Radian RM-111 User manual

Operations Manual
Radian Research, Inc.
RM-111
Automated Comparator

RM-111
Operations Manual
Operations Manual
Radian Research, Inc.
Radian Research reserves the right to change
any information provided within this document
without notice. 11-14
944012.B
Automated Comparator

RM-111 Operations Manual
Contents
Contents
3
1.0 Product Introduction ................................................. 5
1.1 Features ......................................................................................... ............................6
2.0 Specifications .........................................................8
2.1 Physical ......................................................................................................................8
2.2 Electrical .....................................................................................................................8
2.3 Environmental .............................................................................................................8
2.4 Accuracy .....................................................................................................................9
2.5 Inputs (Ports A, B, C and D) .......................................................................................9
2.6 Outputs (Port D Only)................................................................................................10
2.7 Output Accessories ...................................................................................................10
3.0 RM-111 Keypad Conventions ...................................... 12
4.0 Menu Structure ...................................................... 15
4.1 Main Menu................................................................................................................15
4.2 Detailed Description of Menu Items ..........................................................................19
5.0 Inputs ................................................................. 22
5.1 Reference Standards (Open Collector).......................................................................22
5.2 Device Under Test (D.U.T.) ........................................................................................22
5.3 RM-1S ......................................................................................................................22
6.0 Outputs (Port D Only)................................................ 23
6.1 RM-1P ......................................................................................................................23
6.2 Open Collector ..........................................................................................................23
6.3 RM-1R, Electronic/Mechanical Potential Relay .........................................................23
7.0 Testing a Standard using the Average of One to Three
Reference Watthour Standards ................................... 24

RM-111 Operations Manual
Contents
Contents
4
8.0 True Three Phase Standard Testing ................................30
9.0 Testing a Radian Standard (Display Gating).......................35
10.0 Testing an Electromechanical Standard...........................40
11.0 Testing an Electronic Standard with Taps (Potential Gating) ..45
12.0 Testing an Electronic Standard (Electronic Gating) .............50
13.0 Testing an Induction or Solid State Meter Via KYZ ..............55
14.0 Testing a Solid State Meter Using Calibration LED Output
or Induction Meter Using an Edge Test ............................62
15.0 True Three Phase Meter Testing Using Customer Load .........69
16.0 Testing the Accuracy of a Test Board
(RM-1P Electronic Light Valve Option).............................74
17.0 Testing the Accuracy of a Test Board
(Open Collector Option) ..............................................77
18.0 Interfacing a Solid State Meter to a Test Board
(Open Collector Option) ..............................................80
19.0 Interfacing a Solid State Meter to a Test Board
(RM-1P Electronic Light Valve Option).............................83
20.0 Pulse Constants and Kh values for the RM-111 ..................86
21.0 Calculations............................................................87
22.0 Testing Accessories ..................................................89
23.0 Warranty Service ......................................................96

RM-111 Operations Manual
Product Introduction
Product Introduction
5
1.0 Product Introduction
The RM-111 Automated Comparator is a compact, easy to use, hand-held instrument that allows
for digitally comparing a primary reference standard (usually one, two or three Radian RM or RD
primary standards) to any standard, test board, or solid state or induction meter. The RM-111 uses
precise digital counters to count and compare calibration pulses from either reference standards
or billing meters. The RM-111, after programmed with specific test parameters, automatically
calculates and displays results in a user defined display of either percent registration or percent
error.
For field use, the RM-111 provides the user with an efficient means of testing both solid state
and induction meters. The RM-111 tests true three phase and series single phase and provides
calculations for full load, power factor, light load and demand. With capabilities to store results for
up to 100 meter tests and 28 standard tests, the RM-111 is a cost efficient alternative to carrying
expensive notebook computers in the field. For further test enhancement, the RM-111 can be
used with various Radian software applications for data collection and device/test configuration.
In addition to saving and uploading test results, the RM-111 can print results using the RM-RPP
Portable Printer.
Note: If you have a RM-RPP printer serial number 100017 or larger you will need to configure the
printer for 1200 baud and use a null adapter (supplied with printer). The printer will not function
correctly without the setup procedure being performed. For detailed instruction consult the
instruction CD supplied with the printer (see section 6 “Function Setting”).
In the meter shop, the RM-111 automates testing of any electronic or electromechanical watthour
reference standard. Up to three reference standards can be averaged together to provide a more
precise and repeatable references. The RM-111 can also sum up to three reference standards for
the testing of both polyphase standards and meters. In the laboratory, test automation is achieved
by using existing voltage and current sources with the RM-111 and Radian software. This
combination provides result calculation, data management and uploading options.

