Trade4asia Electrical Calibration Standards TD1470 Single and Double Arm Bridge Calibration Device

TD1470 Single and Double Arm Bridge Calibration Device

Electrical Calibration Standards

The TD1470 is a high-precision DC resistance simulator designed for calibration and verification of measurement instruments requiring wide-range resistance simulation. With its advanced resistance synthesis technology, the TD1470 provides precise, stable, and repeatable outputs across a broad resistance range—from low micro-ohm levels to 100 Ω.

This instrument is suitable for applications such as calibration of single-arm and double-arm bridges, high-accuracy DC resistance meters, and digital micro-ohmmeters. It delivers excellent measurement uncertainty performance along with fine resolution adjustment, making it an ideal standard for metrology laboratories and calibration institutions.

Range	Fineness Adjustment	24h Uncertainty (ppm*RD + μΩ)	90 Days Uncertainty (ppm*RD + μΩ)	1 Year Uncertainty (ppm*RD + μΩ)	Input Current
1 mΩ	10 nΩ	50 + 0.5	75 + 0.5	100 + 0.5	1 A ~ 10 A
10 mΩ	100 nΩ	50 + 1	75 + 1	100 + 1	0.5 A ~ 5 A
100 mΩ	1 μΩ	50 + 3	75 + 3	100 + 3	0.3 A ~ 5 A
1 Ω	10 μΩ	50 + 15	75 + 15	100 + 15	0.05 A ~ 5 A
10 Ω	100 μΩ	50 + 150	75 + 150	100 + 150	10 mA ~ 300 mA
100 Ω	1 mΩ	50 + 1500	75 + 1500	100 + 1500	1 mA ~ 30 mA

General Specifications

Power Supply: AC (220 ± 22)V, (50 ± 2)Hz
Warm-Up Time: ≥1 hour (restart warm-up ≥2× shutdown duration)
Max Power Consumption: 150 VA
Operating Temperature: 18°C ~ 28°C
Storage Temperature: -10°C ~ 50°C
Operating Humidity: 20% ~ 80% R.H (non-condensing)
Storage Humidity: < 85% R.H (non-condensing)
Altitude: < 3000 m
Weight: Approx. 10 kg
Interfaces: RS-232, USB, LAN/IP
Dimensions: 400 mm (W) × 265 mm (D) × 190 mm (H)

Key Features

Wide adjustable DC resistance simulation from 1 mΩ to 100 Ω.
High resolution adjustment enabling ultra-fine control of micro-ohm resistance.
Excellent long-term stability with uncertainty as low as 50 ppm depending on range.
Designed for calibration of bridges, micro-ohmmeters, and precision resistance meters.
Multiple communication interfaces including USB, RS-232, and LAN (IP).
Built-in thermal control and protection ensures safe and stable measurement under high currents.
Suitable for laboratory-grade metrology and national standard verification systems.

ONsys Technologies OPC Pvt Ltd

Ajay Singh Kushwah ✔ Verified

Maharashtra, Thane West

GST
6 Months Ragular

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TD1470 Single and Double Arm Bridge Calibration Device