Omega PCL1200 User manual
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User’s Guide
PCL1200
Portable, High Accuracy
Multifunction Calibrator
The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains, and reserves
the right to alter specifications without notice.
omega.com info@omega.com
Servicing North America:
U.S.A.
Omega Engineering, Inc.
Headquarters:
Toll-Free: 1-800-826-6342(USA & Canada only)
Customer Service: 1-800-622-2378 (USA & Canada only)
Engineering Service: 1-800-872-9436
(USA & Canada only)
Tel: (203) 359-1660 Fax: (203) 359-7700
For Other Locations Visit omega.com/worldwide
The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains, and reserves
the right to alter specifications without notice.
omega.com info@omega.com
Servicing North America:
U.S.A.
Omega Engineering, Inc.
Headquarters:
Toll-Free: 1-800-826-6342(USA & Canada only)
Customer Service: 1-800-622-2378 (USA & Canada only)
Engineering Service: 1-800-872-9436
(USA & Canada only)
Tel: (203) 359-1660 Fax: (203) 359-7700
For Other Locations Visit omega.com/worldwide
1. Introduction ...... . ..................................... 1
1.1 Customer Service .......................................... 1
1.2 Standard Equipment ........................................ 1
1.3 Safety information ......................................... 2
2. Calibrator Interface ...................................... 5
2.1 Main Display ............................................. 6
2.3 Cursor control / Setpoint control .............................. 10
3. Using Measure Modes (Lower Display) . .................... . 12
3.1 Measuring volts and frequency ............................... 12
3.2 Measuring mA ............................................. 12
3.3 Measuring Temperature ..................................... 13
3.4 Measuring Pressure ....................................... 14
4. Using Source Modes (Lower Display) ................ . ..... . 16
4.1 Setting 0% and 100% Output Parameters ....................... 17
4.2 Using the Automatic Output Functions .......................... 17
4.3 Sourcing mA ............................................. 17
4.4 Simulating a Transmitter ..................................... 19
4.5 Sourcing volts ............................................. 20
4.6 Sourcing frequency ........................................ 20
4.7 Sourcing a pulse train ...................................... 20
4.8 Sourcing Thermocouples .................................... 21
4.9 Sourcing Ohms/RTDs ....................................... 22
5. Using Isolated Measure Modes
(Upper Display) . ....................................... . 24
5.1 Measuring volts and mA ..................................... 24
5.2 Measuring current with loop power ............................ 24
5.2-1 HART® Resistor Selection ................................. 25
5.3 Measuring Pressure ....................................... 25
6. Using the Upper and the Lower Display for
Calibration and Testing ................................... 27
6.1 Testing an Input or Indicating Device ........................... 27
6.2 Calibrating an I/P Device .................................... 27
6.3 Calibrating a Transmitter .................................... 28
6.4 Calibrating a Pressure Transmitter ............................. 29
7. Remote Operation ....................................... 30
7.1 Setting up the RS-232 Port for Remote Control ................... 30
7.2 Changing Between Remote and Local Operation ................. 31
7.3 Using Commands .......................................... 31
7.4 Remote Commands and Error Codes .......................... 35
7.5 Entering Commands ........................................ 39
8. Specications ........................................... 50
9. Maintenance . . .... . .................................... . 54
1
1. Introduction
The OMEGA PCL1200 Multifunction Process Calibrator is a handheld,
battery-operated instrument that measures and sources electrical
and physical parameters. The calibrator has the following features
and functions:
•A dual display. The upper display is used for the measurement of
volts, current, and pressure. The lower display can be used to
measure volts, current, pressure, resistance temperature detectors
(RTDs), thermocouples, frequency, and resistance, and to source
pulse trains
•A thermocouple (TC) input/output terminal with automatic
reference-junction temperature compensation.
•Five setpoints in each range for increasing/decreasing output
•An interactive menu
•Complete RS232 interface for remote control
•Isolated read back for transmitter calibration.
1.1 Customer Service
OMEGA Engineering
Tel: (203) 359-1660
Fax: (203) 359-7900
www.omega.com
email: [email protected]
1.2 Standard Equipment
Check to see if your calibrator is complete. It should include:
PCL1200 Calibrator, Instruction Manual, Test Leads, Rubber Boot,
Certified Certificate
2
1.3 Safety information
Symbols Used
The following table lists the International Electrical Symbols. Some
or all of these symbols may be used on the instrument or in this
manual.
