- 电阻范围为1mΩ至10MΩ
- 额定功率:225 W / decade,最大250 W.或更高(联系IET定制更高功率单元)
- 准确度:0.5%或1%
- 额定电压:1000 V或更高
- 提供特殊和自定义配置
高功率十年电阻替代品(HPRS)系列是一系列电阻十年盒,提供多种高功率,优异性能的电阻源。
HPRS系列电阻十进制盒采用各种类型的最先进的精密电阻器,具有高精度,高稳定性,低温度和功率系数的阻抗。设备内的高功率电阻器可在不牺牲其他电气特性的情况下使用。
标准型号提供3至8年的选择。这些面板清晰地标明了每十年的步长和最大电压和电流限制。
HPRS电阻十倍盒的分辨率低至1mΩ,最大电阻为10MΩ,可用作通用替代器以及用于测试电源和其他高功率应用的高功率负载。
应用包括仪表和仪器的校准。 HPRS电阻十进制盒是有用的开发工具,只要需要具有高功率处理能力的精确电阻。
HPRS Series High Power Resistance Decade Box Basic Specifications (See datasheet for full specifications)
Accuracy:
Option F: ±(1% + 20 mΩ)
Option C: ±(0.5% + 20 mΩ)
Zero Resistance: <5 mΩ per decade
Maximum Voltage to Case: 1000 V peak Switches:
Continuous rotation 10 positions marked "0"-"9"
Accuracy:
Option F: ±(1% + 20 mΩ)
Option C: ±(0.5% + 20 mΩ)
Zero Resistance: <5 mΩ per decade
Maximum Voltage to Case: 1000 V peak Switches:
Continuous rotation 10 positions marked "0"-"9"
Resistance per step | Total decade resistance | Max current* | Max power per step* (W) | Temperature coefficient (ppm/°C) | Resistor Type |
1 mΩ | 0.009 Ω | 8 A | 0.036 | ±50 | Resistance Wire |
10 mΩ | 0.09 Ω | 6 A | 0.36 | ±50 | |
100 mΩ | 0.9 Ω | 6 A | 3.6 | ±20 | |
1 Ω | 9 Ω | 5 A | 25 | -20 to +80 | Power Film |
10 Ω | 90 Ω | 1.5 A | 25 | -20 to +80 | |
100 Ω | 900 Ω | 0.5 A | 25 | -20 to +80 | |
1 kΩ | 9 kΩ | 150 mA† | 25† | -20 to +80 | |
10 kΩ | 90 kΩ | 50 mA† | 25† | -20 to +80 | |
100 kΩ | 900 kΩ | V limit† | V limit† | -20 to +80 | Wirewound/metal film |
1 MΩ | 9 MΩ | V limit† | V limit† | ±50 | Wirewound/film |
*Subject to maximum of 250 W max. per unit: 9 Steps per decade, multiply the decade value by the power per step. Multiple decades can be used to share power loads | |||||
†Subject to 1000 V (dc+ac) peak max |