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(Full specifications can be found on datasheet)
Wide range of values - 1 mΩ to 10 TΩ
Very stable - up to 10 ppm/yr
ISO-17025 Accredited Calibration Included
3 Year Warranty Included
Excellent TC - as low as 1 ppm/°C
Excellent choice for a resistance standard to calibrate DMM's, Micro-Ohmmeters and Megohmmeters
In addition to the standard values, any custom value is available. Please contact the IET sales department, for more information
Combination of multiple resistors in a single housing is available
SRC High Resistance Standard Basic Specifications
| Model | Nominal Value (Ω) | Adjustment to Nominal (ppm) | Calibration Uncertainty (ppm) | Stability 1 year (ppm) | Tempco (ppm/°C) | Power Coef.(ppm/mW) |
| SRX-0.001 | 0.001 Ω | 200 | 200 | 50 | 20 | 0.1 |
| SRX-0.0019 | 0.0019 Ω | 200 | 200 | 50 | 20 | 0.1 |
| SRX-0.002 | 0.002 Ω | 200 | 200 | 50 | 20 | 0.1 |
| SRX-0.01 | 0.01 Ω | 200 | 100 | 50 | 20 | 0.1 |
| SRX-0.019 | 0.019 Ω | 200 | 100 | 50 | 20 | 0.1 |
| SRX-0.1 | 0.1 Ω | 200 | 20 | 50 | 20 | 0.1 |
| SRX-0.19 | 0.19 Ω | 200 | 20 | 50 | 20 | 0.1 |
| SRX-1 | 1 Ω | 20 | 10 | 20 | 10 | 0.5 |
| SRX-1.9 | 1.9 Ω | 20 | 10 | 20 | 10 | 0.5 |
| SRX-10 | 10 Ω | 10 | 5 | 10 | 3 | 0.15 |
| SRX-19 | 19 Ω | 10 | 5 | 10 | 3 | 0.15 |
| SRX-50 | 50 Ω | 10 | 5 | 10 | 1 | 0.05 |
| SRX-100 | 100 Ω | 10 | 5 | 10 | 1 | 0.05 |
| SRX-190 | 190 Ω | 10 | 5 | 10 | 1 | 0.05 |
| SRX-1K | 1 kΩΩ | 10 | 2 | 10 | 1 | 0.05 |
| SRX-1.9K | 1.9 kΩ | 10 | 2 | 10 | 1 | 0.05 |
| SRX-10K | 10 kΩ | 10 | 2 | 10 | 1 | 0.05 |
| SRX-19K | 19 kΩ | 10 | 2 | 10 | 1 | 0.05 |
| SRX-100K | 100 kΩ | 10 | 2 | 10 | 1 | 0.05 |
| SRX-190K | 190 kΩ | 10 | 2 | 10 | 1 | 0.05 |
| SRX-1M | 1 MΩ | 20 | 5 | 15 | 3 | 0.15 |
| SRX-1.9M | 1.9 MΩ | 20 | 5 | 15 | 3 | 0.15 |
| SRX-10M | 10 MΩ | 20 | 10 | 20 | 5 | 0.25 |
| SRX-19M | 19 MΩ | 20 | 10 | 20 | 5 | 0.7 |
| SRX-100M | 100 MΩ | 50 | 15 | 20 | 5 | 1.2 |
| SRC-190M | 190 MΩ | 0.10% | 30 | 500 | 25 | |
| SRC-1G | 1 GΩ | 0.50% | 100 | 500 | 50 | |
| SRC-1.9G | 1.9 GΩ | 0.50% | 100 | 500 | 50 | |
| SRC-10G | 10 GΩ | 0.50% | 200 | 500 | 50 | |
| SRC-19G | 19 GΩ | 0.50% | 500 | 500 | 50 | |
| SRC-100G | 100 GΩ | 0.50% | 900 | 500 | 50 | |
| SRC-190G | 190 GΩ | 1% | 900 | 500 | 50 | |
| SRC-1T | 1 T | 2% | 2500 | 500 | 100 | |
| SRC-1.9T | 1.9 T | 2% | 2500 | 1000 | 200 |
SRC Series Maximum Voltage: 5000 V.
Test Conditions: Four-terminal Kelvin measurements, low power, at 23°C; two-terminal for 1 MΩ and over. Initial calibration data traceable to NIST is provided.
Terminals: SRX: Four 5-way binding posts for 4-terminal measurement for 190 kΩ and under; two binding posts for 1 MΩ and over. The binding posts are constructed of tellurium copper for low thermal emf and low resistance. A case ground terminal is also provided. Triax and bnc terminals are also available.
SRC: Additional GUARD terminal is provided.
Dimensions: 8.6 cm H x 10.5 cm W x 12.7 cm D (3.4" x 4.15" x 5").
Transit Case: Optional Model SRC-100 light weight transit case with handle, suitable for transporting and storing two units. The case provides mechanical protection and insulation from temperature changes during transportation or shipping.
Operating Temperature Range: 15 to 30°C.
