SensorLink 8-182 Manuale utente
SensorLink
Operators Manual
Radio Ohmstik
Radio Linked
Micro Ohmmeter
Model 8-182
Radio Ohmstik Transmitter
Model 8-184 not pictured
Model 8-180
Radio Ohmstik Display Unit
Model 6-182
Radio Ohmstik Kit
and Accessories
OPERATORS MANUAL
Radio Ohmstik
Radio Linked Live-Line Micro Ohmmeter
Table of Contents Page
Theory of Operation 3
Safety Information 3
FCC & Industry Canada Statements 3
Specifications 4
Software Requirements & Installation 5
USB Port Permission 5
Communicating the Measurement 5
Operating Instructions 6-7
Taking a Measurement 8
Reviewing the Measurement 9
Powering Off 9
Troubleshooting 10-11
Deterioration Influences 12
Ohmstik Evaluation Method 13-14
Probes & Accessories 15-16
Battery Replacement & Cleaning 17
Warranty 18
Quality Assurance Back Cover
Available Stock Codes:
8-182 50HZ 8-182 60HZ 8-182 EURO
8-180 8-180 EURO 8-184 50HZ
8-184 60HZ 8-184 EURO
Page 3
The Radio Ohmstik Live-Line Micro Ohmmeter measures the micro-ohm resistance of
conductors, connectors, splices and switching devices positioned directly on energized,
high voltage lines. The Radio Ohmstik calculates resistance by measuring the AC
amperage in the line and the voltage drop due to the resistance of the line segment
under test. Using the AC current in the line insures that realistic current distributions
through the connection are being measured. The instrument is pressed against the
splice or connector in such a manner that the connection under test is between the
two electrodes.
The Radio Ohmstik sends its status and measurements to both the Remote Display
and the Radio Ohmstik Software on the user's laptop. At the same time, the GPS
device sends location data to the Software. When a valid measurement is received,
the software writes the data to a comma separated (CSV) file. This allows the user to
map the location of the connector as well as its condition.
Theory of Operation
The probes on the Radio Ohmstik measure voltage drop and
are intended to measure the micro voltage drop from the
same phase.
Connecting the probes in a phase to phase, phase to ground,
or any application where the voltage potential between
the probes is more than 2.5 volts will cause damage to the
instrument and create a system fault.
Do not touch or engage the air gap of adjacent phases or
ground connections with the probes.
Safety Information:
United States of America and Canada
Contains FCC ID: OUR-XBEEPRO
Contains Model XBee-PRO Radio, IC: 4214A-XBEEPRO
The/XBee-PRO® RF Module has been certified by the FCC for use with other products without
any further certification (as per FCC section 2.1091). Modifications not expressly approved by
Digi could void the user's authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures: Re-orient or relocate the receiving antenna,
Increase the separation between the equipment and receiver, Connect equipment and receiver
to outlets on different circuits, or Consult the dealer or an experienced radio/TV technician for
help.
FCC & Industry Canada statements
Specifications
Page 4
Model Number & Type 8-182 8-184
Type Standard Wide Jaw
Sensor Opening 2.5 in, 6.35 cm 3.86 in, 9.8 cm
Weight 2.3 lbs, 1.05 kg 4.0 lbs, 1.81 kg
Measurements
Amps 1-1400 A
Microohms 5-2500 µ
Accuracy
Amps ±1% 1 A
Microhms Absolute ±2% 2
Microhms Repeatability ±1% 2
Accuracy is diminished if the current is less than 15 amps 0-35kV and when current is less than 50 A while on 36-500kV
Range of Operation
Voltage Rated 500kV
Resolution
Amps 1.9-99 A 0.1 A
Amps 100-1400 A 1.0 A
Microhms 0-999 µ1 µ
Frequency Actual frequency indicated on the unit
50Hz Calibrated 47 to 53Hz
60Hz Calibrated 57 to 63Hz
Radio
Frequency ISM 2.4 GHz
Power 63 mW, 10 mW in Europe & Japan
Range 150', (46 meters) Line of Sight, 120' (36.5 meters) in Europe & Japan
Mechanical
Battery 9 Volt Alkaline, 1 each per unit
Battery Life 6-8 Hours at 68°F or 20°C, 3-4 Hours at 32°F or 0°C
Detachable Probes Fused Probe or Adjustable Probe
Ambient Temperature -4 to +140° F, -20 to +60° C
Display Graphics LCD
Software Requirements Radio Ohmstik Software
System Requirements Windows XP, Vista, Windows 7, Windows 8
Hardware Requirements Minimum of two USB ports
EEC Standards Successfully passed international test standards indicated by CE
Radio Ohmstik Software
The Radio Ohmstik Software will display information on the Display Unit and will
also write the collected data to a comma separated value (CSV) file in software.