Symbol Description
AC (Alternating Current)
AC-DC
Battery
CE Complies with European Union Directives
DC
Double Insulated
Electric Shock
Fuse
PE Ground
Hot Surface (Burn Hazard)
Read the User’s Manual (Important Information)
Off
On
3
The following definitions apply to the terms “Warning” and “Caution”.
• “Warning” identifies conditions and actions that may pose hazards
to the user.
• “Caution” identifies conditions and actions that may damage the
instrument being used.
Use the calibrator only as specified in this manual, otherwise injury
and damage to the calibrator may occur.
Warning
To avoid possible electric shock or personal injury:
• Do not apply more than the rated voltage. See specifications for
supported ranges.
• Follow all equipment safety procedures.
• Never touch the probe to a voltage source when the test leads are
plugged into the current terminals.
• Do not use the calibrator if it is damaged. Before you use the
calibrator, inspect the case. Look for cracks or missing plastic. Pay
particular attention to the insulation surrounding the connectors.
• Select the proper function and range for your measurement.
• Make sure the battery cover is closed and latched before you
operate the calibrator.
• Remove test leads from the calibrator before you open the battery
door.
• Inspect the test leads for damaged insulation or exposed metal.
Check test leads continuity. Replace damaged test leads before
you use the calibrator.
• When using the probes, keep your fingers away from the probe
contacts. Keep your fingers behind the finger guards on the
probes.
• Connect the common test lead before you connect the live test
lead. When you disconnect test leads, disconnect the live test lead
first.
• Do not use the calibrator if it operates abnormally. Protection may
be impaired. When in doubt, have the calibrator serviced.
• Do not operate the calibrator around explosive gas, vapor, or dust.
• When using a pressure module, make sure the process pressure
line is shut off and depressurized before you connect it or
disconnect it from the pressure module.
4
• Disconnect test leads before changing to another measure or
source function.
• When servicing the calibrator, use only specified replacement parts.
• To avoid false readings, which could lead to possible electric
shock or personal injury, replace the battery as soon as the battery
indicator appears.
• To avoid a violent release of pressure in a pressurized system, shut
off the valve and slowly bleed off the pressure before you attach
the pressure module to the pressure line.
Caution
To avoid possible damage to calibrator or to equipment under test:
• Use the proper jacks, function, and range for your measurement or
sourcing application.
• To avoid mechanically damaging the pressure module, never apply
more than 10 ft-lb. of torque between the pressure module fittings, or
between the fittings an the body of the module.
• To avoid damaging the pressure module from overpressure, never
apply pressure above the rated maximum printed on the module.
• To avoid damaging the pressure module from corrosion, use it
only with specified materials. Refer to the pressure module
documentation for material compatibility.
5
2. Calibrator Interface
Figure 1 shows the location of the input and output connections on
the calibrator, while Table 1 describes their use.
Figure 1. Input/Output Terminals
Table 1: Input and Output Terminals
No. Name Description
1, 2 Measure Isolated V,
mA terminals
Input terminals for measuring current, voltage,
and supplying loop power.
3 TC input/output Terminal for measuring, or simulating thermcou-
ples. Accepts miniature polarized thermocouple
plugs with flat in-line blades spaced 7.9 mm
(0.312 in) center to center.
4,5 Source/Measure
V,RTD 2W, Hz,
Terminals for sourcing and measuring voltage,
frequency, pulse train, and RTDs
6,7 Source/Measure
mA terminals, 3W
4W
Terminals for sourcing and measuring current,
and performing RTD measurements with 3-wire or
4-wire setups.
8Pressure module
connector
Connects calibrator to a pressure module for
pressure measurements.
9 Serial port Connects calibrator to a PC for remote control.
6
Figure 2 shows the location of the keys on the calibrator. Table 2 lists
the functions of each key.
Figure 2. Keypad
Table 2. Key Functions
No. Name Function
1Function Keys F1,
F2, F3
Used to operate the menu bar at the bottom of
the calibrator display. F1 is used for selecting
options in the left box, F2 for the center box,
and F3 for the right box.
2 Home Returns to home menu on the menu bar.
3Power Turns calibrator on and off.
4Cursor Control Key Left and right arrow keys are used to select
which decade to be changed in output value.
Up and down arrow keys are used to increase,
decrease, or ramp output value.
5Numeric Keypad Allows user to enter Numeric values.
2.1 Main Display
Figure 3. Display
Table of contents
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