HT3545 High Speed Precision DC Resistance Tester
HT3545 High Speed Precision DC Resistance Tester delivers industrial fast four-wire measurement with ultra-precise resistance readings.
HT3545 Tester Description
HT3545 High Speed Precision DC Resistance Tester adopts the four-wire test method and high-performance microprocessor. This tester features high precision, wide measurement range, rapid test speed and outstanding stability. It supports 10.0000mΩ~1200MΩ measurement with 6 1/2 digit display and basic accuracy of 0.01%, ideal for inverter motor coil inspection and other applications demanding high-resolution resistance measurement.
The HT3545 High Speed Precision DC Resistance Tester delivers 2.2ms ultra-fast testing and comes with test lead open-circuit detection. Equipped with external IO interface, analog output, LAN and RS232 interfaces, it supports flexible multi-level sorting. The EXT I/O can be set to NPN/PNP, perfectly matching automated production lines with diverse signal interface requirements.
HT3545 Tester Technical Data
HT3545 High Speed Precision DC Resistance Tester uses the four-terminal test method to measure DC resistance of various samples including motors and transformers, contact resistance of relays and switches, pattern resistance of printed circuit boards, fuses, and conductive rubber resistors.
This HT3545 High Speed Precision DC Resistance Tester comes with temperature compensation, making it suitable for measuring specimens whose resistance varies with temperature. It also features a comparator function, data communication and external control, supporting deployment in multiple scenarios including automated production lines.
When matched with a multi-channel scanning module, the HT3545 High Speed Precision DC Resistance Tester enables scanning and switching at 1ms per channel to test PCB vias and traces for aerospace, automotive electronics and other industries.
The HT3545 High Speed Precision DC Resistance Tester fits applications requiring high-precision testing, high-speed multi-point resistance characterization, high-volume rapid sorting of electronic components, and resistance measurement of medium & high conductive materials. It can characterize low-impedance properties of electromechanical components under low current (1mA) and low open-circuit voltage (20mV).
It provides external control I/O port, RS-232 interface, Ethernet port, temperature test interface and analog I/O ports, perfectly cooperating with automated equipment for fully automatic testing.
HT3545 Tester Applications
HT3545 High Speed Precision DC Resistance Tester as a multi-channel resistance tester is dedicated to three-phase motor coil measurement, connector and wiring harness inspection, relay contact testing, and battery terminal weld inspection.
As a single-channel tester, the HT3545 High Speed Precision DC Resistance Tester applies to small-signal contacts, miniature fuses, leads, small magnetic components, motor coils, transformer coils, solenoids, chokes, wiring harnesses, connectors, relay contacts, fuses, resistors, conductive coatings and conductive rubber.
The HT3545 High Speed Precision DC Resistance Tester is suitable for resistance measurements demanding high accuracy.
It performs high-speed, multi-point resistance testing.
It supports rapid sorting for mass electronic components.
It measures resistance of high, medium and low conductivity materials.
It characterizes low-resistance properties of electromechanical components under conditions of low current (100mA) and low open-circuit voltage (30mV).
HT3545 Technical Data Sheet
| Model | HT3545 |
| Test parameters | DC resistance |
| Basic parameters | Range: 10mΩ (display: 12.00000 mΩ, resolution 10 nΩ) ~1000 MΩ; (Display 1200.0 MΩ, resolution 100 kΩ), 12-level switching
[LP ON] 1000 mΩ (1200.00 mΩ display, 10 μΩ resolution) ~1000 Ω (1200.00 Ω display, 10 mΩ resolution), 4-level switching |
| Measure the current | DC 1A～1μA or less, [LP ON] 1mA～5μA |
| Basic accuracy | ±0.01%rdg.±0.001%f.s. |
| Test speed | Fast (2.2ms) Medium (50Hz: 21ms, 60Hz: 18ms), Slow 1 (102ms), Slow 2 (202ms) |
| Open port voltage OCV | DC 20V (range ≥ 10 kΩ), less than DC 5.5 V (range ≤ 1000Ω), [LP ON] ≤ DC20V |
| Temperature | Range: -10°C~99.9°C Accuracy: ±0.5°C |
| Range | 10mΩ/ 100mΩ/ 1000mΩ/ 10Ω/ 100Ω/ 1000Ω/ 10kΩ/ 100kΩ/ 100kΩ/ 100mΩ/ 100MΩ/ 1000MΩ/ 1000MΩ |
| Correction | Short-circuit clearance in full scale |
| Comparators | 10 levels sorting, outputting HIGH/IN/LOW sorting signals |
| Trigger | Internal trigger, external trigger |
| Other features | Temperature Compensation, Temperature Conversion, Cut-off Voltage Compensation, Comparator (ABS/REF%), Lock Key (OFF/Menu Lock/All Lock), Power Frequency Setting (AUTO/50Hz/60Hz), Zoom, Judgment Tone Setting, Auto Hold, Average, Panel Save/Read, D/A Output |
| Interface | External I/O interface/analog output interface/LAN interface/Rs232 interface |
| Power supply | AC 100～240 V, 50/60 Hz, rated power 40 VA |
| Dimensions and weight | 325mm(L) x 215mm(W) x 96mm(H); 2Kg |
Maximum display value of test current and measurement range
| Resistance Range | Test Current | Maximum Display Value | Resolution(Ω) | ||
| 10mΩ | 1A | 12.00000mΩ | 10nΩ | ||
| 100mΩ
|
High | 1A | 120.0000mΩ | 100nΩ | |
| Low | 100mA | ||||
| 1000mΩ
|
High | 100mA | 1200.000mΩ | 1μΩ | |
| Low | 10mA | ||||
|
10Ω |
High | 10mA | 12.00000Ω | 10μΩ | |
| Low | 1mA | ||||
| 100Ω
|
High | 10mA | 120.0000Ω | 100μΩ | |
| Low | 1mA | ||||
| 1000Ω | 1mA | 1200.000Ω | 1mΩ | ||
| 10KΩ | 1mA | 12.00000kΩ | 10mΩ | ||
| 100KΩ | 1mA | 120.0000KΩ | 100mΩ | ||
| 1000kΩ | 100μΩ | 1200.000kΩ | 1Ω | ||
| 10MΩ | 10μΩ | 12.00000MΩ | 10Ω | ||
| 100MΩ
|
ON | 1μΩ | 120.0000MΩ | 100Ω | |
| OFF | 100nA | 120.00MΩ | 10KΩ | ||
| 1000MΩ | OFF | Less than 1μA | 1200.0MΩ | 100kΩ | |
HT3545 Dimension Detail Display
High Accuracy DC Resistance Meter Selection Table
| Model | Channel No. | Type | Test Accuracy | Resolution | Display |
| HT3545 | Single | Standard | 10mΩ~1000MΩ | 0.01μΩ | 6 1/2 |
| HT3542 | Economy | 10mΩ~10MΩ | 0.1μΩ | 5 1/2 | |
| HT3542-12H | 12-Channel | Functional | 0.1μΩ | ||
| HT3542-24H | 24-Channel | Functional | 0.1μΩ |