The following data is collected: Amps, Micro-Ohms, Date, Time, Comments,
Latitude, and Longitude (with the GPS USB plugged into the laptop).
System Requirements
The Radio Ohmstik software installs on all computers running Windows XP, Vista,
Windows 7 & 8. The GPS and Radio Ohmstik Software each require a USB port.
Software Installation
1. Place the Radio Ohmstik Software Install CD in your computer’s CD Drive
2. The Installation Wizard will automatically load and display on your PC.
**If you need to launch the install manually, go to the Start Menu, select RUN
and type :\SETUP.EXE, OR - Click on browse, open the drive that your CD is
located, and double click on file titled SETUP
3. You must agree to the licensing agreement to proceed with the download
4. A dialog box will appear to let you know when the download is complete
5. Shortcut paths will automatically load during the install
USB Port Permissions
Computers managed by electric utility organizations often limit the programs that
can be installed. The USB devices in this kit have install programs that run the
first time they are installed. The user may have rights to install programs but may
not be aware that the USB ports are locked. If the USB devices are not discovered
automatically, their drivers will need to be installed manually. The USB Radio
Drivers are loaded on the program CD. The USB GPS Driver came on a CD with
the USB GPS device. Please contact your network administrator for permission and
instructions to complete the install If the drivers need to be installed manually.
Page 5
Communicating the Measurement
The user is able to view the measuremet sets on both a Display Unit and on a laptop
running Radio Ohmstik software. These communications may be used singly, or at
the same time.
Communicating to the Display Unit: The Display Unit is designed to be attached
to a hot stick, or held by hand. The sensor transmits the live readings to the Display
Unit via radio. This functionality allows the user to easily see readings were taken.
Readings are not saved on the Display unit.
Communicating to the Laptop: With the Radio Ohmstik software loaded, and the
radio adapter plugged in, the Sensor will transmit the data and readings to the lap-
top. The measurement set will automatically be saved as a .csv file for future review.
Page 6
Operating Instructions
Setup Communication with Radio Ohmstik Software
1. Plug the 7-024 USB Radio and the 7-025 USB GPS devices into the laptop's USB
ports. It will take several seconds for the computer to discover the devices
2. Open the Radio Ohmstik Software
3. The program starts by asking the user to select a file name and location to
write the data.
Note: The default File Name is a date and time code for the date
and time the application is opened.
4. Select Save; the Radio Ohmstik Dashboard will load and is ready for
measurments
Page 7
Copyright 2011
SensorLink
F574 8XP 300
Firmware XXX No Signal
Display Software Dashboard
Setup Communication with Display Unit
1. Place the Display Unit on the hot stick with the Velcro strap so the LCD display
is visible while taking measurements
2. Press the function button on the Display Unit. The display will run through its
boot screens, ending in No Signal
Setup Radio Ohmstik Sensor
1. Attach the Probe to the back of the Radio Ohmstik.
2. Press the function button on the Radio Ohmstik sensor. The Radio Ohmstik
transmits to both the Display and the Radio Ohmstik Software
3. They both indicate the Radio Ohmstik is ready to take measurements
Page 8
Taking a Measurement:
1. Place the Radio Ohmstik on a conductor as depicted in Figure 3.0. It is essential
you make contact between the conductor and the voltage sensor, which is the
V-shaped plate between the jaws, as well as the voltage probe.
2. Measurement begins as soon as the Ohmstik is in position and is stable
3. While the Radio Ohmstik is taking the measurement, the screens will display:
4. The display screens will show the current in the conductor as well as the Micro-
Ohm resistance of whatever is between the two voltage probe
5. Remove the Ohmstik from the conductor. It holds the reading and displays
it as follows:
6. Remove the Radio Ohmstik from the conductor or splice
7. The measurements are now written to the Radio Ohmstik software
8. The displays will continue to show readings until the Radio Ohmstik is placed on
a new current carrying conductor or until it powers down
Figure 3.0
Page 9
Power Off the Radio Ohmstik
Press and hold the Function Button on the Display Unit until the LCD goes blank
or Press and hold the Function Button on the Radio Ohmstik until the LED goes off.
Either of these actions will power off itself and the accompanied device. The Radio
Ohmstik will power off by itself if left inactive for 20 minutes.
Reviewing Measurements in Software
1. The Radio Ohmstik software will display the completed measurement and GPS
location on the Dashboard
2. The data will automatically be written to a comma-separated values (CSV) file
when the Radio Ohmstik is removed from the conductor
3. A comment may be added before the reading is taken. Any comment written
will be a part of the record for the next reading
4. To review the data, open the saved CSV file in any spreadsheet or word
processing application
Note: Opening the CSV file while the dashboard is open, will stop the recording
of readings. The number of readings will be recorded on the dashboard
but the readings will not be stored.
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