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Customized Transformer Insulation Oil Acid Value Tester Automatic Oil Testing Machine

Name: Customized Transformer Insulation Oil Acid Value Tester Automatic Oil Testing Machine
Brand: Xi'an Xu&Hui Electromechanical Technology Co., Ltd.
SKU: XHSZ1811L
Price: 4,115.00 USD
Availability: InStock

Product Details:

Place of Origin:	Xi'an, Shaanxi, China
Brand Name:	XZH TEST
Certification:	CE/ISO
Model Number:	XHSZ1811L

Detail Information

Place of Origin:

Xi'an, Shaanxi, China

Brand Name:

XZH TEST

Certification:

CE/ISO

Model Number:

XHSZ1811L

Model NO.:

XHSZ181 Series

Customized:

Customized

Transport Package:

Wooden Box With Foam Inside

Trademark:

XZH TEST

Supply Ability:

1000pieces/Year

Customization:

Available

After-sales Service:

Warranty Certificate

Warranty:

1 Year

Highlight:

High Light

Highlight:

6-Sample Simultaneous Auto Testing

0.005mg KOH/g High Precision

Auto Extract Background Deduction

Trading Information

Minimum Order Quantity:

1 unit

Price:

Negotiable

Packaging Details:

wooden case

Delivery Time:

5-8 days

Payment Terms:

T/T

Supply Ability:

2000 PCS/Year

Product Description

Target Application: Engineered for transformer insulating oil analysis laboratories, dielectric fluid testing services, and oil reconditioning facilities requiring high-throughput automated acid value quantification. Distinct from field-portable testers, the XHSZ181 Series provides laboratory-grade precision with 6-sample simultaneous processing for fleet-scale oil condition monitoring and transformer life extension programs.

XHSZ181 Series Transformer Insulation Oil Acid Value Tester

The XHSZ181 Series is a full-color touch-screen automatic measuring instrument for accurately detecting the acid value of insulating oil. It significantly improves working efficiency and test accuracy while reducing operator contact with samples and chemical reagents — maximizing personal safety in the analytical laboratory. English version available.

Simply inject the sample into the sample cup and place it in the holder. The instrument automatically handles: sample detection, extractant injection and blank value titration, measurement, cleaning, shutdown, and result display with printing. It can process 1 to 6 samples per batch, delivering exceptional throughput for transformer fleet oil monitoring programs.

The instrument is equipped with standard acid and calibration procedures for verifying both the instrument and neutralizing solution at any time — overcoming the drift challenge. It also automatically deducts the extract background value, eliminating solvent aging effects on results. This dual compensation mechanism ensures superior long-term measurement reliability.

Key Features

6-Sample Simultaneous Processing: Up to 6 samples in a single automated run — ideal for oil analysis laboratories handling high volumes from transformer fleets, substation maintenance programs, and oil reconditioning batch testing.
Full Automation Workflow: From sample detection through extract injection, blank titration, measurement, cleaning, to shutdown — zero manual intervention required after loading, minimizing operator exposure to reagents.
Standard Acid Calibration: Built-in calibration with certified standard acid enables instrument verification and neutralizing solution standardization at any time — eliminating drift-related accuracy degradation.
Auto Background Deduction: Automatically measures and deducts extract background value for each batch, compensating for solvent aging that would introduce systematic bias in long testing sequences.
Color Touch-Screen Interface: Intuitive full-color display with guided workflow reduces operator training and minimizes procedural errors in high-throughput laboratory environments.
Built-In Printing: Automatic result printing provides immediate hardcopy documentation for quality control records and customer test certificates.

Technical Specifications

Test Range	0.002 ~ 1 mg KOH/g
Measurement Error	0.005 mg KOH/g
Reproducibility	0.005 mg KOH/g
Sample Capacity	1-6 Samples per Batch
Applicable Temperature	10 ~ 45
Applicable Humidity	85% RH
Power Supply	AC 220V / 50Hz
Power Consumption	50W
Display	Color LCD Touch Screen

Frequently Asked Questions

Q1: Why is acid value measurement critical for transformer oil condition?

Acid value (neutralization number) is one of the most important parameters in transformer oil monitoring. As oil oxidizes from thermal stress, oxygen exposure, and catalytic reactions with copper windings, acidic compounds accumulate — causing sludge formation, corrosion of internal metal surfaces, and accelerated paper insulation degradation. The XHSZ181's 0.002-1 mg KOH/g range with 0.005 mg KOH/g precision detects even subtle acidification trends, enabling proactive oil reconditioning or replacement scheduling before mechanical or electrical failure occurs.

Q2: How does the automated 6-sample workflow compare to manual titration?

Manual titration requires a skilled technician to precisely dispense reagents, detect color-change endpoints visually, and calculate results — taking 15-20 minutes per sample with operator-dependent reproducibility. The XHSZ181 automates the entire process for up to 6 samples simultaneously. The technician simply loads sample cups; the instrument handles extract injection, blank value determination, potentiometric endpoint detection, calculation, cleaning, and report printing. This reduces per-sample labor cost by over 80%, eliminates operator variability, and protects personnel from solvent exposure.

Q3: How does the instrument compensate for reagent degradation?

Two calibration mechanisms address the most common drift sources: (1) Standard acid calibration uses a certified reference solution to verify instrument response — compensating for neutralizing solution concentration changes as KOH in isopropanol absorbs atmospheric CO2; (2) Automatic extract background deduction measures the solvent blank for each batch and subtracts it from sample measurements — accounting for background acidity accumulating during solvent storage. Together, these functions maintain 0.005 mg KOH/g accuracy between formal recalibration intervals.

Q4: What sample preparation is required and which oil types are compatible?

Minimal preparation: inject insulating oil directly into the sample cup — no filtration, dilution, or pre-treatment is necessary. The instrument is compatible with mineral-based transformer oils, silicone-based dielectric fluids, and synthetic ester insulating liquids. The 0.002-1 mg KOH/g range covers new oil acceptance testing (typically <0.03 mg KOH/g) through in-service monitoring to end-of-life acid values. For severely degraded oils exceeding 1 mg KOH/g, a dilution protocol can extend the effective range.

Q5: Can this instrument be used in ISO/IEC 17025 accredited laboratories?

Yes. The XHSZ181 supports accredited laboratory requirements: (1) Built-in calibration with traceable standard acid enables documented instrument verification; (2) Automatic result printing provides tamper-proof hardcopy records; (3) Background deduction and calibration compensation are fully documented; (4) Measurement range, error ( 0.005 mg KOH/g), and reproducibility ( 0.005 mg KOH/g) meet ASTM D974 and IEC 62021-1 technical requirements; (5) 6-sample parallel processing supports batch testing and replicate analysis protocols required by laboratory quality management systems.

Tags:

Customized Transformer Insulation Oil Acid Value Tester Automatic Oil Testing Machine

High Light

Highlight:

6-Sample Simultaneous Auto Testing

0.005mg KOH/g High Precision

Auto Extract Background Deduction

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