TH0480 Resistance Time Constant Standard

1. Summary

TH0480 is a time constant resistance standard, nominal resistance 1Ω, nominal output voltage 1V.It has good AC/DC difference and phase displacement index. The time constant calibration uncertainty can reach 0.1ns.

2. Feature

• Typical Value of AC/DC Difference: 1 ppm

• Typical Value of Phase Displacement: 1 μrad

• Working Frequency: DC，50 Hz ~ 100 kHz

• Time constant: better than 5 ns

• Maximum working current: 2 A

3. Specification

Frequency	53 Hz	400 Hz	1 kHz
Maximum AC/DC difference (ppm)	1	2	3
Phase Displacement (μrad)	1	2	3

4.General Specifications

Power Supply	——
Temperature Performance	Working temperature: 18 °C ~ 28 °C； Storage temperature: 0 °C ~ 45 °C；
Humidity Performance	Working humidity:（20% ~ 85%）R·H，no condensation; Storage Humidity: ≤95% R·H，no condensation.
Weight	About 2.0 kg
Input/output Interface	Input/Output: N female
Maximum Dimensions	125 mm (W) × 85 mm (D) × 80 mm (H)

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