Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
TH9302 series AC/DC Withstand Voltage and Insulation Tester is a newly developed instrument with high cost-effective and simple operation by Tonghui Electronics.
The principle structure of the instrument: the current module is a DA reference, controllable sinusoidal generator, class AB amplifier, output current closed-loop control DA reference: to ensure that the amplitude of the output voltage can be controlled controllable sinusoidal generator: in the AC output can be set to work in the 50Hz, 60Hz, no longer subject to the limitations of the line voltage Line Power Amplifier: the voltage waveform of the distortion of a small degree of simplicity, simple control, high reliability of the anti-impact capability
All series are equipped with HANDLER, RS-232C interface, to adapt to a variety of different needs of high security and reliability of the automatic test system
| Summary parameters | TH9302 | TH9302C | TH9302B | TH9302D | |
| pressure resistance | alternating current | 0.10kV-5.00kV | |||
| alternating current (electricity) | 0.01mA-12mA | ||||
| dc voltage | 0.10kV-6.00kV | ------ | |||
| direct current | 0.01mA-5mA | ------ | |||
| isolate | input voltage | 0.10V-1.00kV | ------ | ||
| resistive | 0.02MΩ-10GΩ | ------ | |||
| Rear Panel Output | ------ | there are | ------ | there are | |
| exposure check | ------ | there are | ------ | there are | |
A. Rear output holes to support contact checks (CK)
For the high-intensity test, due to the internal breakage of the test lead, poor contact of the test tooling, etc. caused by the test withstand voltage, insulation misjudgment failed, TH9302C/TH9302D two models in the rear panel of the instrument to increase the high-voltage test end with the CK function, to ensure that the instrument test results of the validity and correctness of the instrument can be avoided due to the loss of the test accessory and tooling to the customer brought about by the misjudgement.
B. Optocoupler isolated relay output HANDLER, directly connected to the PLC, without conversion circuitry
| Product Model | TH9302 | TH9302C | TH9302B | TH9302D | ||||
| Pressure resistance test | ||||||||
| voltage output | AC | voltage range | 0.10kV-5.00kV | |||||
| Voltage waveform | simple harmonic vibration | |||||||
| distortion | <3% | |||||||
| operating frequency | 50, 60Hz selectable | |||||||
| Frequency accuracy | ±1% | |||||||
| output power | 60VA (5.00kV12mA) | |||||||
| Voltage Adjustment Ratio | ± (2.0%+50V) (rated power) | |||||||
| DC | voltage range | 0.10kV-6.00kV | ------ | |||||
| signal source frequency | 600Hz | ------ | ||||||
| output power | 25VA (5.00kV5mA) | ------ | ||||||
| Voltage Adjustment Ratio | ± (2.0%+100V) (rated power) | ------ | ||||||
| Voltage Resolution | 10V | |||||||
| Voltage Accuracy | ±(2.0% setting +20V) | |||||||
| Voltage Generation Method | DDS signal source plus Class AB amplifier | |||||||
| current test | AC | current range | 0.01mA-10mA | |||||
| Short-circuit current (instantaneous) | >20mA (set output voltage >500V) | |||||||
| Current Resolution | 0.01mA | |||||||
| Current Accuracy | ± (2% reading + 2 words) | |||||||
| Actual current | OFF-0.01mA-10mA | |||||||
| DC | current range | 1mA-5.00mA | ------ | |||||
| Current Accuracy | ± (2.01 TP3T reading + 2 words) | ------ | ||||||
| Discharge function | (DCW automatically discharged at the end of the test) | ------ | ||||||
| Insulation resistance test | ||||||||
| output voltage | 0.10V-1.00kV | ------ | ||||||
| Voltage Resolution | 10V | ------ | ||||||
| Voltage Accuracy | ± (2.0% reading + 10V) | ------ | ||||||
| Maximum Output Current | 5mA | ------ | ||||||
| Output instantaneous short-circuit current | >10mA (set output voltage >500V) | ------ | ||||||
| Load Adjustment Ratio | ≤1% (rated power) | ------ | ||||||
| Resistance Measurement Range | 0.02MΩ-10GΩ | ------ | ||||||
