SR1010 IET | Alldatasheet

Document overview

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Technical content

Features

  • Each device confi gurable to 10R, 1R, and R/10
  • Accuracy of transfer better than 1 ppm
  • Six models, decade values from
  • 1 W/step to 100k W/step
  • Establish decade resistances from 0.1 W to 1M W
  • Calibration traceable to the SI through an NMI
  • IET Labs continues to manufacturer the SR1010 to the same exacting specs as esi/Tegam Ideal as a Multi-Value Standard Resistor or Reference Voltage Divider The high accuracy and precision of the individual resistors make the SR1010 ideal for use as a multi-value standard resistor or reference voltage divider. The superior stability of the SR1010 makes it particularly suitable for calibrating 6-1/2, 7-1/2 and 8-1/2 digit digital multimeters. IET's Resistance Technology IET’s experience in design and manufacture of resistance standards has made our standards highly respected throughout government and industry. The SR1010 uses the same basic design as the SR1030 Transfer Standard without the use of oil.

IET LABS, INC. in the Gen Rad Tradition www.ietlabs.com TEL: (516) 334-5959 • EMAIL: info@ietlabs.com SR1010 Catalog Pages March 2020 Specifi cations

Ordering Information

10 Resistors in

Parallel (R/10) Series (10R) Temperature Coeffi cient Power Coeffi cient Leakage Resistance Max Current Max Voltage Max Current Max Voltage Max Current Max Voltage 1 W 1.0 A 1.0 V 7.07 A 707 mV 707 mA 7.07 V ±15 ppm/°C matched within 5 ppm/°C ±0.3 ppm/mW/resistor 100 W 100 mA 10 V 707 mA 7.07 V 70.7 mA 70.7 V ±5 ppm/°C 10 k W 10 mA 100 V 70.7 mA 70.7 V 7.07 mA 707 V 100 k W 3.16 mA 316 V 22.3 mA 223 V 2.23 mA 2,230 V >1013 W terminal to case SR1010 Transfer Standards Model Number Description SR1010-1 1 W Resistance Transfer Standard SR1010-10 10 W Resistance Transfer Standard SR1010-100 100 W Resistance Transfer Standard SR1010-1K 1 k W Resistance Transfer Standard SR1010-10K 10 k W Resistance Transfer Standard SR1010-100K 100 k W Resistance Transfer Standard Nominal Values (per step): 1, 10, 100, 1k, 10 k, 100 k W Transfer Accuracy: 100:1 ±(1 ppm + 0.1 µ W) at parallel value, using SB103, PC101, and SP102 as necessary 10:1 ±(1 ppm + 1 µ W) at parallel value, using SB103, PC101, and SP102 as necessary Initial Adjustment: ± 20 ppm of nominal, resistors matched to within 10 ppm Calibration Conditions: 23 ±1°C, low-power, four-terminal measurement initial calibration reading are provided Long-Term Resistance Stability: for 6 months: ±20 ppm of nominal for 2 years: ±35 ppm typical for 5 years: ±50 ppm typical Maximum Power: Single Step: 1 W/step 10 resistors: 5 W distributed Breakdown Voltage:

1500 V peak to case

Resistor Type: Hermetically sealed wirewound Environment: Operating: +10 to +40°C, <50% RH Storage: -20 to +65°C Dimensions: Weight: 1.5 kg (3.25 lb) Optional Accessories Model Number Description SB103 Shorting Bars SPC102 Series/Parallel Compensation Network PC101 Parallel Compensation Network