Micro Motion® Model 7950 and Model 7951 Signal Converters

InputsDensity, base density, and viscosity inputsAvailable inputs4 inputs available — to receive density, base density, and viscosity measurements.The exact quantity of inputs depends on the software fitted to the signal converter.Sensor frequency 100 µs to 5000 µsSensor frequency accuracy± 6 ppm typicalInput trigger level 0.5 V (maximum input level: 30 V)ResolutionInput impedance1 ns at 1.5 Hz for 1 second sampling10 kΩ nominalAnalog inputsAvailable inputs 7950 4 inputs available (standard) or 8 inputs available (optional)7951 4 inputs available (standard)For converters with D-type connectors, 10 inputs available (optional)For converters with Klippon connectors, 8 inputs available (optional)TypeSpan selectionAccuracyResolutionSampling time4 to 20 mA or 0 to 20 mAUnlimited (keyboard selectable)Less than ± 0.008% full scale20 bit (1 part per million)50 ms per channelTemperature – RTDAvailable inputsConfigurationTemperature rangeLimits of error and resolution(100 Ω RTD calibrated inoperating region)Sampling cycle time4 inputs available, using the first 4 analog channels4-wire, with the Power return line connected to analog input ground–364 °F to +428 °F (–220 °C to +220 °C) for 100 Ω RTDMaximum error: ± 0.1 °F (± 0.05 °C)Resolution: ± 0.04 °F (± 0.02 °C)50 ms per channelStatusAvailable inputs 7950 8 opto-coupled/fully floating inputs7951 For converters with D-type connectors, 10 inputs available (standard) or18 inputs (optional)For converters with Klippon connectors, 6 inputs availableInput voltage requiredUpdate rate3 to 30 V per channel250 ms maximumMicro Motion ® Model 7950 and Model 7951 Signal Converters 3