TH0310 Resistance Standard

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The TH0310 series consists of working precision standard resistors offering excellent long-term stability and low temperature coefficient. These resistors can be paired with precision I/I conversion standards and high-accuracy voltmeters to achieve wide-range precision current conversion measurements, making them ideal for calibration laboratories and metrology applications.

The series also features robust 4-wire wiring methods, optimized rated power, and low power factor, which collectively provide superior measurement accuracy and repeatability. With its reliable construction and precise calibration, the TH0310 series is particularly suited for high-end laboratories, calibration institutes, and industrial applications requiring precise current conversion, verification of standard resistors, or integration into high-precision metrology systems.

Model	Nominal Resistance @ 23°C	Initial Deviation (ppm)	Measurement Uncertainty (ppm)	Annual Stability (ppm)	Temperature Coefficient (ppm/°C)	Wiring Method	Rated Power (W)	Power Factor (ppm)	Max Operating Current (A)	Max Operating Voltage (V)
TH0310-1mR	1 mΩ	100	50	20	10	4W	0.5	50	22.3	0.02
TH0310-10mR	10 mΩ	50	25	15	5	4W	0.5	50	7.07	0.07
TH0310-100mR	100 mΩ	25	12.5	10	2.5	4W	0.5	50	2.23	0.22
TH0310-1R	1 Ω	5	2.5	5	1	4W	0.1	10	0.31	0.31
TH0310-1.9R	1.9 Ω	5	2.5	5	1	4W	0.1	10	0.23	0.44
TH0310-10R	10 Ω	5	2.5	5	1	4W	0.1	10	0.10	1.00
TH0310-25R	25 Ω	5	2.5	5	1	4W	0.1	10	60 m	1.58
TH0310-100R	100 Ω	5	2.5	5	1	4W	0.1	10	30 m	3.16
TH0310-1kR	1 kΩ	5	2.5	5	1	4W	0.1	10	10 m	10.0
TH0310-10kR	10 kΩ	5	2.5	5	1	4W	0.1	10	3 m	31.6
TH0310-19kR	19 kΩ	5	2.5	5	1	4W	0.1	10	2 m	43.6
TH0310-100kR	100 kΩ	5	2.5	5	1	4W	0.1	10	1 m	100
TH0310-1MR	1 MΩ	5	2.5	5	1	4W	0.1	10	300 μ	316
TH0310-10MR	10 MΩ	10	5	10	1	2W	0.1	10	100 μ	1000
TH0310-19MR	19 MΩ	15	7.5	15	2	2W	0.05	10	50 μ	1000
TH0310-100MR	100 MΩ	25	12.5	25	5	2W	0.01	10	10 μ	1000

Wide range of precision resistors from 1 mΩ to 100 MΩ
Excellent long-term stability and low temperature coefficient
Compatible with precision I/I conversion standards and high-accuracy voltmeters
Low power factor and stable rated power for reliable measurements
4-wire wiring method ensures high-accuracy resistance measurement
Ideal for calibration labs, metrology, and precision current conversion applications

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ONsys Technologies OPC Pvt Ltd was established in 2019 and has emerged as Indias preferred and leading supplier of precision test and measurement instrumentation, automated test systems, intelligent manufacturing systems, and test and automation turnkey solutions.Serve the increasing demand of Electronics and Electrical Test & Measurement equipment and customers application-based customized solutions of Indias rapidly growing Electronics Manufacturing industries. We supply, design, assemble, develop, and manufacture testing equipment, Automated Test Equipment (ATEs), Test Zig, and Test Benches as per requirement with highest global standards. To do this, ONsys invests heavily in sourcing, research, and development in order to offer great products with precision, reliability, and useful innovative test and measurement solutions for the technology industry.

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