Loop
Calibrator
R5820
Instruction
Manual
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Table of Contents
Introduction ................................................................................................ 2
Product Quality ........................................................................................... 3
Safety ......................................................................................................... 3
Features ...................................................................................................... 4
Included ...................................................................................................... 4
Specications .......................................................................................... 4-5
Output Functions ................................................................................... 4
Input Functions ...................................................................................... 5
General Specifications ........................................................................... 5
Instrument Description ............................................................................... 6
Display Description .................................................................................... 7
Operating Instructions ........................................................................... 8-12
Power ON/OFF ...................................................................................... 8
Auto Power-Off ...................................................................................... 8
Output Function ..................................................................................... 8
Output Operation Procedure ................................................................. 9
Current Output ....................................................................................... 9
25% Step Current Output ...................................................................... 9
Current Output Set for Zero Point & Full Scale .................................... 10
Auto-Ramp........................................................................................... 10
Simulating Transmitter Output (XMT) ................................................... 11
Measuring Function ............................................................................. 11
Measuring DC Current .................................................................... 11-12
Measuring DC Voltage ......................................................................... 12
Providing 24V Power Supply for Measuring Loop Current .................. 12
Battery Replacement ................................................................................ 13
Fuse Replacement ................................................................................... 13
Applications .............................................................................................. 13
Accessories and Replacement Parts ....................................................... 14
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Product Care ............................................................................................ 14
Product Warranty ..................................................................................... 14
Product Disposal and Recycling .............................................................. 15
Product Support ....................................................................................... 15
Introduction
Thank you for purchasing your REED R5820 Loop Calibrator. 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 to meet the 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.
To prevent the user and the instrument from electric shock and other
hazards, it is necessary to follow the following regulations:
• Do not operate the instrument in the presence of ammable gas,
explosive gas or vapor.
• Never apply more than 30V between any two terminals, or between
terminal and ground.
• For optimal accuracy, allow the instrument to warm up for 5 minutes
before operating.
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Features
• mA sourcing and measurement
• 5-digit LCD display
• 0 to 28 VDC measurement to check loop voltage
•
Basic measurement/sourcing accuracy of 0.02% and 0.05%, respectively
• Simulate mA and % with 0.001% display span
• Selectable step or ramp outputs
• Internal 24V loop power supply
• Low battery indicator and auto shut off
Included
• Test Leads
• Alligator Clips
• Protective Holster
• Batteries
Specifications
Output Functions
Applicable range from 64.4 to 82.4°F (18 to 28°C), within one year of calibration.
Output Range Output Range Resolution Accuracy Note
Current 20mA 0.000 to 22.000mA 0.001mA
Simu.
transmitter
(absorp.
current)
Loop power 24V - - ±10%
-20mA
0.000 to
–22.000mA
0.001mA
±0.05% of set
value ±4μA
Max 1KΩ at
20mA, see
Note 1
Max 1KΩ at
20mA, see
Note 2
Max output
current up
to 25mA
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Input Functions
Applicable range from 64.4 to 82.4°F (18 to 28°C), within one year of calibration.
Input Range Input Range Resolution Accuracy Note
Voltage 28V
Current 20mA
Loop
power
20mA
-0.200 to
28.000V
-1.000 to
22.000mA
0.000 to
22.000mA
1mV
0.001mA
±0.02% of
reading ±2mV
±0.02% of
reading ±4μA
Input
resistance
2MΩ
Max 1KΩ at
20mA, see
Note 2
Providing
24V loop
power
Note 1: When the battery voltage exceeds 6.8V, the max load is 1KΩ at
20mA. When its voltage lies between 5.8V and 6.8V, the max load
is 700Ω at 20mA.
Note 2: Power supply range: 5 to 25VDC
Note 3: Temperature coefcient: ±0.005% of the range per °C for the
temperature ranges 41 to 64.4°F (5°C to 18°C) and 82.4 to 104°F
(28°C to 40°C).
General Specifications
Display: 5-Digit LCD
Kick Stand: Yes
Battery Life: Approx. 20 hours
Power Supply: 2 AA Batteries
Auto shut off: Yes (after 15 minutes/off)
Low Battery Indicator: Yes
Replaceable Test Leads: Yes
Product Certications: CE
Operating Temperature: 32 to 122°F (0 to 50°C)
Operating Humidity Range: 0 to 85%
Storage Temperature: 14 to 122°F (-10 to 50°C)
Dimensions: 7.1 x 3.5 x 1.9" (180 x 90 x 47mm)
Weight: 8.2oz (500g)
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Instrument Description
R5820
3
4
9
INPUT
7
6
5
8
10
1. LCD Display
2. POWER Button
3. Single Step/Auto
Switch Button
4. 25% Single Step Setting/
Auto Ramp Button
5. 0% & 100% of Setting/
Auto Ramp Start Button
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6. Output/Input Button
7. mA%/V Select Button
8.
