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TK4850E
TUNKIA
TK4850E DC EV Charging Station Testing Device
1. Summary
TK4850 series is a series of high-efficiency testing instruments specially developed to address the problems of complex wiring, difficult handling, low testing efficiency, and high cost during the on-site testing of existing off-board chargers.
TK4850E is one of the all-in-one portable instruments specially designed for on-site testing of off-board chargers of electric vehicles. The instrument integrates a small DC load, supports load expansion, and supports using new energy vehicles as loads. The instrument is operated through a wireless tablet. A single device can complete the working error and clock time error test of the off-board chargers. It is easy to carry and a single person can easily complete the on-site verification of the off-board chargers.
2. Features
• With a built-in 8 kW DC load, a single device can test the off-board charger.
• Supports load expansion and can be connected to an external high-power resistive load for testing.
• It supports using new energy vehicles as loads to measure accumulated electric energy during the entire actual charging process, and supports the verification of Tesla chargers.
• Wide dynamic range measurement technology avoids measurement risks caused by charger output fluctuations.
• The ms-level electric energy refresh speed reduces the error caused by the asynchronous accumulation of electric energy between chargers and standard instruments, and improves the measurement accuracy of accumulated electric energy.
• Integration: A single device integrates the power measurement module, charging control guidance circuit, 8 kW DC load, etc., and a single device can complete the working error verification of off-board chargers, effectively improving efficiency.
• Fixed power: The system can preset the charging power and automatically control the start and stop of the charger.
• Ripple measurement: It has the function of measuring voltage and current ripple.
• Clock verification function: real-time clock display, which can complete the clock time error test of the charging pile.
• Temperature probe: A wired temperature probe is standard, which can complete on-site temperature measurement.
• Bluetooth temperature and humidity meter (optional accessory): An optional Bluetooth temperature and humidity meter can be connected to a tablet via Bluetooth to complete on-site temperature and humidity measurements and automatically record data.
• Traceable calibration: with dedicated calibration terminals to facilitate instrument calibration.
• Wireless tablet operation allows you to save on-site information by taking photos and complete automatic testing.
• With its own display screen, the working error test can be completed directly on the lower computer display screen.
• High reliability: The load uses high-reliability alloy resistors, which support 8 hours of continuous full-load operation. The equipment will not experience abnormalities such as overheating, and at the same time ensure accurate measurement.
• Safety protection: equipped with overvoltage protection, overcurrent protection, abnormal wind speed protection, and emergency stop switch;
• Portable: With the built-in load, the weight and volume of the equipment are minimized, and it is equipped with special retractable pull rods and rollers, so a single person can easily complete on-site inspections.
• Power supply mode: supports three modes: mains input, gun head power supply and built-in lithium battery power supply.
3. Application
4. Testing Items
• Working error: A single device can complete the working error test of charger.
• Clock verification: It has time synchronization function, real-time clock display, and clock time error test of the charger.
5. Appearance
TK4850E DC EV Charging Station Testing Device
1. Summary
TK4850 series is a series of high-efficiency testing instruments specially developed to address the problems of complex wiring, difficult handling, low testing efficiency, and high cost during the on-site testing of existing off-board chargers.
TK4850E is one of the all-in-one portable instruments specially designed for on-site testing of off-board chargers of electric vehicles. The instrument integrates a small DC load, supports load expansion, and supports using new energy vehicles as loads. The instrument is operated through a wireless tablet. A single device can complete the working error and clock time error test of the off-board chargers. It is easy to carry and a single person can easily complete the on-site verification of the off-board chargers.
2. Features
• With a built-in 8 kW DC load, a single device can test the off-board charger.
• Supports load expansion and can be connected to an external high-power resistive load for testing.
• It supports using new energy vehicles as loads to measure accumulated electric energy during the entire actual charging process, and supports the verification of Tesla chargers.
• Wide dynamic range measurement technology avoids measurement risks caused by charger output fluctuations.
• The ms-level electric energy refresh speed reduces the error caused by the asynchronous accumulation of electric energy between chargers and standard instruments, and improves the measurement accuracy of accumulated electric energy.
• Integration: A single device integrates the power measurement module, charging control guidance circuit, 8 kW DC load, etc., and a single device can complete the working error verification of off-board chargers, effectively improving efficiency.
• Fixed power: The system can preset the charging power and automatically control the start and stop of the charger.
• Ripple measurement: It has the function of measuring voltage and current ripple.
• Clock verification function: real-time clock display, which can complete the clock time error test of the charging pile.
• Temperature probe: A wired temperature probe is standard, which can complete on-site temperature measurement.
• Bluetooth temperature and humidity meter (optional accessory): An optional Bluetooth temperature and humidity meter can be connected to a tablet via Bluetooth to complete on-site temperature and humidity measurements and automatically record data.
• Traceable calibration: with dedicated calibration terminals to facilitate instrument calibration.
• Wireless tablet operation allows you to save on-site information by taking photos and complete automatic testing.
• With its own display screen, the working error test can be completed directly on the lower computer display screen.
• High reliability: The load uses high-reliability alloy resistors, which support 8 hours of continuous full-load operation. The equipment will not experience abnormalities such as overheating, and at the same time ensure accurate measurement.
• Safety protection: equipped with overvoltage protection, overcurrent protection, abnormal wind speed protection, and emergency stop switch;
• Portable: With the built-in load, the weight and volume of the equipment are minimized, and it is equipped with special retractable pull rods and rollers, so a single person can easily complete on-site inspections.
• Power supply mode: supports three modes: mains input, gun head power supply and built-in lithium battery power supply.
3. Application
4. Testing Items
• Working error: A single device can complete the working error test of charger.
• Clock verification: It has time synchronization function, real-time clock display, and clock time error test of the charger.
