Description
- Brand Name: NoEnName_Null
- DIY Supplies: ELECTRICAL
- Dimensions: see description
- Testing Voltage: see description
- Operating Temperature: see description
- Accuracy Class: see description
- Model Number: ZX21a-Sunny
- Measuring Range: see description
- Zero resistance: 30±5 mΩ
- Stock: yes
- country of origin: CN
- warranty: 1 year
- weight: 1.3kg
- size: 200*150*110mm
- Decade Box Type: Resistance
Rotating Resistor Box DC Resistance Box Adjusting Resistance Variable Decade Resistor for Physics Teaching
1.Technical parameters:
|
Indication Ω
Types |
× 100M |
× 10M |
× 1M |
× 100k |
× 10k |
× 1k |
× 100 |
× 10 |
× 1 |
× 0.1 |
× 0.01 |
|
ZX21 |
— |
— |
— |
— |
0.1 |
0.1 |
0.5 |
1 |
2 |
5 |
— |
|
ZX21a |
— |
— |
— |
— |
0.1 |
0.1 |
0.1 |
0.5 |
1 |
2 |
— |
|
2X21b |
— |
— |
— |
— |
0.1 |
0.1 |
0.1 |
0.5 |
1 |
2 |
— |
|
ZX21c |
— |
— |
— |
— |
— |
0.1 |
0.1 |
0.5 |
1 |
2 |
5 |
|
ZX21d |
— |
— |
— |
0.5 |
0.1 |
0.1 |
0.5 |
1 |
2 |
— |
— |
|
ZX21e |
— |
— |
1 |
0.5 |
0.1 |
0.1 |
0.5 |
1 |
— |
— |
— |
|
ZX21f |
— |
2 |
1 |
0.5 |
0.1 |
0.1 |
0.5 |
|
|
|
|
|
ZX21g |
5 |
2 |
1 |
0.5 |
0.1 |
0.1 |
|
|
|
|
|
|
Current≤（A） |
60 μ |
180 μ |
0.6 m |
1.8 m |
6 m |
18 m |
60 m |
180 m |
0.6 |
1.5 |
3 |
2.Adjusting range
ZX21： (0~9）×（0.1~10k）Ω ＝0~99.9999 kΩ
ZX21a:（0~10）×（0.1~10k）Ω ＝0~111.1110 kΩ
ZX21b：（0~9）×（0.1~10k）Ω ＝0~99.9999 kΩ
ZX21c：（0~10）×（0.01~1k）Ω＝0~11.11110 kΩ
ZX21d：（0~10）×（1~100k）Ω ＝0~1.111110MΩ
ZX21e：（0~10）×（10~1M）Ω ＝0~11.11110MΩ
ZX21f：（0~10）×（100~10M）Ω ＝0~111.1110MΩ
ZX21g：（0~10）×（1k~100M）Ω ＝0~1.111110GΩ
3.Zero resistance: （30±5）mΩ
4.The basic errors are regulated in Table 1.
5.The allowable current of each group resistance are shown in Table 1
6.The dielectric strength between resistance box circuit and shell can withstand 50 Hz frequency,2000V AC, which lasts 1 minute.
7.The insulation resistance between resistance box circuit and shell is not less than 1000MΩ
8.The weight of the resistance box is about 1.3 kg,and its size is 200×150×110mm3.
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