GE K400 user manual Current Measurements, Direct

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Current Measurements

The DBC-TC series has an input section for direct measurement of mA signal, for example, from a DIN temperature transmitter, directly fitted on the probe under test.

REF T.

INTERNAL SEL RTD

MEASURE

NONE

T/C

RTD

From the Menu Selection Screen, select mA using the and press ent. After selection of the required generation mode (DIRECT, PRESET, STEP, RAMP), the measure MODE display will be immediately recalled, allowing solution of how the mA measurement must be carried out.

MODE

DIRECT

CAL

•Direct

Use the keys and pressing ent, changes the display to the working screen. The top part of the working screen shows the mA electrical signal from the device under test (i.e. a temperature transmitter) and the bottom part, the usual generated temperature parameters.

mA	20.00
RDG:	20.00	mA
150.00		DIRECT
BLK	148.00
	148.00	°C

K400 Issue No. 1

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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 seriesIntroduction TS Temperature SourceTC Temperature Calibrator Parts Identification Automatic CalibrationDBC-TS Temperature Probes InstallationPower Supply 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 keysWorking screen Menu selection screenSystem Set-up Screen Self-test screen Help/Info screenDual display generated temperature and an input test option Function Modes Reading of the generated temperatureExternal reference probe Temperature Reference SelectionInternal 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 of the standard Reference Probe Input CalibrationImportant Note 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 MaintenanceCommon specification Technical SpecificationStandard Specification Input Range Resolution Accuracy Days Year Electrical Input Specifications DBC-TC models

K400 specifications

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