Smart Sensor Electric Power Series Catalog in Malaysia | Authorized Solutions by MTM Precision

Elevating High-Voltage Insulation Testing, Earth Ground Resistance Verification, Solar PV Array Diagnostics, Battery Health Analysis, and Electrical Safety Compliance Across Malaysian Enterprise Facilities.

Professional-Grade Electrical Power & Safety Testing for Modern Industry

In electrical power distribution, high-voltage substation maintenance, solar photovoltaic farm commissioning, industrial facility safety auditing, and electrical contracting across Malaysia, precise and reliable power testing instruments are indispensable. Electrical engineers, testing technicians, and maintenance supervisors require robust digital diagnostic equipment capable of performing 10kV insulation resistance testing, earth clamp ground resistance measurements, solar MPPT evaluation, low-resistance DC winding tests, RCD/ELCB trip verification, and ultrasonic overhead cable height measurements.

Industry-leading instrumentation developer Smart Sensor engineered the specialized Electric Power Series to set the benchmark for electrical testing and safety compliance. Featuring flagship high-voltage insulation testers (such as the 10kV ST3128 and AR3120 series), earth resistance testers (AR4105 and ST4100 series), solar MPPT power meters (ST705 series), high-current DC resistance testers, and battery impedance analyzers, this comprehensive lineup delivers laboratory-grade accuracy in rugged, field-ready formats. Distributed across Malaysia by MTM Precision Sdn. Bhd. in Puchong, Selangor, these genuine factory-backed instruments supply local electrical utilities, solar contractors, and industrial facilities with vital diagnostic tools.

Flagship Spotlight: Smart Sensor Electric Power Series Lineup

This product showcase covers professional high-voltage insulation testers, earth resistance meters, solar PV testing tools,and specialized electrical safety diagnostic devices:

1. High-Voltage & 10kV Digital Insulation Testers

Smart Sensor ST3128 (10kV Digital Insulation Tester): Flagship heavy-duty insulation resistance tester featuring selectable test voltages up to $10\text$ ( $250\text$ , $500\text$ , $1000\text$ , $2500\text$ , $5000\text$ , $10\text$ ), measuring insulation resistance up to $0.01\text\Omega\text{--}3000\text\Omega$ . Includes Polarization Index (PI) testing, Absorption Ratio testing, 500 groups of data storage, and comprehensive overload protection.
Smart Sensor AR3123, AR3125, AR3126 & AR3127 (High Voltage Insulation Testers): Comprehensive lineup of rugged handheld insulation meters offering test voltages up to $2500\text$ or $5000\text$ , low-ohm continuity checking, auto-discharge functions, and USB data logging.

2. Earth Ground Resistance & Clamp Meters

Smart Sensor ST4100 & ST4800 (Earth Clamp Resistance Testers): Non-contact earth ground loop resistance clamp meters measuring resistance up to $0.01\text{--}1200\Omega$ and AC leakage current up to $30.0\text$ ,equipped with 500 storage groups and alarm functions.
Smart Sensor AR4105A+ & AR4105B (Earth Resistance Testers): Professional 3-wire/4-wire earth ground resistance meters measuring earth resistance ( $0\text{--}1999\Omega$ ) and earth voltage ( $0\text{--}200\text$ ) with high accuracy and data hold capabilities.

3. Solar PV & Specialized Electrical Diagnostic Meters

Smart Sensor ST705 & ST705A (Solar MPPT Meters): Specialized photovoltaic testing meters measuring maximum power point (up to $2000\text$ / $1080\text$ ), maximum voltage point, maximum current point,open-circuit voltage, and short-circuit current for solar panel efficiency verification.
Smart Sensor ST4203 (DC Resistance Tester - NEW): High-current micro-ohmmeter measuring low resistance ( $10\,\mu\Omega\text{--}1000\text{k}\Omega$ ) with test currents up to $20\text$ . Features built-in thermal printer, 800 storage groups, and PC/App connectivity powered by a $12000\text{mAh}$ lithium battery.
Smart Sensor AR5406 (Digital RCD / ELCB Tester): Specialized electrical safety tester verifying trip times and trip currents for residual current devices across multiple leakage ranges ( $10/20/30/200/300/500\text{mA}$ ).
Smart Sensor ST9001 (Battery Resistance Tester): Precision impedance analyzer testing battery internal resistance ( $0.001\text{m}\Omega\text{--}3.100\Omega$ ) and voltage for backup UPS and industrial battery banks.
Smart Sensor AR600E (Ultrasonic Cable Height Meter): Non-contact digital height meter measuring overhead wire clearance ( $3\text{--}23\text{m}$ ) using ultrasonic signals with bottom/top measurement modes.

