Technical toolbox
Automation and BMS calculators.
Choose a tool, check the units and assumptions, and compare the result with the worked example.
Pt100 Resistance to Temperature
Estimate temperature from a Pt100 resistance using a linear model.
Open calculator →NTC Resistance to Temperature
Estimate NTC temperature from resistance, reference resistance and beta coefficient.
Open calculator →Frequency to Synchronous Speed
Find synchronous motor speed from supply frequency and pole count.
Open calculator →Synchronous Speed to Frequency
Find frequency corresponding to a synchronous speed and pole count.
Open calculator →BACnet Instance Planning
Combine building, panel and device numbers into a planning identifier.
Open calculator →Modbus Register Offset
Convert a 4xxxx holding-register reference to a zero-based offset.
Open calculator →CIDR Subnet Mask
Calculate the IPv4 mask and address capacity for a CIDR prefix.
Open calculator →RS-485 Distance Planning Estimate
Show a rough distance estimate for a selected baud rate.
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