tripod using the cable ties supplied. Remove the cable ties after the cross arm and sensors are installed. Figure 31: Upper mast (temporary) User’s Guide - 100 - HOBO U30 Station/RC...
  • Page 101 Task 4: Mount Cross Arm (Optional) Onset recommends that you use the cross arm to mount the Wind Speed or Wind Speed/Direction sensor because it keeps this sensor away from other sensors that could cause wind turbulence or wind shadows.
  • Page 102 Onset Computer Corporation  Task 5: Mount Upper Mast to Lower Mast NOTE: Onset recommends that two people work together to attach the upper mast to the lower mast. 1. Lightly grease the creased (upper) end of the lower mast. 2. While holding the upper mast securely, cut the cable ties that were temporarily holding the upper mast to the lower mast.
  • Page 103 2. If you are using the Guy Wire kit, position the logger enclosure so that it will not be in the way of guy wires. 3. Attach the logger’s ground wire to the lower housing U-bolt. Screw on the lower U-bolt nuts and then tighten all the U-bolt nuts. User’s Guide - 103 - HOBO U30 Station/RC...
  • Page 104 Figure 35: Guy wire attachment 3. Hook one “S” hook and one turnbuckle onto the corresponding stake or leg. Stake Figure 36: Guying to 1/2 inch Stakes User’s Guide - 104 - HOBO U30 Station/RC...
  • Page 105 6. Tighten the three guy wires evenly by turning the turnbuckles. 7. Attach a Post Level (Part # M-LVA) on the upper mast to maintain the mast at vertical. 8. The guy wires should be taut when the installation is complete. User’s Guide - 105 - HOBO U30 Station/RC...
  • Page 106 6. Gather the excess cable and attach the cable ties to the upper mast behind the logger. Leave about a 2 inch (5 cm) drip loop of cable below the logger. Figure 38: Sensor Cables on Mast User’s Guide - 106 - HOBO U30 Station/RC...
  • Page 107 10. Verify that the logger is operating properly. Refer to the logger user manual for LED indications. 11. Close the logger door. For the HOBO Weather Station, tighten the four cover screws. Congratulations! The HOBO Station setup is complete. User’s Guide - 107 - HOBO U30 Station/RC...
  • Page 108 P.O. Box 3450 Pocasset, MA 02559-3450 Phone: 1-800-LOGGERS (1-800-564-4377) or 508-759-9500 Fax: 508-759-9100 Hours of Operation: 8AM to 5PM ET, Monday through Friday E-mail: loggerhelp@onset or hobolink@onsetcomp.com Main Onset Web site: www.onsetcomp.com User’s Guide - 108 - HOBO U30 Station/RC...

Table of Contents