GE K400 Safety, Test leads, Power isolation, Toxic Materials, Maintenance, Technical Advice

Page 3

Introduction

•This technical manual provides operating instructions for the Druck DBC Series of Dry Well Calibrators.

Safety

•The manufacturer has designed this equipment to be safe when operated using the procedures detailed in this manual. Do not use this equipment for any other purpose than that stated.

•This publication contains operating and safety instructions that must be followed to ensure safe operation and to maintain the equipment in a safe condition. The safety instructions are either warnings or cautions issued to protect the user and the equipment from injury or damage.

•Use suitably qualified * technicians and good engineering practice for all procedures in this publication.

Test leads

•Only use the test leads supplied with the instrument, do not use these test leads with any other equipment.

Power isolation

•Access to the power supply isolator switch must not be obstructed.

Toxic Materials

•There are no known toxic materials used in construction of this equipment.

Maintenance

•The equipment must be maintained using the procedures in this publication. Further manufacturer’s procedures should be carried out by authorized service agents or the manufacturer’s service departments.

Technical Advice

•For technical advice contact the manufacturer.

*A qualified technician must have the necessary technical knowledge, documentation, special test equipment and tools to carry out the required work on this equipment.

This equipment meets the requirements of all relevant European safety directives. The equipment carries the CE mark.

K400 Issue No. 1

i

Image 3

Contents Druck DBC 150/650 Series General Electric Company. All rights reserved Technical Advice SafetyPower isolation MaintenanceTraceability and Calibration Report SymbolsAbbreviations Safety InstructionsTable of Contents CAL Electrical Input Specification DBC-TC models Optional Accessories DBC-TC series Standard Accessories DBC-TC seriesOptional Accessories DBC-TS series Standard Accessories DBC-TS seriesTS Temperature Source TC Temperature CalibratorIntroduction Parts Identification Automatic CalibrationDBC-TS Installation Power SupplyTemperature Probes Important Note Electrical Connections Connection of a Thermocouple sensor Use of screw connections for T/C wiresConnection of a 4-wire RTD Connection of a 3-wire RTDGeneral Operating procedureCalibration with external reference probe External probe connections OPERATI0N Arrow keys +/- keyKey Numeric keysMenu selection screen System Set-up ScreenWorking screen Self-test screen Help/Info screenDual display generated temperature and an input test option Function Modes Reading of the generated temperatureTemperature Reference Selection Internal reference probeExternal reference probe SEL RTD Temperature unit setting System Set-up Language settingKey-padaudio signal Digital interface settingsCalibration Printer settingsProtection code 150.00 C Testing Modes Direct modeFixed step selection Step mode19.00 C 50.00 C Ramp modePreset values mode Measuring an Input Switch Test148.00 C Thermocouple TestingInternal Setting Cold Junction CompensationDirect CAL ModeSpan AbsoluteReading RTD Measurements Pt-100 Using the keys, select the required method and press ent Reading Current Measurements CAL Voltage Measurements high level CAL Volt Voltage Measurements low level Resistance Measurement Serial Communication DBC Series Serial Commands ProtocolTS/ TC Read AaOM 1? Preset mode French German Italian Portuguese Spanish Write Par = floating point Calibration Important NoteCalibration of the standard Reference Probe Input REF RTD Calibration of the millivolt input ranges DBC-TC only Calibration of the mA input range DBC-TC only Calibration of the Volt input range DBC-TC onlyCalibration of the resistance Ohm input ranges DBC-TC only Fault Finding Cleaning Instructions MaintenanceTechnical Specification Standard SpecificationCommon specification Input Range Resolution Accuracy Days Year Electrical Input Specifications DBC-TC models