10 Ом - 10 ТОм
The High Resistance Resistance Substituter (HRRS Series) is an economical, high-performance, high-resistance decade box for all laboratory, test, and calibration needs. The High-resistance design is implemented with special resistors, switches, binding posts, and construction-design to allow high resistance performance without sacrificing other electrical properties. These instruments are useful wherever small currents and high resistances are required.
The HRRS Series employs state-of-the-art precision resistors of various types for high accuracy, high stability, and low temperature and voltage coefficients. The standard models offer a choice of one to seven decades.
The binding posts, for the HRRS high resistance decade boxes, are insulated with PCTFE (polychlorotrifluoroethylene) a high-resistance, non-moisture-absorbing material to ensure low leakage current.
With a resolution as low as 10 Ω and a maximum available resistance of over 100 GΩ, the HRRS Series may be used for exacting precision high-value resistance applications.
The HRRS series decade box complements the HARS series which provides resistance steps as low as 1 mΩ. The units may be rack-mounted to serve as components in measurement and control systems.
HRRS High Resistance Decade Box Applications
- Calibration of meggers and megohmmeters,
- Checking of electrochemical and biomedical sensors and instruments.
- Testing high-impedance amplifiers and the insulation of low-power circuits.
- Resistance from 100 Ω to 100 GΩ
- High-accuracy: up to .01%, 3 Accuracy Classes Available
- Voltage up to 2000 V
- Excellent TC: as low as 5 ppm/°C
- Low voltage coefficient: as low as 0.2 ppm/V
- High-performance solid silver-alloy switches
- Rack mounting available
| Номер в Госреестре | Наименование СИ | Обозначение типа СИ | Изготовитель | Срок свидетельства или заводской номер |
|---|---|---|---|---|
| 55836-13 | Магазины сопротивления высокоомные | HRRS-Q-5-1M | Фирма "IET Labs, Inc.", США | 23.10.2023 |
| Resistance per step | Total decade resistance | Accuracy | Max voltage per step (V) | Maximum Voltage (V) | Temperature coefficient (ppm/C) | Voltage coefficient (ppm/V) | Stability (ppm/yr) | Resistor Type | ||
| Q | B | F | ||||||||
| 10 Ω | 100 Ω | ±(0.01%+2 mΩ) | ±(0.03%+2 mΩ) | ±(0.10%+2 mΩ) | 2.5 | 25 | 15 | 0 | 10 | Wirewound, non-inductive |
| 100 Ω | 1 kΩ | ±(0.01%+2 mΩ) | ±(0.03%+2 mΩ) | ±(0.10%+2 mΩ) | 8 | 80 | 5 | 0 | 10 | Wirewound, non-inductive |
| 1 kΩ | 10 kΩ | ±0.01% | ±0.03% | ±0.10% | 23 | 230 | 5 | 0 | 10 | Wirewound, non-inductive |
| 10 kΩ | 100 kΩ | ±0.01% | ±0.03% | ±0.10% | 70 | 700 | 5 | 0 | 10 | Wirewound, non-inductive |
| 100 kΩ | 1 MΩ | ±0.01% | ±0.03% | ±0.10% | 230 | 2000 | 5 | 0 | 10 | Wirewound, non-inductive |
| 1 MΩ | 10 MΩ | ±0.01% | ±0.03% | ±0.10% | 1000* | 2000 | 15 | 0.2 | 25 | Metal-oxide film |
| 10 MΩ | 100 MΩ | ±0.03% | ±0.10% | ±1% | 1000* | 2000 | 15 | <1 | 50 | Metal-oxide film |
| 100 MΩ | 1 GΩ | ±0.10% | ±0.20% | ±1% | 1000* | 2000 | 15 | 1 | 100 | Metal-oxide film |
| 1 GΩ | 10 GΩ | ±0.20% | ±0.50% | ±1% | 1000* | 2000 | 50 | 1 | 500 | High-voltage film |
| 10 GΩ | 100 GΩ | ±0.50% | ±1% | ±1% | 1000* | 2000 | 50 | 1 | 500 | High-voltage film |
| 100 GΩ | 1 TΩ | See HRRS-5kV Series for this model. | ||||||||
| 1 TΩ | 10 TΩ | See HRRS-5kV Series for this model. | ||||||||
*To apply up to 2000 V for the first step, use the preceding decade at its "10" position. e.g. to obtain 1 MΩ with 2000 V max, set 100 kΩ switch to position "10."
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