Reed Instruments R5710 User manual
Clamp-On
Ground
Resistance
Tester
Instruction
Manual
R5710
REED Instruments
Table of Contents
Introduction ................................................................................................ 3
Product Quality........................................................................................... 3
Safety ......................................................................................................... 3
Features...................................................................................................... 4
Included...................................................................................................... 4
Specications..........................................................................................5-6
Instrument Description............................................................................... 7
Display Description .................................................................................... 7
Operating Instructions...........................................................................8-12
Power ON/OFF...................................................................................... 8
Auto Power OFF.................................................................................... 9
Resistance/Ground Leakage Measurement Mode ................................ 9
Resistance Measurement Mode.......................................................9-10
Data Hold & Memory Storage.............................................................. 11
Memory Recall................................................................................11-12
Setting the Critical Alarms................................................................... 12
Battery Replacement................................................................................ 13
Product Care ............................................................................................ 13
Product Warranty ..................................................................................... 14
Product Disposal and Recycling .............................................................. 14
Product Support....................................................................................... 14
REED Instruments
Introduction
Thank you for purchasing your REED R5710 Ground Resistance Tester.
Please read the following instructions carefully before using your instrument.
By following the steps outlined in this manual your meter will provide years
of reliable service.
Product Quality
This product has been manufactured in an ISO 9001 facility and has
been calibrated during the manufacturing process to meet stated product
specications. If a certicate of calibration is required please contact the
nearest authorized REED distributor or authorized Service Center. Please
note an additional fee for this service will apply.
Safety
• Never attempt to repair or modify your instrument. Dismantling your
product, other than for the purpose of replacing batteries, may cause
damage that will not be covered under the manufacturer's warranty.
Servicing should only be provided by an authorized service center.
• Be aware of your surroundings, environment and measurement scope.
• If the instrument applies to ground resistance testing instead of current
power frequency wire it will affect the clamps magnetic property and
the accuracy of measurement.
• Before turning on the unit, press on the trigger a couple of times to
conrm it can properly open and close.
• Do not press the trigger or clamp any wires when turning on the instrument.
• Only clamp the tested desired object after the display shows "OL Ω".
• Keep the contact surface of the jaws clean and refrain from using harsh
cleaning products.
• When taking measurements the instrument will sporadically "hum".
• Do not exceed the max measurements.
• If instrument will not be used for a prolonged amount of time, remove
the battery.
• If something is damaged, immediately stop using the instrument.
REED Instruments
4
Features
• Auto-ranging ground resistance and leakage current measurements
• 0.001Ω resolution for low resistance measurements
• 9999-count EBTN display
• Internal memory stores up to 300 readings
• User adjustable alarms
• Data hold function
• Durable double molded conductor clamp
• 1.26" (32mm) jaw size for large ground rods
• Low battery indicator and auto shut off
• Cat. III 300V safety rating
Included
• Resistance Calibration Loop (1Ω and 10Ω)
• Hard Carrying Case
• Batteries
REED Instruments
5
Specifications
Ground Resistance
Ranges: 0.010 to 0.099Ω
0.10 to 0.99Ω
1.0 to 49.9Ω
50.0 to 99.5Ω
100 to 199Ω
200 to 395Ω
400 to 590Ω
600 to 880Ω
900 to 1200Ω
Accuracy: 0.010 to 0.099Ω: ±(1% + 0.01Ω)
0.10 to 0.99Ω: ±(1% + 0.01Ω)
1.0 to 49.9Ω: ±(1% + 0.1Ω)
50.0 to 99.5Ω: ±(1.5% + 0.5Ω)
100 to 199Ω: ±(2% + 1Ω)
200 to 395Ω: ±(5% + 5Ω)
400 to 590Ω: ±(10% + 10Ω)
600 to 880: ±(20% + 20Ω)
900 to 1200Ω: ±(25% + 30Ω)
Resolution: 0.001Ω
0.01Ω
0.1Ω
1Ω
0.5Ω
1Ω
5Ω
10Ω
20Ω
30Ω
continued...