RM-111 Operations Manual
Product Introduction
Product Introduction
6
1.1 Features
• Tests any electronic or mechanical standard
• Tests any test board
• Tests any solid state or induction meter
• Operates as a pulse divider for interfacing with other products
• Ability to average or sum up to three reference standards
• Preforms single phase or polyphase testing
• Environment resistant
• Powered from a 9 volt battery or AC adapter
• Optional on-site printing capabilities
• Optional potential gating capabilities
• Optional Radian software applications available for data collection and
device/test configuration
• Stores up to 80 meter and 12 standard test setup
• Stores results for up to 150 meter and 28 standard tests
• Utilizes pulse counting as the preferred testing method
• Low battery indication

RM-111 Operations Manual
Product Introduction
Product Introduction
7

RM-111 Operations Manual
Specifications
Specifications
8
2.0 Specifications
2.1 Physical
Length: 190mm (7.5")
Width: 105mm (4.0")
Height: 33mm (1.25") approx.
Weight: .85 lbs approx.
Case Construction: Flame resistant ABS plastic with
polycarbonate label / keypad.
Keypad good for 1 million cycles
2.2 Electrical
Power: 9 volt battery or 9-12 volt AC adapter
Power Consumption: 171 mW typical, 1.150 W maximum
2.3 Environmental
Temperature: -20º to 70º C (-4º to 158º F) normal
operating conditions
Relative Humidity: 0 - 95%
Shock and Vibration: Any which is nondestructive
Water Resistance: Unit is splash proof, but it is not air
tight
Orientation: Any, unless using the RM-1R electronic/mechanical relay
accessory.When using the electronic option, the arrow in the
relay box must remain in the upward position with repect to
the horizon.

RM-111 Operations Manual
Specifications
Specifications
9
2.4 Accuracy
Digital Gating
Total % Error: Open collector less than: .0001
Potential Gating
Total % Error: Electronic output less than:
(.0005 sec / T) + (Ipot * .02 ohms / Vpot) * 100
Potential Gating
Total % Error: Mechanical Output less than:
(.002 sec / T) + (Ipot * .004 ohms / Vpot) * 100
(T: length of test in seconds)
(Ipot: current draw of potential)
(Vpot: potential test voltage)
2.5 Inputs (Ports A, B, C and D)
Pull-Up Port A: 150 ohm
Pull-Up (Ports B, C, D): 150 ohm / 1000 ohm, user defined,
Maximim Input voltage (Ports A and B): 5 volts - 500mW zener clamp at 6.2 volts (85mA
maximum zener current)
Maximum Input Voltage (Ports C and D): 25 volts - 500 mW zener clamp at 33 volts (14.4mA
maximum zener current)
Maximum Frequency (Ports A - D): 2.1 MHz per port
Minimum Input Pulse Width (Ports A - D): 200nS
Schmitt Trigger Levels: Ports A and B Ports C and D
Positive going threshold Max.: 1.90V 2.10V
Positive going threshold Typ.: 1.39V 1.65V
Negative going threshold Typ.: 0.67V 0.93V
Negative going threshold Min.: 0.23V 0.53V
Minimum hysteresis: 0.40V 0.40V
Maximum hysteresis: 1.40V 1.40V

