The tester is capable of testing various traditional relays and relay protection devices as well as modern microcomputer protection devices.It is particularly convenient for testing transformerdifferential protection and auto-reclosing devices.
HZJB-330S Microcomputer Relay Protection Tester is a new,compact microcomputer relay protection tester developed by extensively consulting user feedback and summarizing the advantages and disadvantages of similar domestic products.It fully utilizes advanced modern microelectronic technology and devices.This tester can operate independently or be connected to a laptop.
1. Meet all the test requirements on site. This instrument has a standard four-phase voltage, three-phase current output, both on the traditional test of various relays and protection devices, but also on a variety of modern microcomputer protection for a variety of tests, especially on the transformer differential power protection and self-transfer devices, the test is more convenient and perfect.
2. It meets the national standard GB/T7261-2016 "Basic Test Methods for Relay Protection and Safety Automation Devices", and meets the national standard DL/T624-2010 "Technical Conditions for Microcomputer Type Test Device for Relay Protection".
3. The classic WindowsXP operation interface, friendly man-machine interface, easy and fast operation; high-performance embedded industrial control computer and 10.4-inch resolution of 800 × 600 LED true-color display, can provide a wealth of intuitive information, including the current state of the equipment and a variety of help information.
4. This machine WindowsXP system comes with a recovery function, to avoid the system crash caused by illegal shutdown or misuse.
5. The equipment panel is equipped with ultra-thin multifunctional quick-connect keys and optical mouse, can be operated like an ordinary PC through the keyboard or mouse to complete a variety of operations.
6. The main control board adopts DSP + FPGA structure, 16-bit DAC output, the base wave can produce 2000 points per week of high-density sine wave, greatly improving the quality of the waveform, improve the accuracy of the tester.
7. The amplifier adopts high-fidelity linear amplifier, which ensures the accuracy of small current and the stability of large current.
8. Adopt USB interface to communicate directly with PC, without any adapter line, convenient to use.
9. Can be connected to a laptop computer (optional) operation. Laptop and industrial computer using the same set of software, without having to re-learn the operating methods.
10. With GPS synchronization test function. Device can be built-in GPS synchronization card (optional) through the RS232 port connected to the PC, to achieve synchronization of the two testers off-site adjusting test.
11. Equipped with an independent special DC auxiliary voltage source output, the output voltage were 110V (1A), 220V (0.6A). To provide for the need for DC power supply relay or protection device use.
12. With software self-calibration function, to avoid having to open the chassis by adjusting the potentiometer to calibrate the accuracy, thus greatly improving the stability of the accuracy.
1.AC Current source
| Single-phase current output (RMS) |
0--10A/phase, accuracy: 0.1%±5mA |
| Three-phase parallel output (RMS) |
0--30A/three same phase parallel outputs |
| Phase current long time allowable working value (RMS) |
5A |
| Maximum output power per phase |
100VA |
| Three-phase parallel current maximum output power |
300VA |
| Three-phase parallel current maximum output allowable operating time |
5s |
| Frequency range |
0--1000Hz,Accuracy 0.01Hz |
| Number of harmonics |
2--20times |
| Phase |
0--360°,Accuracy 0.1° |
2.DC Current source
| DC current output |
0--±5A/phase, accuracy: 0.2%±5mA |
3.AC voltage source
| Single-phase voltage output (RMS) |
0--120V/Phase,accuracy:0.1%±5mV |
| Line Voltage Output (RMS) |
0--240V |
| Phase Voltage/Line Voltage Output Power |
40VA/60VA |
| Frequency range |
0--1000Hz,accuracy:0.01Hz |
| Number of harmonics |
2--20times |
| Phase |
0--360°,accuracy:0.1° |
4.DC voltage source
| Single-phase voltage output amplitude |
0--±160V,accuracy:0.2%±5mV |
| Line Voltage Output Amplitude |
0--±320V |
| Phase Voltage/Line Voltage Output Power |
40VA/60VA |
5.Switching Terminal
| Switching input terminals |
8 pairs |
| Empty contact |
1--20mA,24V internal active output of the device |
| Potential flip-flop |
Passive contact: low resistance shorting signal
Active contact: 0-250VDC |
| Switching output terminals |
4 pairs, empty contact, blocking capacity: 110V/2A, 220V/1A |
6.Others
| Time Range |
1ms--9999s,measurement accuracy:1ms |
| Volume weight per unit |
Volume 308x153x220mm3, about 8.5Kg |
| Adapter power supply |
Charger 24V/2A |
7.AC current operating time
| Standby operating time |
Operating time > 6 hours |
Q1:Is your company a sales or a manufacturer?
We are an integrated trade and manufacturing company with our own factory.
Q2:If we need to customize our own brand or if there are special requirements for the built-in software of the machine, can it be customized?
Yes, we accept OEM/ODM/OBM and can customize the built-in software of the product according to the customer's special requirements.
Q3:What is the usual lead time? How long can we receive the order after placing it?
In normal circumstances, products in stock can be received within 5 to 7 days via the fastest international express. Other situations may vary depending on the quantity of products ordered, whether there are special customization requirements, and the delivery time chosen.
Q4:How can we ensure that the product will not be damaged during transportation, considering the large size of the product?
We have professional internal and external packaging to ensure the safety and stability of the products during transportation. For fragile or other special parts, we will include an extra set to ensure that the customer can use the product immediately upon receipt.
Q5:How do you handle after-sales service? What if there is a quality problem with the product or if the customer does not know how to operate it?
For quality issues that are not caused by human error, we provide a one-year warranty from the time the product is delivered, and lifetime technical support. Other after-sales issues will be addressed by our professional technical staff within 24 hours. The product comes with a user manual and an operation video.
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