Model
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black
R8801
Voltage/Current Calibrator
Instruction
Manual
www
reedinstruments
www.GlobalTestSupply.com
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Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black
Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Table of Contents
Safety ............................................................................................ 3
Features .........................................................................................3
Specications ................................................................................ 3
Instrument Description .................................................................. 4
Operating Instructions ................................................................5-8
DC Voltage Source .....................................................................5
Loop Voltage Source ..................................................................5
DC Current Source ..................................................................... 5
Analog Converter ........................................................................ 6
Ramp Function ........................................................................6-7
Auto Power Off ........................................................................... 7
Battery Replacement ..................................................................... 8
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reedinstruments
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2
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black
Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Safety
• Do not use the meter if any parts are damaged or if the back cover
is open.
• Never apply over 30V between any two terminals or a terminal and
grounding terminal.
• Get this instrument professionally calibrated every year to ensure
accuracy. Contact info@reedinstruments.com for information.
Features
• Source Voltage and Current
• Ramp Voltage and Current
• Loop Power
• Auto Power Off
• USB Interface
Specifications
LCD Size: 40 x 63mm
Temperature Coefcient: ±0.005% x measuring range /
°C (0 to 18°C, 28 to 50°C)
Power Supply: 1 x 9V Battery
Dimensions & Weight: 193 x 96 x 47mm / 0.45kg
Includes: Test Leads, USB Cable, Software, Carrying
Case, and Batteries
Output
Measuring
Range
DC V 20V 0 to 20V 0.001V
DC A 22mA
Analog Converter 22mA
Loop Power 24V ±10%
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Output
Range
0 to 22mA 0.001mA
reedinstruments
Resolution Accuracy
±(0.03% rdg.
+ 2 dgts)
com
3
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black
Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Instrument Description
1. LCD Screen
2. mA Button
3. Voltage Button
4. RAMP SET Button
5. Directional Pad
6. Negative V Terminal
7. Positive V Terminal
8. Negative mA Terminal
9. Positive mA Terminal
10. Power Button
11. USB Button
12. RAMP Button
Display Description
1. Auto Power Off
2. Low Battery
3. Output Indicator
4. USB Connection
5. Digit Select Indicators
6. mA Icon
7. Voltage Icon
8. Button Lock
9. Reading
10. Negative Reading
11. Ramp Status Icon
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www.GlobalTestSupply.com
reedinstruments
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4
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black
Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Operating Instructions
DC Voltage Source
Use the DC Voltage Source function for high accuracy voltage output.
1. Turn the meter on by pressing and holding the Power button.
2. Press the Voltage button. The Voltage Icon will appear on the
LCD.
3. Press the left or right directional buttons to adjust the position
of the Digit Select Indicators. Press the up and down buttons to
adjust the output value.
4. Insert a Red Test Lead into the Positive V Terminal and a Black
Test Lead into the Negative V Terminal. Connect the test leads to
the loading device.
Loop Voltage Source
Use the Loop Voltage Source function for low accuracy voltage output.
The output is a xed 24 Volts. Under any measurement, insert a Red Test
Lead into the Positive mA Terminal and a Black Test Lead into the
Negative V Terminal. The maximum load current will be 22mA.
DC Current Source
1. Turn the meter on by pressing and holding the Power button.
2. Press the mA button. The mA Icon will appear on the LCD.
3. Press the left or right directional buttons to adjust the position
of the Digit Select Indicators. Press the up and down buttons to
adjust the output value.
4. Insert a Red Test Lead into the Positive mA Terminal and a Black
Test Lead into the Negative mA Terminal. Connect the test leads
to the loading device.
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5
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black
Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Analog Converter
1. Turn the meter on by pressing and holding the Power button.
2. Press the mA button. The mA Icon will appear on the LCD.
3. Press the left or right directional buttons to adjust the position
of the Digit Select Indicators. Press the up and down buttons to
adjust the output value.
4. Insert a Test Lead into the Negative mA Terminal and a Test Lead
into the Negative V Terminal. Connect the test leads to the loading
device. The nominal input voltage is 12 to 28V.
Ramp Function
Use the Ramp function to change the output voltage or current in regular
increasing or decreasing values.
1. Turn the meter on by pressing and holding the Power button.
2. Press the RAMP SET button. The Ramp Status Icons will appear
on the LCD.
3. Press the Voltage button to select Voltage Ramp Set Mode,
indicated by a “V” on the display. Press the mA button to select
Current Ramp Set Mode, indicated by a “mA” on the display.
4. Press the left directional button to select a cyclical pattern, which
will be indicated by “L0” on the LCD. Press the right directional
button to deselect the cyclical pattern.
5. Press the up and down buttons to select the ramp range.
6. Press the RAMP button to select the ramp pattern.
The corresponding icon will appear on the LCD:
Slow
(1 sec/value):
7. Insert a Red and Black Test lead into the corresponding terminals
based on the output (Voltage: V Terminals, Current: mA Terminals).
8. Press the up button to start the Ramp Function. Press the down
button to pause the Ramp Function. While Paused, press the up
and down buttons to increase and decrease the output.
Quick
(0.5 sec/value):
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Step
(5 sec/value):
com
6
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black
Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
The chart below indicates the Ramp settings you can choose on the
meter. If the meter is plugged into a computer via USB it can support
functions for any range and stepping value.
Voltage Ramp Rule
Range Ramp Mode Step Value Interval (sec.)
0 to 5V
0 to 10V
0 to 20V
Slow 0.125V 1
Quick 0.125V 0.5
Stepping 1.000V 5
Slow 0.250V 1
Quick 0.250V 0.5
Stepping 2.000V 5
Slow 0.250V 1
Quick 0.250V 0.5
Stepping 2.500V 5
Current Ramp Rule
Range Ramp Mode Step Value Interval (sec.)
4 to 20mA
0 to 20mA
0 to 10mA
Slow 0.250mA 1
Quick 0.250mA 0.5
Stepping 2.000mA 5
Slow 0.250mA 1
Quick 0.250mA 0.5
Stepping 2.000mA 5
Slow 0.200mA 1
Quick 0.200mA 0.5
Stepping 1.000mA 5
Auto Power Off
The meter will automatically turn off after 5 minutes of inactivity. Press the
Power and Voltage button at the same time to turn off the Auto Power Off
function.
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7
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black
Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Software
1. While the meter is on, connect the USB cable to the port on the
meter and a computer.
2. Insert and install the included software on the computer.
3. When connected to a computer the buttons on the meter will lock,
indicated on the LCD screen.
Battery Replacement
To view the current battery voltage press the Power and Voltage buttons.
The voltage of the battery will appear on the LCD. If the voltage is below
5.6V the low battery icon will appear indicating you will need to change
the batteries.
1. Turn off the meter and unplug any test leads.
2. Unscrew and remove the back cover.
3. Replace the battery and put the back cover back on. Be sure it is
secured properly before turning the meter back on.
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