| Resistance display range
(1000V) |
5mA | 0.2MΩ-1MΩ | ------ | |||||
| 1mA | 1MΩ-10MΩ | ------ | ||||||
| 100uA | 10MΩ-100MΩ | ------ | ||||||
| 10uA | 100MΩ-1GΩ | ------ | ||||||
| 1uA | 1GΩ-10GΩ | ------ | ||||||
| Resistance Measurement Accuracy | ≥500V
1MΩ-1GΩ ± (5% reading + 5 words) 1GΩ-10GΩ ± (10% reading + 5 words) <500V 0.1MΩ-1GΩ ± (10% reading + 5 words) 1GΩ-10GΩ is for reference only with no accuracy requirement. |
------ | ||||||
| Current measurement accuracy | ± (2% reading + 2 words) | ------ | ||||||
| arc detection | ||||||||
| Measurement range | AC | 1mA-20mA | ||||||
| DC | 1mA-20mA | ------ | ||||||
| comparator | ||||||||
| discriminant | Window Comparison Method (Condition I)arrive at (a decision, conclusion etc)<Ifirst (of multiple parts)) | |||||||
| Iarrive at (a decision, conclusion etc)ON: When Iarrive at (a decision, conclusion etc)<Ix<Ifirst (of multiple parts)PASS; | ||||||||
| When Ix≤Iarrive at (a decision, conclusion etc)or Ix ≥ Ifirst (of multiple parts)FAIL | ||||||||
| Iarrive at (a decision, conclusion etc)OFF: When Ix<Ifirst (of multiple parts)PASS; | ||||||||
| When Ix ≥ Ifirst (of multiple parts)FAIL | ||||||||
| Insulation resistance is determined in the same way as above | ||||||||
| Current limit setting Ifirst (of multiple parts) | AC | 0.01mA-10mA | ||||||
| DC | 1uA-5mA | ------ | ||||||
| Lower current limit setting Iarrive at (a decision, conclusion etc)
(LOWEROFF) |
AC | 0.01mA-10mA | ||||||
| DC | 1uA-5mA | ------ | ||||||
| Resistance limit setting | OFF, 1MΩ-10GΩ | ------ | ||||||
| Lower Resistance Limit Setting | 0.1MΩ-10GΩ | ------ | ||||||
| discriminant output | PASS/FAILLCD and LED display, audible alarm. | |||||||
| Other Functions | ||||||||
| Rear Panel Output Hole | ------ | there are | ------ | there are | ||||
| exposure check | ------ | be in favor of | ------ | be in favor of | ||||
| parameterization | ||||||||
| Voltage Rise Time | 0.1s-999.9s | |||||||
| Test Time Setting | 0.3s-999.9s (at TIMERON) | |||||||
| time accuracy | ± (0.2% setpoint ± 0.1s) | |||||||
| measurement function | ||||||||
| keypad lock | Prevent accidental modification of test conditions, or prohibit test conditions from being modified | |||||||
| Current over range judgment | Hardware quickly determine insulation collapse, faster and safer than voltage sampling, reducing impact damage to the product | |||||||
| ARC Arc Detection | Sampling of current burst signals to determine the potential hazards and approximate size of the loop | |||||||
| High Pressure Indication | Window indication and LED light indication | |||||||
| Storage and Interfaces | ||||||||
| File programming and storage | Programmable 9 test files | |||||||
| USB port | not have | |||||||
| Power-up parameter saving | Setting parameters are saved as default parameters and can be restored automatically next time the power is turned on. | |||||||
| control interface | HANDLER | |||||||
| communication interface | RS232C, RS485 | |||||||
| General technical indicators | ||||||||
| Operating temperature, humidity | 0℃-40℃,≤80%RH | |||||||
| power supply | 100V-121V, 198V-242V47.5-63Hz | |||||||
| power wastage | ≤300VA | |||||||
| external volume | 280mm×89mm×402mm | |||||||
| weights | Approx. 12kg | |||||||
■ Simple operability
■ 6 test items or combinations, 9 test storage areas
■ Contact check function (TH9302C, TH9302D)
■ RS-232C interface as standard
■ Relay input/output HANDLER interface for PLC support
■ External control interface to support synchronized or remote control
■ Voltage rise time: 0.1s-999.9s
■ Test wait time: 0.1s-999.9s
■ Automated test systems
▪ Household appliances
■ Transformers, motors
■ Electrical equipment
▪ Electric heating appliances
▪ Lighting industry
▪ New energy vehicles
■ Electronic components
▪ Medical equipment
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