Technical Specifications & Parameter Matrix

Smart Sensor Electric Power Series Detailed Specifications

Model / Instrument	Core Measuring Function	Key Ranges & Electrical Specs	Power Supply & Data Features
ST3128 (10kV Insulation Tester)	Insulation Resistance, PI, DAR	Voltage up to $10\text$ ; Resistance: up to $3000\text\Omega$	Rechargeable Battery; 500 Storage Groups; PI/Absorption tests
AR3125 / AR3126 / AR3127	High Voltage Insulation Testing	Test voltages up to $2500\text/5000\text$ ; Insulation up to $1000\text\Omega$	Battery powered; USB connection; PI testing capability
ST4100 / ST4800(Earth Clamp)	Earth Ground Loop Resistance & Current	Resistance: $0.01\text{--}1200\Omega$ ; Current: $0.00\text{mA}\text{--}30.0\text$	$4 \times 1.5\text$ AA Batteries; 500 Storage Groups; Alarm function
AR4105A+ / AR4105B (Earth Meters)	Earth Ground Resistance & Voltage	Resistance: $0\text{--}1999\Omega$ ; Earth Voltage: $0\text{--}200\text$	$6 \times 1.5\text$ AA Batteries; Precision 3/4-wire testing
ST705 / ST705A(Solar MPPT Meter)	Photovoltaic Panel Power & IV Parameters	Max Power up to $2000\text$ ; Max Voltage/Current tracking	Battery powered; Open-circuit voltage & short-circuit current testing
ST4203 (DC Resistance Tester)	Low-Resistance / Micro-Ohm Testing	Resistance: $10\,\mu\Omega\text{--}1000\text{k}\Omega$ ; Test Current up to $20\text$	$12000\text{mAh}$ Lithium Battery; Built-in thermal printer; App sync
AR5406 (Digital RCD / ELCB Tester)	Residual Current Circuit Breaker Testing	Leakage test currents: $10\text{mA}\text{--}500\text{mA}$ ; Trip time analysis	Industrial safety testing; Auto data saving; Phase angle selection
ST9001 (Battery Resistance)	Battery Internal Resistance & Voltage	Resistance up to $3.100\Omega$ ; Voltage up to $\pm 60\text$	Bluetooth connectivity; USB transfer; Thermal/electrical diagnostics
AR600E (Ultrasonic Cable Height)	Overhead Wire & Cable Clearance	Measuring height: $3\text{--}23\text{m}$ ; Resolution: $5\text{mm}$	$9\text$ Battery; BOT/TOP measurement modes

Detailed Technical Feature Breakdown

High-Voltage 10kV Insulation Analysis (ST3128)

The ST3128 provides heavy-duty diagnostic testing for transformers, cables, and rotating machinery by applying test voltages up to $10\text{kV}$ and automatically calculating Polarization Index (PI) and Dielectric Absorption Ratio (DAR) to evaluate insulation aging.
Non-Invasive Earth Clamp Ground Testing (ST4100 Series)

Eliminates the need to disconnect ground stakes by clamping directly around earth cables, measuring loop resistance and AC leakage current simultaneously in active electrical installations.
Dedicated Solar PV MPPT Testing (ST705 Series)

Empowers solar installers and maintenance engineers to verify photovoltaic string performance on-site by instantly capturing maximum power point wattage, open-circuit voltage, and short-circuit current.
High-Current Micro-Resistance & Battery Diagnostics

The ST4203 delivers up to $20\text$ test currents for precision breaker contact resistance testing with built-in thermal printing, while the ST9001 assesses backup battery health via internal resistance profiling.

Key Industry Applications in Malaysia

Smart Sensor electric power testing instruments supplied by MTM Precision serve vital electrical, renewable energy, and industrial sectors across Malaysia:

High-Voltage Substation & Transformer Maintenance: Testing insulation resistance, polarization index, and winding continuity across high-voltage switchgear, cables, and power transformers.
Solar Photovoltaic Farm Commissioning: Verifying solar panel array efficiency, MPPT output, and string electrical integrity across large commercial and utility-scale solar farms in Malaysia.
Earth Ground Resistance Verification: Testing grounding system effectiveness for lightning protection,telecommunication towers, and electrical distribution panels to comply with Suruhanjaya Tenaga (Energy Commission) standards.
Industrial Electrical Safety & RCD Auditing: Testing residual current device trip times and inspecting backup battery UPS systems in manufacturing plants, commercial towers, and data centers.

Why Choose MTM Precision Sdn. Bhd. as Your Partner in Malaysia?

Partnering with MTM Precision Sdn. Bhd. guarantees local access to authentic testing equipment and Smart Sensor electric power instruments backed by complete technical support:

100% Guaranteed Authentic Smart Sensor Products: Direct distribution ensuring genuine instruments that strictly meet manufacturer safety and electrical performance standards.
Local Stock & Rapid Delivery: Comprehensive local inventory in Puchong ensures fast fulfillment and minimal downtime for electrical contractors and utility maintenance teams.
Puchong Showroom & Hands-on Evaluation: Visit our physical facility in Puchong, Selangor to inspect high-voltage insulation testers, evaluate earth clamp meters, test solar PV diagnostic tools, and consult with our engineering team.
Expert Technical Guidance: Knowledgeable sales engineers available to advise on test voltage selection, earth grounding testing methods, solar panel rating parameters, and application-specific safety protocols.
ISO Quality Compliance Support: Supplying reliable, traceable electrical diagnostic instruments to assist businesses in maintaining ISO quality and local electrical safety compliance standards.