线圈类产品(如变压器、电机等)由于绕线材料、磁性材料、骨架、加工工艺等因素的影响会产生线圈层间、匝间及引脚间等绝缘性能的降低。TH2882A系列脉冲式线圈测试仪是采用高速取样技术研制的新一代线圈类产品绝缘性能的测试仪器,可为大多数线圈类产品提供测试解决方案。TH2882A将标准线圈的采样波形存储于仪器中,测试时将被测波形与标准波形比较,根据设定的判据(面积、面积差、相位差、电晕等)以判定被测线圈的优劣。TH2882AS主要用于测试具有三组线圈之各种三相三线制或三相四线制电机产品,测试波形可与仪器内部标准波形比较,也可不需标准波形而在不同线圈间比较其一致性。
model number | TH2882AS-5 |
Output pulse voltage | 500V-5000V±5%, 100V步进 |
Voltage control method | Normal: programmed for constant voltage when the test terminal is open: voltage is automatically controlled, independent of winding impedance |
Test Range | 三相三线制 三相四线制 |
pulse energy (physics) | ≤250milli-焦耳 |
Inductance Measurement Range | ≥200μH |
monitor (computer) | 320 x 240 dot LCD screen, 240 x 200 dot waveform display |
Display content | Setting parameters, standard and measured waveforms, measuring and comparing results |
Waveform Sampling | Maximum 40 MSPS sample rate, 8-bit, 960 points |
Input Impedance | 10MΩ (resistive voltage divider) |
Measurement speed | 三相测试:2.0次/秒(波形显示OFF),1.5次/秒(波形显示ON) |
Display waveform measurement | Voltage, Time, Frequency |
trigger method | Internal/manual (foot control)/external/bus |
way of comparing | Area comparison, area difference comparison, corona discharge, phase difference comparison |
Measurement repeatability | ±1% |
discriminant output | PASS/FAIL Display, Alarm |
memory (unit) | The instrument can internally store 60 groups of standard waveforms USB disk can store 500 groups of standard waveforms |
connector | HANDLER,RS232C,GPIB(选件), |
■ 脉冲电压输出:500V-5kV 100V步进 可三相
■ 电感测试范围:≥200μH
■ 测试速度:三相最高2次/秒(波形OFF)
■ Maximum 40Msps sampling rate
■ Four waveform comparison methods
■ 三相线圈脉冲式测试:三相三线 三相四线
■ 320 x 240 dot matrix graphic LCD display
■ Chinese and English operation interface
■ Programmable multiple trigger methods
■ Voltage, time and frequency measurement functions
■ Handler, RS-232C, USB host, GPIB (option) interface
■ USB disk for storing 500 sets of standard waveforms
standard equipment | |||||
Accessory Name | model number | ||||
Foot-activated switch | TH2881-001 | ||||
High Voltage Test Lines | TH2882AS-01 |
optional | |||||
Accessory Name | model number | ||||
TH10001GPIB Interface Board | TH10001 | ||||
TH2818-USB Main Control Board | TH26025 |