RM-111 Operations Manual
Specifications
Specifications
10
2.6 Outputs (Port D Only)
Type: Open collector with 1000 Ohm pull-up to 5V.
Maximum input current: 100 mA (If using RM-10-01 with serial number below
501000 the maximum number of standards the RM-111
will support is 6. The RM-111 will support more of the
newer generation standards).
Vmax Pull Up: 25 volts - 500mW zener clamp at 33 volts
(14.4mA maximum current)
Typical State: Open
2.7 Output Accessories (Port D Only)
RM-1R Electronic/Mechanical Potential Relay
Mechanical Relay Specifications
Type: Coin silver dry contact relay
Resistance: .004 ohms typical, .005 ohms maximum
Imax: 5 amps AC RMS
Vmax: 630 volts AC RMS (relay clamped at 680V)
VA max Switch: 125 VA inductive
Operate Time: 8 mS maximum
Release Time: 8 mS maximum
Offset Time: 2 mS maximum
Dielectric Withstand: 2.5kV to any other part of the unit

RM-111 Operations Manual
Specifications
Specifications
11
Electronic Relay Specification
Type: Mercury wetted reed relay
Resistance: .020 ohms typical, .050 ohms maximum
Imax: 1 amp AC RMS
Vmax: 630 volts AC RMS (relay clamped at 680V)
VA-max Switch: 10 VA inductive
Operate Time: 2 mS maximum
Release Time: 2 mS maximum
Offset Time: 0.5 mS maximum
Dielectric Withstand: 2.5 kV to any other part of the unit

RM-111 Operations Manual
Keypad Conventions
Keypad Conventions
12
3.0 RM-111 Keypad Conventions
14
13
12
11
10
9
8
7
6
4321
15
1. PORT A Input
2. PORT B Input
3. PORT C Input
4. PORT D Input/Output
5. Serial Port
6. Pickup
7. 9-12V DC Input Jack
8. Cancel
9. Enter
10. Up/Down Arrow Keys
11. Left/Right, Yes/No Arrows keys
12. Shift
13. Alphanumeric Keypad
14. On/Off
15. LCD Intensity
16. 4 Line 16 Character per Line LCD
5
16

RM-111 Operations Manual
Main Menu
Main Menu
13
1 Port A: Input
2 Port B: Input
3 Port C: Input
4 Port D: Input/Output
5 Serial Port: Interface for communications with PC or RM-RPP printer
6 Pickup: Interface for either the RR-1H Optical Pickup for infrared LED, the RR-DS Meter
Disk Sensor, or the RR-KYZ Pulse Input Adapter
79V DC Input: 9-12V DC adapter
8Cancel: When traversing menus on the RM-111 the CANCEL key performs similar
functionality to the ESCAPE key on most software applications. Specifically, it should back the
user out of the displayed menu leaving any parameters unchanged.
9Enter: This key serves as the primary selection key in the menu structure and as the start/stop
test key for running a test. It serves the same function as the START button on the RM-109, but it
can also stop the test at anytime and get a result calculated from the comparison of the pulse count
between a standard and a device under test when running a manual length test. The ENTER key
moves the user into or down the menu structure while the CANCEL key moves the user out of or
up the menu structure.
10 Up/Down Arrow Keys: These keys control vertical cursor movement for scrolling through
menu items and results. If there are more than four menu items or four lines of result data an
up or down movement is required for viewing purposes. An up or down arrow icon will appear
in the upper right or lower right corner of the LCD. These icons direct the user to scroll in the
appropriate direction.
11 Left/Right Arrow and Yes/No Keys: These keys control horizontal cursor movement within
a keypad entry field and enables the user to scroll through multiple test result files. When viewing
results, either a left or right arrow will be present on their respective upper corners of the LCD
indicating the direction the user needs to move to see all of the results. Test parameters of the RM-
111 can often be answered/set with the YES/NO keys. Direct keypad entry of the YES/NO key
will also satisfy those parameters.

