Trade4asia Electrical Calibration Standards TH0490 Bisector Current Ratio Standard

TH0490 Bisector Current Ratio Standard

Electrical Calibration Standards

The TH0490 Bisectional Current Ratio Standard Series is engineered for precision broadband current measurement and calibration. It divides an input AC or DC current into two equal, phase-matched output channels with extremely small ratio deviation and phase displacement. The TH0490 is ideal for metrology institutes, R&D environments, calibration laboratories, and automated precision measurement systems requiring high accuracy up to 5kHz and 100kHz bandwidth versions.

Model	TH0490-5kHz	TH0490-100kHz
Function	Current Ratio Standard (up to 5kHz)	Current Ratio Standard (up to 100kHz)
Nominal Input Current Range	100 mA — 20 A	100 mA — 20 A
Bandwidth	53 Hz — 5000 Hz	53 Hz — 100 kHz
Ratio Measurement Uncertainty (k=2)	≤ 3–15 ppm depending on current and frequency	≤ 4–18 ppm depending on current and frequency
Phase Displacement Error (k=2)	≤ 3–15 µrad depending on load and frequency	≤ 4–18 µrad depending on load and frequency
Loop Load	5 Ω — 20 Ω (model dependent)	5 Ω — 20 Ω (model dependent)
Application Type	Low to mid-frequency calibration	High-frequency precision metrology

Key Features

Precision bisectional current output with minimal ratio deviation
Extremely low phase displacement ensures accurate vector measurement
Wide frequency coverage up to 5 kHz or 100 kHz depending on model
Compatible with reference-grade calibrators, power analyzers, and metering systems
Ideal for high-accuracy AC/DC ratio calibration and measurement traceability
Supports low load impedance design for minimal signal loss
Stable long-term metrological characteristics suitable for national standards labs
Engineered for automated calibration benches and precision measurement systems
Optimized for harmonic, phase shift, and wideband electrical parameter testing

ONsys Technologies OPC Pvt Ltd

Ajay Singh Kushwah ✔ Verified

Maharashtra, Thane West

GST
8 Months Ragular

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TH0490 Bisector Current Ratio Standard