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Engineering Reference Tables
40 engineering reference tables for instrumentation, piping and electrical work. Every table is free as an Excel workbook and a print ready PDF, and states the standard or equation it comes from.
40tables
2,147rows of data
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All Engineering Reference Tables
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Temperature12
TemperatureType K Thermocouple Table (mV vs °C)Excel + PDFTemperatureType J Thermocouple Table (mV vs °C)Excel + PDFTemperatureType T Thermocouple Table (mV vs °C)Excel + PDFTemperatureType E Thermocouple Table (mV vs °C)Excel + PDFTemperatureType N Thermocouple Table (mV vs °C)Excel + PDFTemperatureType R Thermocouple Table (mV vs °C)Excel + PDFTemperatureType S Thermocouple Table (mV vs °C)Excel + PDFTemperatureType B Thermocouple Table (mV vs °C)Excel + PDFTemperaturePt100 RTD Table (Ω vs °C)Excel + PDFTemperaturePt1000 RTD Table (Ω vs °C)Excel + PDFTemperatureThermocouple Tolerance Class Table (IEC 60584)Excel + PDFTemperatureRTD Tolerance Class Table (IEC 60751)Excel + PDF
Piping6
PipingCarbon Steel Pipe Schedule Chart (ASME B36.10M)Excel + PDFPipingStainless Steel Pipe Schedule Chart (ASME B36.19M)Excel + PDFPipingSteel Pipe Weight Chart (kg per metre)Excel + PDFPipingPipe Inside Diameter and Flow Area ChartExcel + PDFPipingNPS to DN Pipe Size ChartExcel + PDFPipingFlange Pressure Temperature Rating Table (ASME B16.5)Excel + PDF
Steam and Water5
Electrical7
ElectricalAWG Wire Size Chart (AWG to mm²)Excel + PDFElectricalMetric Cable Size and Resistance Table (IEC 60228)Excel + PDFElectricalIP Rating Chart (IEC 60529)Excel + PDFElectricalNEMA Enclosure Types Chart (NEMA 250)Excel + PDFElectricalNEMA to IP Conversion ChartExcel + PDFElectricalMotor Full Load Current Table (3 Phase)Excel + PDFElectricalElectrical Wire Colour Code ChartExcel + PDF
Instrumentation7
Instrumentation4 to 20 mA Conversion TableExcel + PDFInstrumentationSquare Root Flow and DP TableExcel + PDFInstrumentationISA Instrument Letter Codes Table (ISA 5.1)Excel + PDFInstrumentationHazardous Area Zone and Gas Group TableExcel + PDFInstrumentationHazardous Area Temperature Class Table (T1 to T6)Excel + PDFInstrumentationSIL Level PFD and RRF Table (IEC 61508)Excel + PDFInstrumentationCv to Kv Conversion TableExcel + PDF
Electrical5
ElectricalCable Voltage Drop and Size Selection CalculatorExcel workbookElectricalPower Factor Correction Capacitor CalculatorExcel workbookElectricalUPS and Battery Sizing for Control SystemsExcel workbookElectricalPLC I/O Count and Module CalculatorExcel workbookElectrical4 to 20 mA Analog Scaling TableExcel workbook
Signals and Accuracy3
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Safety4
Temperature2
Frequently Asked Questions
Are these reference tables free?
Yes. Every table can be downloaded as Excel and PDF with no sign up, and used for project work.
Where does the data come from?
Each table states its basis: NIST and IEC reference functions for thermocouples and RTDs, IAPWS IF97 for steam, ASME, IEC, NEMA and ISA standards for the rest.
Can I use them for design?
Use them as a quick reference and check critical values against the current edition of the standard named on each table.
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