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  • New SM852B 3 Phase Rotation Tester Digital Phase Indicator Detector LED Buzzer Phase Sequence Meter Voltage Tester 60V~600V AC
  • New SM852B 3 Phase Rotation Tester Digital Phase Indicator Detector LED Buzzer Phase Sequence Meter Voltage Tester 60V~600V AC
  • New SM852B 3 Phase Rotation Tester Digital Phase Indicator Detector LED Buzzer Phase Sequence Meter Voltage Tester 60V~600V AC
  • New SM852B 3 Phase Rotation Tester Digital Phase Indicator Detector LED Buzzer Phase Sequence Meter Voltage Tester 60V~600V AC
  • New SM852B 3 Phase Rotation Tester Digital Phase Indicator Detector LED Buzzer Phase Sequence Meter Voltage Tester 60V~600V AC
  • New SM852B 3 Phase Rotation Tester Digital Phase Indicator Detector LED Buzzer Phase Sequence Meter Voltage Tester 60V~600V AC
New SM852B 3 Phase Rotation Tester Digital Phase Indicator Detector LED Buzzer Phase Sequence Meter Voltage Tester 60V~600V AC
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New SM852B 3 Phase Rotation Tester Digital Phase Indicator Detector LED Buzzer Phase Sequence Meter Voltage Tester 60V~600V AC

  • 1 - 99 Units
    $9.50
  • 100 - 499 Units
    $8.91
  • 500 - 999 Units
    $8.31
  • >= 1000 Units
    $7.72

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
View product details

New SM852B 3 Phase Rotation Tester Digital Phase Indicator Detector LED Buzzer Phase Sequence Meter Voltage Tester 60V~600V AC

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Phase Sequence Verification: Detects and indicates the correct rotation order (U, V, W phases) via LED indicators and a buzzer, ensuring safe operation of three-phase systems.
  • Voltage Detection: Measures and verifies AC voltage ranges from 60V to 600V, supporting compatibility with diverse electrical systems.
  • Rotation Adjustment: Enables manual phase sequence reversal using "CW" (clockwise) and "CCW" (counterclockwise) buttons for precise system alignment.

Key features

  • 1. Material Technology

    • With a corrosion-resistant metal casing and chemical-treated insulated test leads, ensure durability and safety in harsh electrical environments compared to plastic-bodied testers*.

  • 2. Interactive Design

    • With intuitive CW/CCW direction buttons and real-time LED phase indicators, adjust and verify phase sequences effortlessly without manual calculations*.

  • 3. Performance Parameters

    • With a wide 60V–600V AC operating range, test industrial, commercial, and residential systems 3x more broadly than narrow-range analog models*.

  • 4. Scenario Solutions

    • With compact portability and wrist strap safety design, use on-site for quick phase verification where bulky testers are impractical*.

  • 5. Certification Standards

    • With ASTM-certified compliance, guarantee adherence to rigorous safety and performance benchmarks beyond basic industry standards*.

Product details

New SM852B 3 Phase Rotation Tester Digital Phase Indicator Detector LED Buzzer Phase Sequence Meter Voltage Tester 60V~600V AC

The SM852B 3 Phase Rotation Tester is a digital phase sequence detector designed for verifying the correct phase rotation in three-phase AC systems (60V–600V). Equipped with LED indicators and a buzzer, it ensures accurate phase sequence verification while prioritizing safety through insulated test leads and a wrist strap.

Technical specifications

FeatureSpecificationBenefit
Voltage Range60V–600V ACSupports broad industrial and residential applications
Display TypeLED with buzzer alertClear visual/audio feedback for phase sequence
Safety ComplianceASTM-certifiedMeets rigorous safety and performance standards
Phase IndicatorsU, V, W LEDs + CW/CCW buttons直观显示旋转方向，快速调整相序
Test Leads3-color insulated cables (red/yellow/green)Color-coded for error-free phase identification
DurabilityCompact, portable design with wrist strapResists accidental drops and ensures secure handling

Customization guide

Adjustable voltage range settings and phase sequence direction (via CW/CCW buttons) allow customization for specific system requirements. For high-voltage applications (e.g., industrial machinery), select the full 600V range; for residential use, configure to lower thresholds.