9. Output Value
10. Input/Output Terminals
Output Digit
Selection Button
Setting Button
6
Display Description
INPUT
OUTPUT
INPUT
0 FS
V. mA. % Indicates the current output value (unit of measure).
Indicates that the instrument is in output mode.
Indicates that the instrument is in input mode.
Indicates that the instrument is in a calibration state, denoting
that the zero point or the full scale point is now in calibration.
Indicates battery power is low and batteries need to
be replaced.
Indicates which output digit is being set.
Indicates the output ramp type.
Indicates that the output signal is on or off.
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Operating Instructions
Power ON/OFF
Press the POWER button to turn the instrument on. To turn the instrument
off, press and hold the POWER button.
Auto Power-off
As a default the instrument will automatically turn off after 15 minutes
of inactivity. Follow the steps below to Enable/Disable the Auto-Power
Off function.
1. Turn the meter off.
2. Press the POWER button (to display the full screen).
3. Quickly press and hold the RANG button when the instrument is in
the maintenance state as indicated by "1.8.8.888".
4. "AP-XX" will now appear on the display.
5. Press the
indicates that the automatic power-off function is disabled, while
'AP-ON' indicates the automatic power-off function is enabled.
6. Press the 100%/START button to save the required setting.
7. Press and hold the POWER button to exit the maintenance state and
turn the instrument off.
Output Function
The output terminal of the instrument can produce DC voltages set by the
user or simulating resistance.
Caution: Do not apply any voltage to the output terminal during the
operation. If any improper voltage is applied to the output terminal, it
button to toggle between "AP-ON" & "AP-OF". 'AP-OF'
will cause damage to the internal circuits.
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Output Operation Procedure
INPUT
Function
Operation
DCA 20mA 20mA or %
Range
Operation
Display Set Range
00.000mA
00.000 to 22.000mA
or
-025.00mA%
-025.00 to 112.50mA%
or
Current Output
1. Insert one end of the test leads into the
+mA output jack and connect the other
end to the input of the meter, as shown
+LOOP
MAXMAX
V
30V
30V
in the diagram on the right.
2. Press the button and
OUTPUT
XMT+mA-
will appear on the display indicating
that the calibrator is in an output state.
3. Press the mA%/V button to selectthe
output to be either mA or %, in which 0%
+
indicates 4mA and 100% indicates 20mA.
4. Press the buttons to select the output digits.
5. Press the button to change the numerical value of the set digits.
Hold the button and the value will keep varying.
COM
mA
MAX
30V
OUTPUT
25% Step Current Output
1. Connect the test leads to the meter as stated in the Current
Output procedures.
2. Press the
button and
OUTPUT
indicating that the calibrator is in an output state.
3. Press the 25%/RAMP button and
4. Press the mA%/V button to select the set output mA or mA%
5. Press the
button to change the output in a value of 25%,
in which 0% indicates 4mA and 100% indicates 20mA.
6. Press the 25%/RAMP button again to exit.
will appear on the display
will appear on the display.
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Current Output Set for Zero Point & Full Scale
1. Connect the test leads to the meter as stated in the Current
Output procedures.
2. Press the button and
OUTPUT
will appear on the display
indicating that the calibrator is in an output state.
3. Press the 100%/START button. , 0 and FS will appear on
the display.
4. Press the mA%/V button to select the set output mA or mA%.
5. Press the buttons to change the output values at 100%, in
which 0% indicates 4mA and 100% indicates 20mA.
6. Press the mA 100% button to exit.
Auto-Ramp
1. Connect the test leads to the meter as stated in the Current
Output procedures.
2. Press the button and
OUTPUT
indicating that the calibrator is in an output state.
3. Press the STEP/AUTO button and the symbols
" ", "S" and "4mA" will appear on the display indicating that the
calibrator is entering RAMP mode.
4. Press the 25%/RAMP button to change the type of the output ramp
from "S", "F", and "
". " S" indicates a low speed ramp, which
is set to a cycle of 60 seconds. " F" indicates a high speed ramp,
which is set to a cycle of 30 seconds. "
ramp, which pauses 5 seconds at each step.
5. Press the 100%/START button to start output on the selected
output ramp. "ON" will appear on the LCD indicating that the output
is activated. Press the 100%/START button again and the output will
pause on the current value. "OFF" will appear on the display
indicating that the output is deactivated. Press the 100%/START
button again to resume output at the set ramp from the pause value.
Note: When the "OFF" symbol appears, press any one of the
buttons to bring the output back to 0% and 4mA.
will appear on the display
OUTPUT
, "OFF",
" indicates auto-stair step
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Simulating Transmitter Output (XMT)
1. Insert one end of the test lead
to the "XMT" output jack of the
+LOOP
calibrator and connect the other
end with the input terminal of the
user's instrument as shown in the
following diagram:
2. The button-operation is the same
as that as indicated in the
Current Output section.
5--25VDC Power
• Power supply range: 5 to 25VDC.
• During an output operation, use a external 24VDC power supply in
order to prolong battery life.
