Máy Kiểm tra điện trở kỹ thuật số AX-1138A Adexaile ADEX
Compare two-measured thermistor with external standard thermistor at one time, percentage measurement
● Can be percentage measured for s standard value compare two-measured thermistor with external standard thermistor at one time regardless of temperatures characteristic at room temperature
● Rs/Rx measurement at the same time, process high resistance thermistor of percentage measurement, ultra high speed
● Deter from self-heating of measured object depends on applying measurement voltage for pulsating
● Can be measured external standard and resistance value of two measured thermistors.
● Available to
Specifications
Measuring range and Accuracy (ambient temp 23℃±5℃)
| Range | Measurement and display range | Measuring current | Measurement | Measurement accuracy [Slow] | Measurement accuracy [Fast] |
|---|---|---|---|---|---|
| 10Ω | Measurement range Resistance range 5％～150％ % measurement indication range Resistance measurement |
3.16mA | % measurement Resistance value |
±3digits±α ±0.03％rdg±2digit |
±5digits±β ±0.05％rdg±5digit |
| 100Ω | 1.00mA | % Measurement Resistance value |
±2digits±α ±0.02％rdg±2digit |
±3digits±β ±0.03％rdg±3digit |
|
| 1kΩ | 316μA | ||||
| 10kΩ | 100μA | ||||
| 100kΩ | 20.0μA | % Measurement Resistance value |
±3digits±α ±0.03％rdg±3digit |
±5digits±1.5β ±0.05％rdg±5digit |
|
| 1MΩ | 3.16μA | % Measurement Resistance value |
±5digits±1.5α ±0.05％rdg±5digit |
±10digits±2β ±0.10％rdg±5digit |
|
| 10MΩ | 0.63μA | % Measurement Resistance value |
±10digits±2α ±0.10％rdg±5digit |
±20digits±3β ±0.20％rd±10digits |
Measurement integration time：[Slow]＝AC1 period (20.0mS/16.6mS), [Fast]＝4mS (10Ω～100kΩ range), 10mS (1MΩ, 10MΩ range)
α＝ (｜Rs Count resistance measurement－10000｜)/2000 digit
β＝ (｜Rs Count resistance measurement－10000｜)/1500 digit
| Measurement integration time | [Slow]：AC1～10 cycles, [Fast]：0.1mS～99.9mS |
|---|---|
| Sampling time | Free run：5 times per second [Slow], 10 times per second [Fast] |
| External control：Measurement integration time＋(1～10mS) [Differs from range], The fastest about 1mS |
|
| Contact check | Selection setting of OFF・PRE・AFT・ALL, Check determination：47Ω±10Ω (Between I-V terminals) |
| Comparator set range | [Resistance measurement]：0～15000 count both for HI and LO (Resistance range＝10000 count) |
| [% Measurement]：±0.00％～＋50.00％ both for HI and LO (±5000 count) | |
| Display comparator decision | Lo/GO/Hi judgment to indicate LED on each Rx1, Rx2, Buzzer setup |
| Machine interface control signal (Connector：57-40240 Equivalent) |
Input：External start, External hold Output：total 14 pcs, Open collector output (max. 80V, 100mA) Judgment output：RxA・RxB＝LO/GO/HI/CE, Rs＝NG Status output：EOC, RxA・RxB INDEX, Preliminary 2ch |
| RS-232C communication | Asynchronous, Baud rate：4800～38400bps, Dsub25S |
| Operation condition | [Temp.] ＋5℃～＋40℃ [Humidity] less than 85％ (Disabled when condensation) |
| Power supply | AC85V～265V Without switching, 50/60Hz, about 60VA |
| Outer dimension | 333 (W) ×99 (H) ×300 (D) mm (excluding protruding parts such as rubber legs, etc.) |
| Mass | about 4kg |
| Option | external I/O control board compatible AS5927 |
The Outline
AX-1138A selects to judge the device that is sharp at temperature change such as thermistor or polymer PTC element to compare high speed by connecting the standard device outside, it can be measured for the two Rx resistance at the same time. The function set a corrected value for a true standard is equipped to use the external standard device.
As Rs and Rx always measures at the same time, it can be percentage measurement to reduce the effect of commercial power on th high resustance measurement.
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