CropicoRS3电阻
CropicoRS3电阻 是由精心挑选的低温系数锰铜或泽拉宁导线（取决于数值）制成的。主要设计为直流标准，但其值高于0.1是一个无感绕组，相邻的交流特性是典型的。任何电阻标准很理想的特性是校准的永久性，这是由于几十年的精密电阻器制造经验得来；精心选择电阻材料，固态无应变结构，精心控制热处理和老化过程。安装在成型机上，机械稳定性高，导线以无应变方式缠绕，并进行热处理以消除任何应力，长期稳定性好，校准耐久性好，温度系数低......
产品描述
CropicoRS3电阻是由精心挑选的低温系数锰铜或泽拉宁导线（取决于数值）制成的。主要设计为直流标准，但其值高于0.1Ω是一个无感绕组，相邻的交流特性是典型的。任何电阻标准很理想的特性是校准的永久性，这是由于几十年的精密电阻器制造经验得来；精心选择电阻材料，固态无应变结构，精心控制热处理和老化过程。安装在成型机上，机械稳定性高，导线以无应变方式缠绕，并进行热处理以消除任何应力，长期稳定性好，校准耐久性好，温度系数低，使用寿命长。
CropicoRS3电阻使用操作说明书特点
电阻值：50欧姆
20°C时调节不确定度：0.005％
认证不确定度：±25 ppm
温度系数典型值15至20°C：3 ppm /°C
超过1年的稳定性：0.001％
瓦数较大耗散：1
油耗较大：10
空中电流（A）较大限度：0.1 A
油中电流（安培）较大限度：0.3 A
较大持续工作电压：70 dc / 33 VRMS
端子：电位，4毫米铜电流，黄铜
优异的负载系数
4终端子
可用于空气浴或油浴
应用范围：校准室、实验室/车间
CropicoRS3电阻规格使用说明书
|
Model |
Value |
Uncertainty of Adjustment 20°C |
Uncertainty of Certification |
Temp Coeff Typical 15 to 20°C | Stability Over 1 Year | Dissipation Max in Air Watts | Dissipation Max in Oil Watts | Max. DC Current in Air | Max. DC Current in Oil |
Part Number |
| RS3/0001 | 0.0001Ω | 0.02% | ±200ppm | 30ppm/°C | 0.0025% | 1 | 4 | 100A | 200A | 930018 |
| RS3/001 | 0.001Ω | 0.01% | ±50ppm | 25ppm/°C | 0.0025% | 1 | 4 | 30A | 60A | 930019 |
| RS3/01 | 0.01Ω | 0.01% | ±25ppm | 10ppm/°C | 0.001% | 1 | 4 | 10A | 20A | 930020 |
| RS3/05 | 0.05Ω | 0.01% | ±50ppm | 10ppm/°C | 0.001% | 1 | 4 | 4.5A | 9A | 930022 |
| RS3/0.1 | 0.1Ω | 0.003% | ±25ppm | 10ppm/°C | 0.001% | 1 | 4 | 3A | 6A | 930023 |
| RS3/1 | 1Ω | 0.003% | ±25ppm | 10ppm/°C | 0.001% | 2 | 10 | 1.4A | 3A | 930024 |
| RS3/10 | 10Ω | 0.003% | ±25ppm | 10ppm/°C | 0.001% | 2 | 10 | 450mA | 1A | 930026 |
| RS3/25 | 25Ω | 0.005% | ±25ppm | 10ppm/°C | 0.001% | 1 | 10 | 200mA | 600mA | 930027 |
| RS3/50 | 50Ω | 0.005% | ±25ppm | 3ppm/°C | 0.001% | 1 | 10 | 140mA | 450mA | 930028 |
| RS3/100 | 100Ω | 0.003% | ±25ppm | 3ppm/°C | 0.001% | 1 | 10 | 100mA | 300mA | 930029 |
| RS3/250 | 250Ω | 0.005% | ±25ppm | 3ppm/°C | 0.001% | 1 | 10 | 60mA | 200mA | 930032 |
| RS3/1k | 1kΩ | 0.003% | ±25ppm | 3ppm/°C | 0.001% | 1 | 5 | 30mA | 70mA | 930034 |
| RS3/10k | 10kΩ | 0.003% | ±25ppm | 3ppm/°C | 0.001% | 0.5 | 0.5 | 7mA | 7mA | 930035 |
| RS3/100k | 100kΩ | 0.003% | ±25ppm | 3ppm/°C | 0.001% | 0.05 | 0.05 | 700μA | 700μA | 930036 |
| RS3/1M | 1MΩ | 0.01% | ±25ppm | 3ppm/°C | 0.002% | 0.005 | 0.005 | 70μA | 70μA | 930037 |
CropicoRS3电阻技术参数
| Case | Resistance Element | Thermometer Tube |
| Light alloy with holes in the side and base to allow free entry and exit of the oil flow. Black anodised | Manganin or Zeranin depending on value. 100 W, 1, 10 and 100 kW low | Slotted extending the length of the resistance element |
| finish to give maximum heat radiation. | inductance winding on brass formers | Label |
|
Top Panel Bakelite marked with the value class designation |
with P.T.F.E. insulation. 0.1, 1 and 10 W bifilar winding on cylindrical brass |
Each standard is fitted with a label that describes its characteristics and |
|
and serial number. Terminals |
formers with P.T.F.E. insulation. 0.01, 0.001 and 0.0001 W resistance |
operating parameters Size |
| Potential：- Copper 4 mm. | material in the form of straight rods | 160 mm high x 90 mm diameter |
| Current - Brass | or loops supported on 12 mm | Weight |
| diameter brass conductors. | 0.9 kg approx |
文章来源于GMC-I测试仪器
