UHV-602 Portable Waveform Recorder

The UHV-602 Portable Waveform Recorder is an intelligent instrument that integrates fault waveform recording, generator characteristic testing, and other functions into a single compact unit. Its small size, powerful functionality, wide application range, and flexible configuration have made it a popular choice among users. As a reliable tool for electric power professionals, it is poised to make significant contributions to the production and technological advancement of the power industry.

Product functions

Fault recording and analysis: Records electrical waveforms during equipment operation and fault events, and performs fault data analysis.

Real-time monitoring: Real-time acquisition, monitoring, and display of analog and digital signals.

Electrical parameter calculation: Real-time calculation of active power, reactive power, frequency, power factor, positive sequence / negative sequence / zero sequence, phase angle, and other electrical parameters.

Generator characteristic testing: Supports generator no-load, short-circuit, excitation, and other characteristic tests.

Transient waveform recording and analysis: High-speed acquisition, waveform recording, and analysis of transient electrical signals.

Data storage and processing: Supports storage, backup, analysis, and output of test data.

Multi-channel synchronous acquisition: Supports synchronous acquisition of multiple channels including analog and digital signals, meeting comprehensive electrical testing requirements.

Product Characteristics

Các thông số kỹ thuật

Hardware configuration
Display screen	15.6 "LCD; resolution: 1366 × seven hundred and sixty-eight
Kho	Hard drive 120GB, memory 4GB
Giao diện	Network: 1 10/100Mbps 802.3u interface, 2 USB interfaces
Number of channels
Analog quantity	16 routes
Switching quantity	16 routes
Derived quantity	24 routes
Channel
Synchronous sampling frequency	10k/s、20k/s、50k/s、100k/s optional
Safety	Galvanic isolation withstand voltage 3000VDC
Nguồn điện làm việc
nguồn điện xoay chiều	Rated voltage: single-phase 220V, 50Hz, allowable deviation -15%~+15%
DC power supply	Rated voltage: 220V, allowable deviation -15% to+15%
Kết cấu
Chassis size (mm)	407 (width) × 150 (high) × 370 (deep)
Cân nặng	10kg (including aluminum alloy packaging box)
Environment
Operation temperature	Indoor use: -5~+45 ℃, relative humidity 5-95%
Môi trường lưu trữ	Indoor storage: -5~+45 ℃, humidity below 95rh% (non condensing)

Analog channel

Technical indicators
A/D resolution	16 bit
Effective value accuracy	0.2%
Channel Type
Ac signal	Calculate effective value using RMS (root mean square) algorithm
Dc signal	Calculate the effective value using the average algorithm
Speed signal	Process and extract zero crossing information, calculate parameters such as speed and power angle
4-20mA signal	Calculate the effective value using the average algorithm
Phạm vi đo
AC voltage channel	AC150V～AC1000V
AC current channel	Direct access: AC10A
Current clamp: AC1A~AC200A
DC voltage channel	DC±100mV、DC±2000V
DC current channel	Direct access: DC ± 200mA
Hall current clamp: DC ± 100A
Speed channel	Photoelectric sensors or eddy current sensors; 1: 1 or 1:60

Derived quantity

Types of	sự chính xác
Tính thường xuyên	±0.02Hz
Điện năng hoạt động	0.5%, cos φ 1.0-0.5 Voltage ＞ 50% Current ＞ 10%
Công suất phản kháng	0.5%, sin φ 1.0-0.5 Voltage ＞ 50% Current ＞ 10%
Difference between two vectors, sum of two vectors, AC impedance	0.5%
Power factor/positive sequence/negative sequence/zero sequence/two-phase negative sequence/synchronous pressure difference	1%
Phase angle difference, measured power angle, line power angle	±0.3°
Calculate work angle	±1.5°
Scalar sum	Determined by reference parameters
Scalar difference	Determined by reference parameters
linear function	Determined by reference parameters

Switching channel

Channel Type	Technical Parameter
Combination of 8 active nodes and 8 passive nodes	Active node access to DC24~220V
8 passive nodes, 4 active nodes, and 4 output channels	Active node access to DC24~220V
Output capacity empty node output, AC220V/5A
16 passive nodes	/

Application Scenarios

Power system operation monitoring: Real-time monitoring of voltage, current, and electrical parameters to track equipment operating status.

Power equipment fault analysis: Records waveforms before and after faults, providing a basis for fault location and cause analysis.

Generator characteristic testing: Used for no-load, short-circuit, excitation, and other characteristic tests, as well as start-up process testing.

Excitation system testing: Used for excitation system tests such as voltage boosting, de-excitation, and step response.

Transient signal analysis: Records transient waveforms during equipment start-up, switching, and fault events.

Industrial equipment testing: Used for operational condition monitoring and electrical fault diagnosis of industrial equipment.

Frequently Asked Questions

Q: Can the device's sampling speed meet the requirements for transient testing?

A: Yes. It supports high-speed synchronous sampling and can be used for recording and analyzing transient and instantaneous electrical signals.

Q: Is it suitable for laboratory use or on-site use?

A: Both. It is particularly suitable for portable testing and fault diagnosis in power plants, substations, and industrial sites.

Q: What problems does the device mainly solve for the purchaser?

A: It mainly solves issues such as difficulty in capturing on-site electrical signals, difficulty in recording fault waveforms, difficulty in analyzing abnormal causes, and lack of preserved test data.

Q: How can we determine whether this device is suitable for our project before purchase?

A: It mainly depends on matching the test object, signal acquisition requirements, number of channels, sampling speed, and testing functions. Model selection can be made based on specific testing needs.