5. Appearance
6.1 DC Voltage/Current
Measurement | Accuracy Class | ||
Class 0.05 | Class 0.1 | ||
Voltage | Range | 1000 V | 1000 V |
Measurement Range | 200 V~1000 V | 200 V~1000 V | |
Current | Range | 250 A | 250 A |
Measurement Range | 1 A~250 A | 1 A~250 A | |
Ripple | Voltage and Current Ripple Measurement Uncertainty (k=2) | 0.05%*RG, valid value | 0.1%*RG, valid value |
Ripple Measurement Bandwidth | ≤ 1 kHz | ≤ 1 kHz |
6.2 Power/Energy Measurement
Voltage Range | Current Range | Measurement Uncertainty (k=2) | |
Class 0.05 | Class 0.1 | ||
200V~1000V | 5 A ≤ I ≤ 250 A | 0.05%*RD | 0.1%*RD |
1 A ≤ I<5 A | 0.1%*RD | 0.2%*RD |
6.3 Load
Load | Load Power | 8 kW |
Load Setting | 16A@500V | |
Heat Dissipation | Forced air cooling | |
Protection | Overvoltage protection, overcurrent protection, abnormal wind speed protection |
6.4 Clock
Clock Function | Timing Method | Satellite timing |
Measurement Uncertainty (k=2) | 1s/d |
6.5 Temperature (Wired Temperature Probe)
Temperature | Measurement Range | -30℃~60℃ |
Maximum Allowable Error | 0.5℃ | |
Note: A Bluetooth temperature and humidity meter can be optionally equipped, please see the optional accessories list for details. |
7. General Specification
Power Supply | Three power supply modes available: electric gun head, built-in lithium battery, and 220V mains power.。 |
Power Input | AC ( 220 ± 22 ) V, ( 50 ± 2 ) Hz |
Communication Method | USB, LAN, WIFI, bluetooth |
Temperature Performance | Working temperature: -25°C~55°C; Storage temperature: -30°C~70°C |
Humidity Performance | Working humidity: < 80% @ 30°;C, < 70% @ 40°C, < 40% @ 50°C Storage humidity: <80% R H, no condensation |
Size and Weight | Size(mm):330(W)*315(D)*468(H) Weight: Approx 22kg |
8. Ordering Information
9. Accessory List
S/N | Pic | Name | Specification | Qty | Note |
1 | TP2000 Handheld Bluetooth Temperature and Humidity Meter | • Temperature measurement range: -30℃~60℃, maximum allowable error: 0.5℃ • Humidity measurement range: 0%~100%RH, maximum allowable error: 5% • Powered by large-capacity lithium battery. • The built-in Bluetooth communication module can wirelessly transmit temperature and humidity measurement data to the host through Bluetooth communication, eliminating the need for users to manually enter data. | 1 | Optional | |
Note: The above accessories need to be purchased separately and specified in the order contract. |
6.1 DC Voltage/Current
Measurement | Accuracy Class | ||
Class 0.05 | Class 0.1 | ||
Voltage | Range | 1000 V | 1000 V |
Measurement Range | 200 V~1000 V | 200 V~1000 V | |
Current | Range | 250 A | 250 A |
Measurement Range | 1 A~250 A | 1 A~250 A | |
Ripple | Voltage and Current Ripple Measurement Uncertainty (k=2) | 0.05%*RG, valid value | 0.1%*RG, valid value |
Ripple Measurement Bandwidth | ≤ 1 kHz | ≤ 1 kHz |
6.2 Power/Energy Measurement
Voltage Range | Current Range | Measurement Uncertainty (k=2) | |
Class 0.05 | Class 0.1 | ||
200V~1000V | 5 A ≤ I ≤ 250 A | 0.05%*RD | 0.1%*RD |
1 A ≤ I<5 A | 0.1%*RD | 0.2%*RD |
6.3 Load
Load | Load Power | 8 kW |
Load Setting | 16A@500V | |
Heat Dissipation | Forced air cooling | |
Protection | Overvoltage protection, overcurrent protection, abnormal wind speed protection |
6.4 Clock
Clock Function | Timing Method | Satellite timing |
Measurement Uncertainty (k=2) | 1s/d |
6.5 Temperature (Wired Temperature Probe)
Temperature | Measurement Range | -30℃~60℃ |
Maximum Allowable Error | 0.5℃ | |
Note: A Bluetooth temperature and humidity meter can be optionally equipped, please see the optional accessories list for details. |
7. General Specification
Power Supply | Three power supply modes available: electric gun head, built-in lithium battery, and 220V mains power.。 |
Power Input | AC ( 220 ± 22 ) V, ( 50 ± 2 ) Hz |
Communication Method | USB, LAN, WIFI, bluetooth |
Temperature Performance | Working temperature: -25°C~55°C; Storage temperature: -30°C~70°C |
Humidity Performance | Working humidity: < 80% @ 30°;C, < 70% @ 40°C, < 40% @ 50°C Storage humidity: <80% R H, no condensation |
Size and Weight | Size(mm):330(W)*315(D)*468(H) Weight: Approx 22kg |
8. Ordering Information
9. Accessory List
S/N | Pic | Name | Specification | Qty | Note |
1 | TP2000 Handheld Bluetooth Temperature and Humidity Meter | • Temperature measurement range: -30℃~60℃, maximum allowable error: 0.5℃ • Humidity measurement range: 0%~100%RH, maximum allowable error: 5% • Powered by large-capacity lithium battery. • The built-in Bluetooth communication module can wirelessly transmit temperature and humidity measurement data to the host through Bluetooth communication, eliminating the need for users to manually enter data. | 1 | Optional | |
Note: The above accessories need to be purchased separately and specified in the order contract. |