Hộp điện trở chuẩn IET Labs RS-200
RS Series Resistance Substitution Box Basic Specifications
| Model |
RS-200
|
RS-201
|
RS-200W
|
RS-201W
|
RS-200-2W
|
RS-201W-2W
|
RS-RTD
|
| Type |
Resistance
|
Precision Resistance
|
Wide-Range Resistance
|
Wide-Range Precision Resistance
|
High Power Resistance
|
High-Power / Wide-Range Precision Resistance
|
RTD Simulator
|
| Accuracy |
±(1%+25 mΩ)
|
±(0.1%+25 mΩ)*
|
±(1%+36 mΩ)
|
±(0.1%+36 mΩ)*
|
±(1%+25 mΩ)
|
±(0.1%+36 mΩ)*
|
±(0.1%+25 mΩ)
|
| Decades |
7
|
7
|
9
|
9
|
7
|
9
|
6
|
| Range |
0 - 9,999,999 Ω
|
0 - 99,999,999.9 Ω
|
0 - 9,999,999 Ω
|
0 - 99,999,999.9 Ω
|
0 - 9,999.99 Ω
|
| Resolution |
1 Ω
|
0.1 Ω
|
1 Ω
|
0.1 Ω
|
0.01 Ω
|
| Ratings |
0.5 W (rising to 2.5 W at step 9)
|
2 W (rising to 10 W at step 9)
|
0.5 W (rising to 2.5 W at step 9)
|
| Residual |
≤0.39 Ω (≤0.056 Ω/decade)
|
≤0.5 Ω (≤0.056 Ω/decade)
|
≤0.39 Ω
|
≤0.5 Ω
|
≤0.34 Ω
|
| Components |
Metal film resistors; Manganin wire ≤ 0.9 Ω
|
| Physical |
A
|
B
|
A
|
B
|
A
|
| |
| A |
8.1 x 7.9 x 5.6 cm; 184 g (3.2 x 3.1 x 2.2 in; 6.5 oz.) |
| B |
12 x 7.9 x 5.6 cm; 235 g(4.7 x 3.1 x 2.2 in; 8.3 oz) |
| C |
18.8 x 11 x 6 cm, 410 g (7.4 x 4.3 x 2.4 in, 14 oz) |
| |
| *Accuracy: After subtraction of residual impedance: traceable to SI. For 0.1% models accuracy is ±(0.2%) for ≥ 10 MΩ |
|