INPUT
MAX
V
30V
XMT+mA-
mA
MAX
MAX
COM
30V
30V
OUTPUT
+
Power
Measuring Function
• Never apply more than 30V between any two terminals, or between any
terminal and the ground. Any voltage more than 30V could result
in damage to the calibrator, as well as personal injury.
• During operation, do not apply a voltage or current exceeding the
measuring range to the input terminal. This could cause damage to
the calibrator.
• During the operation, turn off the instrument before connecting the
calibrator. Connecting to the Calibrator without it being shut it down
may cause damage.
Measuring DC Current
1. Insert one end of the test lead into the mA
input terminal and connect the other end
to the output of the user's instrument as
shown in the following diagram:
2. Press the
button till
INPUT
appears
on the display. This indicates that the
calibrator is in an input state.
+LOOP
INPUT
V
30V
mA
MAX
MAXMAX
COM
30V
30V
OUTPUT
XMT+mA-
+
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3. Press the mA%/V button to select mA or mA%. The value of 0%
indicates 4mA and the value of 100% indicates 20mA.
4. The unit refreshes twice per second. If the measured value
exceeds the measuring range, the display will indicate the symbol
"-OL-" (overload).
Measuring DC Voltage
1. Insert one end of the test lead into
the V input jack of the calibrator and
+LOOP
connect the other end with the output
of the user's instrument as show in the
following diagram:
2. Press the button until
INPUT
appears on the display. indicating that
the calibrator is in an input state.
3. Press the mA%/V button 3 times to
select the V function, indicated by "V" on the display.
4. The unit refreshes twice per second. If the measured value exceeds
the measuring range, the display will indicate the symbol
"-OL-" (overload).
INPUT
MAX
MAX
V
30V
30V
XMT+mA-
+
M
COM
mA
MAX
30V
OUTPUT
Providing 24V Power Supply for Measuring Loop Current
1. Insert the test lead into the +LOOP
& mA input jacks of the calibrator as
shown in the following diagram:
2. The operations are the same as
described in the Measuring DC
Currect procedures.
+LOOP
INPUT
MAX
MAX
V
30V
30V
XMT+mA-
+
Transmitter
COM
mA
MAX
30V
OUTPUT
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Battery Replacement
1. Turn the power off the meter and
remove any test leads that may be
attached to the meter.
2. Lift the tilt stand on the back of
the unit to access the battery
compartment door which can
be removed using a Phillips
head screwdriver.
3. Replace the 2x AA batteries in
the lid of the battery compartment.
4. Reinstall the compartment lid by
ensuring that the battery terminals touch the unit's contact points
and snap into place.
5. Tighten the screw to secure the battery compartment door.
Fuse Replacement
1. Remove the test leads from the
meter and turn the meter OFF.
2. Take off the protective boot,
remove the four screws by
using a standard-blade
screwdriver, and then take
off the cover.
3. Replace the blown fuse(s).
4. Reinstall the cover.
5.
Reinstall the meter's
protective boot.
Applications
• Testing loop powered isolators and two-wire transmitters
• Verifying and calibrating processes involving mA instrumentation
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Accessories and Replacement Parts
CA-05A Soft Carrying Case
R9940 Hard Shell Carrying Case
R1000 Safety Test Lead Set
R1020 Fused Test Lead Set
Don't see your part listed here? For a complete list of all accessories and
replacement parts visit your product page on www.reedinstruments.com.
Product Care
To keep your instrument in good working order we recommend the following:
• Store your product in a clean, dry place.
• Change the battery as needed.
• If your instrument isn't being used for a period of one month or longer
please remove the battery.
• Clean your product and accessories with biodegradable cleaner. Do not
spray the cleaner directly on the instrument. Use on external parts only.
Product Warranty
REED Instruments guarantees this instrument to be free of defects in
material or workmanship for a period of one (1) year from date of shipment.
During the warranty period, REED Instruments will repair or replace, at no
charge, products or parts of a product that proves to be defective because
of improper material or workmanship, under normal use and maintenance.
REED Instruments total liability is limited to repair or replacement of the
product. REED Instruments shall not be liable for damages to goods,
property, or persons due to improper use or through attempts to utilize the
instrument under conditions which exceed the designed capabilities. In
order to begin the warranty service process, please contact us by phone at
1-877-849-2127 or by email at info@reedinstruments.com to discuss the
claim and determine the appropriate steps to process the warranty.
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Product Disposal and Recycling
Please follow local laws and regulations when disposing or recycling your
instrument. Your product contains electronic components and must be
disposed of separately from standard waste products.
Product Support
If you have any questions on your product, please contact your authorized
REED distributor or REED Instruments Customer Service by phone at
1-877-849-2127 or by email at info@reedinstruments.com.
Please visit www.REEDINSTRUMENTS.com for the most
up-to-date manuals, datasheets, product guides and software.
Product specifications subject to change without notice.
All rights reserved. Any unauthorized copying or reproduction of
this manual is strictly prohibited without prior written permission
from REED Instruments.
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