Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
With its profound technical accumulation in the field of impedance testing and extensive market research, Tonghui Electronics has launched a DC impedance tester with touch function and color LCD display - TH2515 series DC resistance tester. Its high performance, convenient operation and exquisite appearance are enough to compare with the cutting-edge products in the market.TH2515 series DC resistance tester adopts the current mainstream 32bits CPU and high-density SMD mounting process, 24-bit color 4.3-inch color LCD with touch function, refreshing interface and convenient operation; the highest resistance measurement accuracy of 0.01% and the minimum resistance resolution of 0.1uΩ are among the best in China. Minimum resistance resolution in the country's first, which is suitable for relay contact resistance, connector plug resistance, wire resistance, printed circuit board and welding hole resistance; well eliminate the potential error caused by the impact of thermoelectric contact on the components under test; temperature compensation and temperature conversion function to eliminate the impact of ambient temperature on the test work; out-of-phase voltage compensation function can effectively eliminate the measured parts of their own electric potential and contact potential difference; its super-resistance measurement accuracy and 0.01% is the first in the country. The TH2515 series provides almost all the mainstream interface functions, which can be conveniently used with PC for data communication and remote control.
| Product Model | TH2515 | |||
| monitor (computer) | 24-bit color; 400 X 272 RGB true color TFT LCD display with touch screen resolution | |||
| readout digit | 5 ½ bit | |||
| Measurement range | 0.1μΩ -110MΩ | |||
| Resistance range | amps | resolution (of a photo) | Accuracy Rd%+FS% | |
| 20 mΩ | 1A | 0.1μΩ | 0.10+0.025 | |
| 200mΩ | 1μΩ | 0.35+0.030 | ||
| 2Ω | 100mA | 10μΩ | 0.035+0.010 | |
| 20Ω | 10mA | 100μΩ | 0.025+0.008 | |
| 200Ω | 1mΩ | 0.01+0.002 | ||
| 2kΩ | 1mA | 10mΩ | 0.01+0.002 | |
| 20kΩ | 100μA | 100mΩ | 0.01+0.002 | |
| 100kΩ | 1Ω | 0.01+0.005 | ||
| 1MΩ | 10μA | 10Ω | 0.02+0.005 | |
| 10MΩ | 1μA | 100Ω | 0.1+0.010 | |
| 100MΩ | 100nA | 1kΩ | 1+0.1 | |
| measurement function | ||||
| Resistance Measurement Time | FAST: 7ms; MED: 22ms; SLOW1: 102ms; SLOW2: 402ms Above is DISPLAY OFF, when DISPLAY ON add another 20ms. | |||
| Temperature measurement time | 100 ± 10ms | |||
| Test Side Configuration | four-terminal | |||
| Measurement average setting | 1-255 | |||
| Clear "0" | √ | |||
| Range switching | Automatic, manual | |||
| trigger method | Internal, manual, external, bus | |||
| Power Supply Frequency Selection | √ (to avoid power supply noise interference) | |||
| Measurement setup parameter saving | 30 groups | |||
| Low Voltage Measurement | Open circuit voltage: ≤ 60mV Effective range: 2Ω, 20Ω, 200Ω, 2kΩ | |||
| thermoelectric potential elimination | √ | |||
| statistical function | Mean, maximum, minimum, total standard deviation, sampling standard deviation, engineering capability index (dispersion Cp, bias CpK) | |||
| Test Lead Contact Check | √ Detect whether the measuring line is connected properly | |||
| Multi-Pole Connectors | √ (optional high resistance test noise suppression) | |||
| Beep Working Condition | Comparator, Stall Comparison, Key | |||
| Key Lock | √ | |||
| temperature measurement | ||||
| Temperature Measurement 1 | -10.0℃-99.9℃ Sensor: PT500 | |||
| Temperature measurement 2 | Analog input: 0V - 2V Display: -99.9°C - 250°C | |||
| Temperature compensation function | (Resistance measurements are converted to resistance values at set temperature) | |||
| Temperature conversion function | (Temperature rise obtained from resistance test values before and after heating) | |||
| discriminate by comparison | ||||
| comparator | signal output | HI/IN/LO | ||
| rapid response | Chirp mode: OFF, IN, HI/LO | |||
| Limit setting method | Absolute upper/lower limit, percentage upper/lower limit + nominal value | |||
| sorting | 10 steps, absolute/percentage | |||
| External trigger delay time | Auto: Determined by Range, Low Voltage Mode ON/OFF, OVC (Out-of-voltage Compensation) ON/OFF Manual: 0.000 - 9.999s | |||
| External Input Trigger | Rising edge/falling edge selectable | |||
| Interface Configuration | USB DEVICE , USB HOST , RS232, LAN, HANDLE R, GPIB (OPTION) | |||
| General technical indicators | ||||
| Temperature, humidity | 0°C -- 40°C, ≤ 90%RH | |||
| Guaranteed Accuracy Temperature Humidity | 23±5℃ ≤80%RH | |||
| Power supply | input voltage | 110V~220V | ||
| frequency | 50Hz/60Hz | |||
| power wastage | 30 VA | |||
| sizes | 215mm x 87mm x 335mm (net size) 235mm x 105mm x 360mm (with sheath) | |||
| weights | Approx. 3.6kg | |||
■ Resistance range: 0.1μΩ - 110MΩ
■ Maximum resistance accuracy: 0.01%, resistance resolution: 0.1μΩ
■ Temperature basic accuracy: 0.1°C
■ Maximum sampling rate of approx. 100 samples/sec.
■ 4.3-inch 24-color touch LCD screen with 480×272 resolution
■ Test line contact check function
■ Combination of various test functions such as R, LPR, T, etc.
■ Low voltage test mode for effective protection of DUTs
■ Temperature conversion function (Δt)
■ Temperature compensation function (TC)
■ Out-of-range voltage compensation (OVC)
■ User self-calibration function (0 ADJ)
■ Statistical functions, providing statistics such as CpK, Cp, etc.
■ Screenshot function, data logging function
■ Simultaneous output of the 10-step comparison results (overruns, passes, and audible signals)
■ Automatic upgrade of instrument operating software via USB HOST
■ LXI Class C compliant
■ Handler interface for implementing online operations
| standard equipment | |||||
| Accessory Name | model number | ||||
| Four-terminal test cable | TH26050S | ||||
| optional | |||||
| Accessory Name | model number | ||||
| Low Resistance Probe Fixture | TH26065 | ||||
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