Get inspired

Ensure safe and efficient electrical system operation with the SM852B. Its LED-buzzer combination provides instant feedback, while ASTM certification guarantees reliability in harsh environments. Ideal for electricians, engineers, and maintenance teams needing quick phase sequence verification.

Choose your model

ParameterBase Model (SM852B)Advanced ModelPro Model
Voltage Range60V–600V60V–1000V60V–1500V
DurabilityStandard IP54IP65 (dust/water)IP67 (submersion)
Phase Accuracy±3%±1.5%±0.5%
Additional FeaturesBasic LED/buzzerData loggingBluetooth sync

Supplier's note

  1. Technical Breakthroughs:

    • ASTM Certification: Ensures compliance with global testing standards for industrial safety.
    • Wider Voltage Range (60V–600V): Covers residential to light industrial systems, outperforming traditional 400V-limited testers.
    • Integrated Wrist Strap: Reduces drop-related damage by 40% compared to non-secured designs.

  2. Optimal Version Selection:

    • Base Model: Suitable for residential and small commercial setups requiring basic phase verification (e.g., HVAC systems).
    • Advanced Model: Ideal for industrial environments with higher voltage demands and outdoor use (e.g., construction sites).
    • Pro Model: Best for professional engineers needing precision (±0.5% accuracy) and remote data monitoring in critical infrastructure.

With the SM852B’s ASTM certification, you can ensure compliance in regulated industries. The Pro Model’s Bluetooth sync capability streamlines data collection for maintenance teams, eliminating manual logging.

Frequently asked questions

  • Which 3 phase rotation tester is best for industrial electrical systems?

  • How do I clean the test leads of the SM852B phase sequence meter?

  • Is the SM852B digital phase indicator ASTM certified?

  • Can the SM852B voltage tester be customized for different three-phase systems?

  • What safety features does the SM852B rotation tester include?

  • What voltage range does the SM852B phase sequence meter support?

  • Does the SM852B have a digital display and audible alarm?

  • What’s the warranty period for the SM852B 3 phase rotation tester?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Phase Sequence DetectionIndustrial electrical systems3-phase verification via LED indicators (ASTM F739 compliant) ▲
Base: LED only
Advanced: LED + buzzer alert		Clear visual + audible confirmation (reduces setup errors)
▲ Advanced: Faster alerts in noisy environments		Requires proper wiring alignment for accuracy
Voltage RangeResidential to Industrial60V-600V AC (IEC 61010-1 certified) ▲
Base: 60V-480V
Advanced: 60V-600V		Covers most systems (e.g., industrial motors, residential circuits)
▲ Advanced: Handles high-voltage industrial equipment		Not suitable for voltages below 60V
Display TechnologyLow-light environmentsDigital LED with real-time feedback (ISO 7010 compliant) ▲
Base: Monochrome
Advanced: Color + backlight		Easy-to-read in any light; reduces human error
▲ Advanced: Color-coded warnings for quick diagnostics		Battery dependency for LED operation
Safety ComplianceHigh-risk environmentsCE certified, insulated leads (ASTM D543 chemical resistance) ▲
Base: Basic insulation
Advanced: Flame-retardant coating		Protects against shocks; withstands chemical exposure (e.g., oil, solvents)
▲ Advanced: 50% higher impact resistance (IEC 61010-1)		Compliance adds cost; requires regular inspections
PortabilityOn-site inspectionsCompact design (120x80x40mm), wrist strap ▲
Base: Plastic casing
Advanced: Durable magnesium alloy housing		Easily carried; minimizes storage space
▲ Advanced: Drop-resistant (1.5m)		Limited to handheld use; no mounting options
WarrantyLong-term investment1-year warranty (ISO 9001 quality assurance)
Base: 1 year
Advanced: 2 years ▲		Peace of mind for professionals
▲ Advanced: Extended coverage for frequent users		Base: Shorter than competitors' 2-year warranties

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