RM-111 Operations Manual
Main Menu
Main Menu
14
12. Shift: The SHIFT key puts the keypad in TXT mode activating the letters on the keypad as the
user input mode. Pressing SHIFT again returns the keypad to the default mode (normal operating
mode) of NUM where the normal input is once again numerical.
13. Alphanumeric Keypad: Numeric keypad entry is direct when the RM-111 is in the NUM
input mode. Character input is achieved via the keypad when the SHIFT key is pressed as
described above. Once in the TXT input mode, keypad entry scrolls through the letters on the
selected key with every press of that key. For example, there are either two or three letters
assigned to every number key. Moving among characters on the LCD is done with the LEFT/
RIGHT ARROW keys. Moving between lines is done with the UP/DOWN ARROW keys.
14. The ON key turns the RM-111 power on. The OFF key turns the RM-111 power off. Note
that the RM-111 boasts a user configurable time out feature and will shut itself off after a pre-set
time. However, it will not time out during a test or while in RM-111 Link Mode.
15. LCD: Allows the contrast to be adjusted by pressing and holding down the LCD key and
using the UP/DOWN ARROWS for increasing and decreasing contrast level, respectively.
Releasing the LCD key returns the RM-111 to normal operating mode.
16. LCD Display: 16 character 4 line liquid crystal display.

RM-111 Operations Manual
4.0 Menu Structure
All menu items should be selected by one of two methods. First, by direct keypad entry of the
number to the left of the desired menu option. Second, by moving the cursor using the UP/
DOWN ARROW keys to the desired selection and pressing ENTER. A maximum of 8 menu items
are allowed. Four menu items are visible on the LCD at one time. A DOWN ARROW icon is
placed in the lower right corner of the display for menus containing additional menu items. The
unseen menu items can be viewed by using the RM-111’s DOWN ARROW key to move down
the menu. When the user is at the bottom of the menu an UP ARROW icon will appear in the
upper right corner of the display. This indicates that the user must move up the menu structure for
previous items. The UP ARROW key is used to move back up the menu structure.
4.1 Main Menu
1 RUN TESTS
2 RESULTS
3 TEST SETUPS
4 PREFERENCES
Main Menu and Sub-Menus
1 RUN TESTS
1 Test Standard
2 Test Meter
3 Test Board
4 Pulse Divider
Main Menu
Main Menu
15

RM-111 Operations Manual
2 RESULTS
1 STANDARD TEST
1 View Result
2 Print Result
3 Delete Result
4 Delete All
2 METER TEST
1 View Result
2 Print Result
3 Delete Result
4 Delete All
3 TEST SETUPS
1 STANDARD TEST
1 Edit
2 Create
3 Delete
2 METER TEST
1 Edit
2 Create
3 Delete
Main Menu
Main Menu
16

RM-111 Operations Manual
4 PREFERENCES
1 RS-111 Link Mode
2 Result Display
1 % Registration
2 % Error
3 Result Digits
1 One digit
2 Two Digit
3 Three Digit
4 Kh Format
1 Wh/Pulse
2 Pulses/Wh
5 User Prompts
Enter Voltage
Enter Test Amps
Enter Meter Form
Enter Tester ID#
Enter Manufacturer ID#
Enter Beep
Main Menu
Main Menu
17

RM-111 Operations Manual
6 Time/Date
Time: HH:MM:SS
Date: MM-DD-YY
7 Power Saver
Time in minutes (0-30)
8 About
RM-111
S/N: XXXXXX
Rev: Vxx.xx.xx
Main Menu
Main Menu
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RM-111 Operations Manual
Main Menu
Main Menu
4.2 Detailed Description of Menu Items
Run Test
Test Standard - Mode used for testing all standards.
Test Meter - Mode used for testing all meters and testing mechanical standards by pulse counting.
Test Board - Mode used for testing the accuracy of test boards.
Pulse Divider - Mode used for interfacing solid state meters with test boards. It also provides
basic pulse dividing.
Results
View Results - Allows user to view test results. Up to 100 meter and 28 standard test results
can be stored and viewed from the RM-111. The LEFT/RIGHT ARROW keys move among the
different sets of results. The UP/DOWN ARROW keys move within a single result field to allow
all of the result data to be seen.
Print Results - When used in conjunction with the optional RM-RPP Portable
Thermal Printer, the RM-111 can print results on site
Delete Results - Allows for deleting the test results one set at a time. Use the
arrow keys to select the results to be deleted.
Delete All Results - Allows for deleting all test results in one step.
Test Setups
Standard Test
Edit – Allows user to edit all applicable parameters of an existing standard test setup.
Create – Allows user to create a new standard test setup.
Delete – Allows user to delete a standard test setup.
METER TEST
Edit – Allows user to edit all applicable parameters of an existing meter test setup.
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