Model LR-Cal LPC 300

Features

• Accurate, high resolution, compact, rigid
• Pressure ranges from 0...250 mbar to 0...4000 bar, as well as vacuum, compound and absolute ranges
• Changeable reference pressure sensors LR-Cal LPC-S
• All standard pressure units (plus one self-definable)
• Conversion pressure to volt/milliamps and vice versa
• Stores calibration data (plus time stamp from integrated real time clock)
• Pressure switch test function
• Menu-driven operating in several languags (English, Italian, French, Spanish, German)
• Large illuminated colour display
• Lithium-Ion battery powered
• Power supply 24 VDC output for pressure transmitters
• USB- and RS232-interface
• Calibration certificate, traceable to national standard included in scope of standard delivery (for pressure, current and voltage)

The reference pressure sensors LR-Cal LPC-S are equipped with a welded stainless steel membrane, they are suitable for aggressive media, which do not destroy stainless steel 1.4571.

The LR-Cal LPC 300 features a complete numeric keypad and cursor block, for easy and simple entering of data.

Settable basic parameters:
Several basic parameters can be entered into the LR-Cal LPC 300, e.g. ambient temperature, fluid level difference between reference and unit under test, Language (English/French/Italian/Spanish/German), Setting of the realtime clock, Setting of the display, Setting of the powersafe function, Indicating battery level, Tara value (offset), Indicating Min/Max values, Setting/indicating alarm values, Digital software filter, USB- and RS232 settings.

The electronic pressure calibrator (documenting process calibrator) LR-Cal LPC 300 can be operated in three different modes:

Measuring Mode:
First, the operator defines the unit under test (analogue or digital, pressure range, accuracy class, pressure unit, gauge or absolute pressure, gaseous or fluid calibration medium, power supply 24 VDC on or off).

Then, the comparison calibration can be made: The display shows the pressure range of the LR-Cal LPC-S reference sensor, the true pressure measured by the LR-Cal LPC 300, the pressure range of the unit under test, the output signal of unit under test (measured if it is a transmitter, to be entered manually if it is an analogue pressure gauge), deviation in selected pressure unit of unit under test, deviation in percentage of full scale value of unit under test.
With one view the operator sees wether the unit under test is within it's specification (accuracy class) or not - at every test point.

15 different pressure units are available for selection, plus an user-definable pressure unit. The resolution adjustment (decimal point setting) can be made very comfortable.

Calibration Mode:
In this mode, calibration procedures can be pre-defined, incl. management of units under test. One procedure has following data: Same like "Measuring Mode", plut Calibration Number (program no.), Serial number of unit unter test, location number of unit under test, test pressure points (up to 32 for each unit under test), dwell time (seconds) between test pressure points.

Up to 16 units under test with each 32 test points can be managed by the LR-Cal LPC 300 at a time.

Later on, it can be worked on the pre-defined calibration procedures, e.g. on site. The values are saved in the internal memory of the LR-Cal LPC 300 and can be transmitted to a PC via the USB- or the RS232-interface.

Also, in this "Calibration Mode", the operator can see on one view wether the unit under test is within it's specification or not.

With the optional PC Software LR-Cal LPC-Cal the calibration data can be downloaded to a Windows-PC and printed out (via MS-Excel).

Pressure Switch Test Mode:
After specification of the unit under test (pressure range, power supply 24 VDC On/Off), the electronic pressure calibrator LR-Cal LPC 300 shows the actual status of the pressure switch.

Scope of standard delivery:

• Pressure calibrator LR-Cal LPC 300 with built-in battery pack (Li-Ion)
• Mains charger 110...230 VAC with EU/UK/US adapters
• Set of measuring leads (red/black)
• Swivel nut for fixing the reference sensor on calibrators housing
• Certificate of Calibration for pressure, volts and milliamps
• Operating manual (English or German)

Optional Accessories:

• Protection caps (IP 54) for measuring plugs
• Windows-PC Software LR-Cal LPC-Cal
• Transit case with foams
• Extension cable for connecting reference sensor (if reference sensor shall be operated seperate from calibrator, in every case necessary for high pressure ranges above 1000 bar)
• Reference sensor LR-Cal LPC-S free of oil (some ranges)
• DKD-/DAkkS Certification for pressure reading