Máy kiểm tra điện trở kỹ thuật số AX-901 Adexaile ADEX
Narrow margin （ΔTR） measurement for all resistance value of rheostat
● Contact check function built-in
● All resistance value (ΔTR) Can be measured by deviation value [±99.9%]
● Possible to measure of "intensive contact resistance" (Rc) [19.9%]
● The "NOISE VALUE" can be measured by the AC/DC mode.
● AC noise (ENR) (Peak hold)
● DC noise (CRV) (Peak hold)
● The measurement of Rc and noise can select ON/OFF
Specifications
ΔTR Measurement
| Range | Measuring range (STD setting range) |
Measuring current | Measuring voltage | Accuracy |
|---|---|---|---|---|
| 100Ω | 10Ω～99Ω | 10mA～100mA | 1～10V | ±0.2％±1digit |
| 1kΩ | 100Ω～990Ω | 5mA～50mA | ||
| 10kΩ | 1kΩ～9.9kΩ | 0.5mA～5mA | ||
| 100kΩ | 10kΩ～99kΩ | 500μA～0.5mA | ||
| 1MΩ | 100kΩ～990kΩ | 5μA～50μA | ||
| 10MΩ | 1MΩ～10MΩ | 0.5μA～5μA | ±0.3％±1digit |
WIP. R Measurement (Rc/ENR/CRV)
| Range | Measuring range | Accuracy |
|---|---|---|
| 100Ω | Against STANDARD ＋0.0％～＋19.9％ ※ |
[Rc] ±0.3％±1digit [ENR] ±2.0％±1digit [CRV] ±0.5％±1digit |
| 1kΩ | ||
| 10kΩ | ||
| 100kΩ | ||
| 1MΩ | ||
| 10MΩ |
※Under 1.0% of the measured indication value for ENR/CRN is not targetted the measuring accuracy
| Measuring time | ||
|---|---|---|
| Measuring item | External start time | Measure by "Free run" |
| ΔTR | about 23.5msec. | about 21 times per second |
| ΔTR＋Rc | about 43msec. | about 15 times per second |
| ΔTR＋Rc＋ENR/CRV | Above time ＋ noise measuring time ※1 | Above time ＋ noise measuring time ※2 |
※The above measurement time is in a case of zero setup fot DELAY TIME on each range. The setup for each range is available up to 99msec.
※1 Noise measuring time (ENR/CRV), optional time from second start to input stop signal.
※2 The setup time for sample time (SPL) of parameter setup item is to be a measuring time of (ENR/CRV) Default: 2 seconds
| Completion of the measurement signal (EOC) Pulse width | 1msec.～199msec. [000] Continuous Output when setting |
|---|---|
| Measuring method | 4-terminal measurement |
| Comparator setting range | ΔTR：＋LIMIT ＋0.0％～＋99.9％ －LIMIT －0.0％～－99.9％ Rc, ENR, CRV：＋LIMIT ＋0.0％～＋19.9％ |
| Operation condition | [Temp.] +5℃～+40℃ [Humidity] less than 85％ |
| Power supply | AC100V/117V/220V/240V ＋10％ selectable, 50/60Hz, about 30VA |
| Outer dimension | 333 (W) ×99 (H) ×300 (D) mm (excluding protruding parts such as rubber legs, etc.) |
| Weight | about 4㎏ |
The Outline
AX-901 can measures not only "ALL RESISTANCE VALUE" (DeltaR) of variable resistor but also "LUMPED CONTACT RESISTANCE" (Rc) when wiper is stationary.
And also AX-901 can measures to change element (DC/AC) in contact resistance continuously generated by movement wiper. (AC noise is called "ENR" / DC noise is called "CRV")
The measuring display part can display two items of DeltaTR [±99.9%] and by switching Rc/ENR/CRV [19.9%].
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