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XHYY102 Insulating Oil Dielectric Strength Tester is a high-accuracy, fully digital industrial instrument independently developed in strict accordance with national standard GB507-1986 and industry standard DL/T846.7-2004. Available in single-cup, three-cup, and multi-cup configurations to meet diverse throughput requirements, this instrument features a portable structure for easy transport between indoor and outdoor testing locations. Its fully automatic digital microcomputer control delivers reliable measurement performance, strong anti-interference capability, and operational safety — making it an accessible and practical choice for routine transformer oil dielectric strength testing across a wide range of field and laboratory environments.
Technical Specifications
Parameter
Specification
Output Voltage
0–80 kV
Booster Capacity
1.5 kVA
Measurement Accuracy
±3%
Voltage Distortion Rate
< 3%
Boost Speed
0.5–5.0 kV/s (adjustable)
Electrode Gap
Standard 2.5 mm
Test Cup Options
Single-cup / Three-cup / Multi-cup (configurable)
Boost Frequency
1–9 times (user-selectable)
Standing Time
15 min (adjustable)
Boost Interval
5 min (adjustable)
Test Standards
GB507-1986 / GB507-2002 / DL429 / IEC156 / Custom
Dimensions
465 × 385 × 425 mm
Operating Conditions
Parameter
Specification
Ambient Temperature
0℃ to +45℃
Relative Humidity
< 75% RH
Working Power Supply
AC 220V ± 10%
Power Frequency
50 Hz ± 1 Hz
Power Consumption
200 W
XHYY102 Series Configuration Options
Model Variant
Cup Configuration
Best Suited For
Single-Cup
1 oil cup
Low-volume testing, field service, budget-conscious applications
Three-Cup
3 oil cups
Standard laboratory and workshop testing, moderate throughput
Multi-Cup
Multiple oil cups
High-throughput laboratory and production line QC testing
Key Performance Features
Portable, Field-Ready Design — Lightweight, compact structure engineered for easy transport between indoor laboratories and outdoor substation environments, enabling on-site testing at distributed assets without requiring sample transport to a central facility.
Flexible Cup Configuration — Available in single-cup, three-cup, and multi-cup variants to match specific throughput requirements and budget constraints, from occasional testing to routine high-volume operations.
Multi-Standard Compliance — Pre-loaded with GB507-1986, GB507-2002, DL429, IEC156, and user-defined custom protocols, enabling deployment across domestic Chinese and international regulatory environments.
Large-Capacity Microcontroller — Stable, reliable operation with built-in wide-range watchdog circuit to prevent system crashes during extended testing sessions.
Precision Measurement Chain — High-voltage side sampling feeds directly to the A/D converter, bypassing analog circuit errors. Special glass one-piece cast oil cup eliminates leakage and interference for consistent, repeatable results.
Comprehensive Safety Protection — Integrated over-current, over-voltage, and short-circuit protection with strong anti-interference capability and electromagnetic compatibility for safe operation in diverse electrical environments.
Environmental & Status Monitoring — Built-in temperature and humidity sensors with digital display, plus indicator lights showing active operation steps for clear, at-a-glance status awareness.
On-Site Documentation — Built-in thermal printer generates immediate hard-copy test reports for real-time compliance documentation and maintenance record-keeping.
Instrument Panel Overview
Component
Function
LCD Screen
Displays date, time, operating parameters, test results, and menu prompts
Function Keys
Select and configure operating parameters
Printer
Prints test results for immediate documentation
Press Switch
Opens or closes the lid with one-touch operation
Indicator Light
Illuminates to indicate active operation steps in progress
Oil Cup Tank Cover
Open to insert/remove oil cup; must be closed before testing
Temp. & Humidity Sensor
Measures ambient temperature and relative humidity, converts to digital display
Ground Pole
Reliable ground connection terminal
Power Socket & Switch
AC 220V 50Hz power input and on/off control
Product Images
Frequently Asked Questions
Q1: Is this tester suitable for small-scale electrical contractors and independent electricians?
Yes, the XHYY102 is an ideal entry point for independent electrical contractors who perform transformer maintenance as part of broader service offerings. Its portable design and straightforward function-key operation mean a single technician can transport and operate the instrument without specialized high-voltage training beyond standard electrical safety qualifications. The single-cup configuration keeps the initial investment accessible while still providing ±3% measurement accuracy and compliance with GB and IEC standards — sufficient for routine condition assessment and client reporting in small to medium-scale electrical infrastructure projects.
Q2: Can rural and remote area power distribution maintenance teams rely on this instrument?
Absolutely. Rural and remote distribution networks face unique challenges: limited access to centralized laboratories, long sample transport times, and constrained maintenance budgets. The XHYY102’s portable, self-contained design eliminates the need for sample shipping — testing can be performed on-site at the substation. Its wider operating temperature range (0℃ to +45℃) accommodates the more variable environmental conditions typical of remote installations, and the built-in printer generates immediate documentation when connectivity to central reporting systems may be unavailable.
Q3: Is this instrument appropriate for vocational and technical training schools?
Technical and vocational education institutions teaching electrical power systems, transformer maintenance, and high-voltage testing benefit from instruments that balance instructional value with budget accessibility. The XHYY102’s straightforward function-key interface and clear LCD display make it an excellent teaching platform — students learn fundamental BDV testing principles without the abstraction layer of advanced touch-screen interfaces. Its compliance with national GB standards and international IEC156 ensures that skills learned are directly transferable to industry practice, while the thermal printer enables individual student lab reports for assessment purposes.
Q4: Can electrical equipment auction and resale companies use this for asset condition verification?
Companies that buy, refurbish, and resell used transformers and oil-filled switchgear need cost-effective tools to verify oil condition before listing equipment for sale. The XHYY102 provides the essential BDV measurement capability at an accessible price point, enabling auction houses and equipment resellers to test, document, and transparently report oil condition to potential buyers. The printed test reports add credibility to equipment listings and help establish fair market value based on verified condition, while compliance with recognized GB and IEC standards gives buyers confidence in the assessment methodology.
Q5: Is it suitable for cooperative and community-owned utility organizations?
Rural electric cooperatives, community-owned utilities, and municipal power authorities with limited engineering staff need practical, reliable tools that don’t require dedicated specialists to operate. The XHYY102’s fully automatic digital control eliminates operator-dependent variability — general maintenance personnel can perform consistent, standards-compliant oil testing after brief familiarization. Multiple cup configuration options allow cooperatives to select the right throughput level for their transformer fleet size, and the wide operating temperature range (up to +45℃) suits the diverse climates where many cooperative utilities operate across Asia, Africa, and Latin America.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2013
Total Annual:
1000000-5000000
Employee Number:
50~100
Ecer Certification:
Verified Supplier
Xi'an Xu&Hui Electromechanical Technology Co., Ltd. /Xian XZH Electric Power Technology Co., Ltd.
Has found in 2013, located in Xi'an, China. which is a highly experienced team dedicated to developing electrical...
Xi'an Xu&Hui Electromechanical Technology Co., Ltd. /Xian XZH Electric Power Technology Co., Ltd.
Has found in 2013, located in Xi'an, China. which is a highly experienced team dedicated to developing electrical...