Passive-Component Full-Lifecycle Test Solutions
Changzhou Hopetech Electronic Technology Co., Ltd., founded in 2009, is a national-high-tech original-equipment manufacturer with full in-house hardware and software R&D capabilities. We participate in the formulation of national metrology standards.
Hopetech focuses on R&D and manufacturing of test equipment for passive-component testing and delivers turn-key test solutions. Our product portfolio covers DC resistance, micro-resistance, sheet resistance, insulation resistance, AC/DC hipot & safety test instruments. We serve manufacturers of resistors, inductors, capacitors, conductive materials and insulating media, providing complete test solutions ranging from laboratory incoming-inspection to full-volume production-line testing. Our products are sold worldwide, with English-language documentation, communication-protocol integration and remote technical support available.

HT3540 Economical DC Resistance Tester: Cost-effective production-line sentinel. Built-in temperature compensation eliminates ambient-temperature-caused resistance drift. Ideal for mid-low volume sampling & IQC, quickly detects cold-solder joints and out-of-spec resistors with low investment.
HT3544-2H/12H/24H General-purpose DC Resistance Tester: Production-rate booster. Multi-channel synchronous measurement tests multiple inductors/resistors at once, solving throughput bottlenecks for mass production.
HT/CHT3548 Handheld DC Resistance Tester: Field-mobile scout. Portable for workshop on-site checks and after-sales service, fast resistance verification for connectors and resistors.
HT3545 Fast High-precision DC Resistance Tester: Precision calibration judge. High accuracy and fast speed for precision sampling resistors and wound-component calibration, ensuring reliable R&D and outgoing-inspection data.
HT3542-12H/24H Multi-channel DC Resistance Tester: High-end production-line all-rounder. Combines high precision and multi-channel parallel testing to meet full-inspection demands of premium passive components, balancing accuracy and throughput.
HT3540A/B Ultra-low Resistance Tester: Micro-ohm signal capturer. Optimized for milliohm/micro-ohm samples, accurately measures tiny resistance changes for high-power and high-current components.
HT3542-Y / HP3545-Y Four-probe Sheet Resistance Tester: Thin-film property analyst. Four-probe method measures sheet resistance & resistivity for ITO glass, conductive coatings and silicon wafers.
HT9920 Fast Insulation Resistance Tester: Insulation-performance rapid inspector. Fast on-production-line screening for capacitors and insulation materials, filtering out insulation-defective units.
HT3530/A Precision Insulation / Volume & Surface Resistance Tester: Insulation-limit evaluator. High test voltage plus ultra-fine current resolution, precisely evaluates surface & volume resistivity for strict reliability validation.
CHT9922 General-purpose Hipot & Insulation Tester: Basic-safety gatekeeper. Integrates AC hipot, DC hipot and insulation resistance. One-unit solution for routine safety sampling of capacitors and inductors, simplifying lab setup.
CHT9951A/B High-voltage Hipot Tester: High-voltage risk challenger. Up to 15 kV DC output with arc detection, verifies withstand-voltage safety margin for high-voltage capacitors and power inductors.
CHT9201-8H 8-channel Parallel AC-DC Hipot Tester: Multi-channel withstand-voltage accelerator. Eight independent test channels with contact-less electronic discharge, greatly boosts mass hipot-test throughput for chip components.
Hopetech’s instruments cover the complete workflow,deliver a full-life cycle, all-round one-stop test solution for passive components such as resistors, inductors, capacitors, conductive thinfilms and insulating media, adapting to customers’ diverse requirements for accuracy, throughput and budget.

| Test Category | Application / Materials | Model | Core Functions |
| Passive-component test(Resistors, capacitors, inductors, conductive & insulating materials) | General-purpose resistors, inductor-coil DC resistance, sampling-resistor measurement; mid-to-low-volume production sampling | HT3540 Economical DC Resistance Tester | Range: 0.001 mΩ ~ 31 kΩ; basic accuracy 0.1 %; built-in temperature compensation; cost-effective for batch testing of general resistors and wound components |
| Multi-component batch DC-resistance test for inductors & resistors; multi-station synchronous production-line testing | HT3544-2H/12H/24H General-purpose DC Resistance Tester | Optional 2/12/24 channels; synchronous multi-component measurement to boost production-line throughput | |
| On-site workshop sampling, portable after-sales inspection for resistors & connectors | HT/CHT3548 Handheld DC Resistance Tester | Portable handheld design for fast field-measurement; ideal for mobile QC and on-site maintenance | |
| Calibration of precision resistors, high-accuracy sampling resistors & precision wound components | HT3545 Fast High-precision DC Resistance Tester | Enhanced accuracy & test speed; intended for factory-release calibration of high-grade passive components | |
| Multi-channel precision-resistor batch testing; full inspection for high-end production lines | HT3542-12H/24H Multi-channel DC Resistance Tester | Combines high-precision measurement and multi-channel parallel testing for full-volume inspection of premium passive-components | |
| Ultra-low-resistance sampling resistors, power resistors & high-currentcomponent micro-resistance measurement | HT3540A/B Ultra-low Resistance Tester | Optimized for milliohm/ microohm-level samples; dedicated to low-resistance power-component testing | |
| Sheet-resistance & resistivity measurement for conductive thin-films, resistive coatings, ITO-glass and silicon wafers | HT3542-Y HT3545-Y Four-probe Sheet Resistance Tester | Four-probe measurement principle; 2 % sheet-resistance accuracy; outputs both sheet-resistance and resistivity for thin-film & conductive-material evaluation | |
| Fast-sampling insulation-resistance test for capacitors and insulating materials | HT9920 Fast Insulation Resistance Tester | Rapid insulation-resistance measurement for fast-pass/fail screening on mass-production lines | |
| Insulation test for safety-rated / high-voltage capacitors; surface & volume-resistivity test of insulating materials | HT3530/A Precision Insulation / Volume & Surface Resistance Tester | Max. test voltage 1500 V; measurement range 500 Ω ~ 9.9 PΩ; 0.1 pA minimum-current resolution for high-accuracy insulation-characterization | |
| General-purpose hipot & insulation test for capacitors, inductors and insulating materials; basic safety-compliance inspection | CHT9922 General-purpose Hipot & Insulation Tester | Combined AC-hipot, DC-hipot and insulation-resistance measurement for routine safety-sampling of passive-components | |
| Withstand-voltage breakdown test for high-voltage capacitors and power inductors | CHT9951A/B High-voltage Hipot Tester | Max. 15 kV DC output; max. insulation resistance 99 GΩ; 9-level arc-detection for high-voltage breakdown evaluation | |
| Mass-production hipot testing for chip resistors & chip capacitors | CHT9201-8H 8-channel Parallel AC-DC Hipot Tester | 8 independent parallel test-channels; SPWM sine-wave drive; contact-less electronic discharge to greatly improve mass-test throughput |