REED Instruments
6
Current
Ranges: 0 to 9mA
10 to 99mA
100 to 299mA
0.30 to 2.99A
3 to 9.9A
10 to 20A
Accuracy: 0 to 9.95A: ±(2.5% + 1mA)
10 to 99mA: ±(2.5% + 5mA)
100 to 300mA: ±(2.5%10mA)
0.30 to 2.99A: ±(2.5% + 0.1A)
3 to 9.9A: ±(2.5 %+ 0.3A)
10 to 20A: ±(2.5 %+ 0.5A)
Resolution:
0.5mA, 0.1mA, 1mA, 0.01A, 0.1A, 0.1A
General Specifications
Range Selection: Auto-ranging
Sampling Time: 0.5 seconds
Display: 9999 count EBTN display
Backlit LCD: Yes
User Selectable Alarms: Yes
Display Hold: Yes
Internal Memory: Yes up to 300 data points
Auto Shut-off: Yes (after 5 minutes)
Power Supply: 4 x AA Batteries
Over Range Indicator: Yes
Low Battery Indicator: Yes
Ω+A Display: Yes
Jaw Opening: 1.26" (32mm)
Overvoltage Category: CAT. III 300V
Product Certications: CE, RoHS
Operating Temperature: 32 to 131°F (0 to 55°C)
Operating Humidity: 10 to 90%
Storage Temperature: -4 to 140°F (-20 to 60°C)
Dimensions: 11.2 x 3.3 x 2.2" (285 x 85 x 56mm)
Weight: 2.6lbs (1180g)
REED Instruments
7
Instrument Description
1. Clamp Jaw Assembly
2. Data Hold Button
3. Measurement Trigger
4. LCD Display
5. Multi-Function Buttons
Display Description
1. Noise Signal Indicator
2. Data Hold Indicator
3. Battery Status Indicator
4. Resistance Measurement
Indicator
5. Resistance Measurement Value
6. Current Measurement Indicator
7. Current Measurement Value
8. Number of Stored Values
9. Internal Memory Full Indicator
10. Data Inquiry Indicator
11. Alarm Indicator
12. Clamp Jaw Open Indicator
REED Instruments
8
Operating Instructions
Power ON/OFF
1. To turn the instrument ON/OFF press the button.
2. At power up, the LCD display will light up while displaying the symbols
shown below.
3. During that time, the instrument will also go through a quick internal
calibration and enter resistance/ground leakage measurement mode
if it passes. Refer to Resistance/Ground Leakage Measurement
Mode for details.
Note: The instrument automatically enters the resistance/earth leakage
measurement mode at start up regardless of the last saved setting.
Note: DO NOT clamp on to any conductor or open the clamp jaws during
the start-up self-calibration.
4. If the instrument does not pass calibration, the LCD display will indicate
"ER" as shown below.
Note: This error could be caused by the clamp jaw not being properly
closed or from any dirt build up on the metal surface of the jaw clamp.
continued...
REED Instruments
9
Auto Power OFF
To preserve battery life, the instrument is programmed to turn itself OFF
after 5 minutes of inactivity. Prior to the instrument turning OFF, the LCD
display will blink for approximately 30 seconds. Press the button to
delay the auto power OFF function and resume normal operation.
Resistance/Ground Leakage Measurement Mode
1.
When instrument is turned on and passes calibration, "OL Ω"
and "0.00 mA" appears on the LCD display as shown below
conrming that you can now measure the resistance/earth leakage
simultaneously.
2. Pull the trigger to open the clamp and clamp onto the circuit
under test.
3. The LCD will display the resistance and ground leakage current
measurement values.
4. If the instrument beeps and the LCD display ashes, the
measurement values are exceeding the critical set alarm. Refer to
Setting the Critical Alarms for details.
Resistance Measurement Mode
1. After the instrument has powered up and passed calibration, press
the MODE button to enter the resistance only measurement mode.
2. "OL Ω" appears on the LCD display as shown below conrming that
you can now measure the resistance.
continued...
REED Instruments
10
3. Pull the trigger to open the clamp and clamp onto the circuit
under test.
4. The LCD will display the resistance value.
5. If the instrument beeps and the LCD display ashes, the resistance
measurement is exceeding the critical set alarm. Refer to Setting the
Critical Alarms for details.
continued...
REED Instruments
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