# Unitest Instruments Pte Ltd > Singapore's one-stop supplier of industrial test & measurement equipment and a SAC-SINGLAS accredited ISO/IEC 17025 calibration laboratory. Authorised distributor for Fluke, Fluke Calibration, Rotronic, Hach, CS Instruments, Coltraco Ultrasonics and more, serving Singapore since 2007. Unitest Instruments supplies, calibrates, and rents test & measurement instruments, and carries out measurement services (temperature mapping, power logging, compressed-air leak detection). All equipment is genuine and warranty-backed; calibration is performed in-house at a SAC-SINGLAS accredited laboratory (Lab No. LA-2023-0845-C, valid to 2 August 2027), recognised internationally under the ILAC Mutual Recognition Arrangement. - Company: Unitest Instruments Pte Ltd (UEN 201119141H) - Founded: 2007 - Location: 18 Boon Lay Way, #04-93, Tradehub 21, Singapore 609966 - Phone: +65 6659 8878 · WhatsApp: +65 8529 2838 · Email: sales@unitestinst.com - Hours: Monday–Friday, 9:00am–6:00pm (Singapore) - Accreditation: SAC-SINGLAS ISO/IEC 17025, Lab No. LA-2023-0845-C (valid to 2 August 2027) - Authorised brands (15): Fluke, Fluke Calibration, Fluke Networks, Rotronic, Hach, CS Instruments, Coltraco Ultrasonics, Amprobe, Comark, Michell Instruments, Vitrek, Ntron, AII (Analytical Industries), Qrometric, Fluke Condition Monitoring and Alignment (CMA, formerly Prüftechnik) ## Products - [All products](https://unitestinst.com/products/): full catalogue of 820+ test & measurement instruments - [Digital Multimeters](https://unitestinst.com/product-category/fluke-industrial/digital-multimeters/): Fluke handheld and bench multimeters - [Thermal Cameras](https://unitestinst.com/product-category/fluke-industrial/thermal-imager/): Fluke infrared / thermal imaging cameras - [Process Calibrators](https://unitestinst.com/product-category/fluke-calibration/): Fluke Calibration reference standards and calibrators - [Humidity & Temperature](https://unitestinst.com/product-category/rotronic/humidity/): Rotronic humidity and temperature instruments - [Compressed Air Measurement](https://unitestinst.com/product-category/cs-instruments/): CS Instruments flow, pressure and dew-point measurement - [Water Quality](https://unitestinst.com/product-category/hach/): Hach water-quality meters and spectrophotometers - [Clamp Meters](https://unitestinst.com/product-category/fluke-industrial/clamp-meters/): Fluke AC/DC clamp meters - [Condition Monitoring & Alignment](https://unitestinst.com/product-category/fluke-condition-monitoring-and-alignment/): Fluke CMA laser shaft alignment (RotAlign) and vibration analysis (VIBGUARD, VIBSCANNER, VIBXPERT) equipment - [Laser Shaft Alignment](https://unitestinst.com/laser-alignment/): RotAlign Core, Elite & Touch EX laser shaft alignment tools - [Vibration Monitoring](https://unitestinst.com/vibration-monitoring/): VIBGUARD IIoT, VIBSCANNER 2, VIBXPERT II & 3 vibration analysis equipment - [Brands](https://unitestinst.com/brands/): full list of authorised distributor brands ## Services - [Calibration (ISO/IEC 17025)](https://unitestinst.com/calibration/): SAC-SINGLAS accredited calibration, temperature mapping, on-site services - [Equipment Rental](https://unitestinst.com/rental/): short and long-term instrument rental, calibrated and ready to use - [Industries](https://unitestinst.com/industries/): manufacturing, pharmaceutical, F&B, electronics, marine, facilities ## Knowledge Hub — Calibration Fundamentals - [ISO/IEC 17025 calibration explained](https://unitestinst.com/articles/iso-17025-calibration-explained/) - [How often to calibrate instruments](https://unitestinst.com/articles/how-often-to-calibrate-instruments/) - [SAC-SINGLAS lab accreditation Singapore](https://unitestinst.com/articles/sac-singlas-lab-accreditation-singapore/) - [Measurement uncertainty guide](https://unitestinst.com/articles/measurement-uncertainty-guide/) - [On-site vs laboratory calibration](https://unitestinst.com/articles/on-site-vs-laboratory-calibration/) - [Temperature calibration guide](https://unitestinst.com/articles/temperature-calibration-guide/) - [Pressure calibration complete guide](https://unitestinst.com/articles/pressure-calibration-complete-guide/) - [Humidity calibration explained](https://unitestinst.com/articles/humidity-calibration-explained/) - [Electrical calibration Singapore](https://unitestinst.com/articles/electrical-calibration-singapore/) - [How to read a calibration certificate](https://unitestinst.com/articles/how-to-read-calibration-certificate/) - [Calibration vs verification difference](https://unitestinst.com/articles/calibration-vs-verification-difference/) - [Flow measurement calibration guide](https://unitestinst.com/articles/flow-measurement-calibration-guide/) ## Knowledge Hub — Electrical Testing - [How to use a digital multimeter safely](https://unitestinst.com/articles/how-to-use-multimeter-safely/) - [Insulation resistance testing guide](https://unitestinst.com/articles/insulation-resistance-testing-guide/) - [Earth continuity testing explained](https://unitestinst.com/articles/earth-continuity-testing-explained/) - [SS638 electrical installation testing](https://unitestinst.com/articles/ss638-electrical-installation-testing/) - [Power factor measurement guide](https://unitestinst.com/articles/power-factor-measurement-guide/) - [Motor winding testing guide](https://unitestinst.com/articles/motor-winding-testing-guide/) - [High voltage safety testing guide](https://unitestinst.com/articles/high-voltage-safety-testing-guide/) - [RCD testing — residual current device](https://unitestinst.com/articles/rcd-testing-residual-current-device/) - [Battery testing & maintenance guide](https://unitestinst.com/articles/battery-testing-maintenance-guide/) - [Generator testing & commissioning Singapore](https://unitestinst.com/articles/generator-testing-commissioning-singapore/) - [CAT III & CAT IV safety ratings explained](https://unitestinst.com/articles/cat-iii-cat-iv-safety-ratings-explained/) - [Clamp meter vs multimeter](https://unitestinst.com/articles/clamp-meter-vs-multimeter/) - [Power quality analysis explained](https://unitestinst.com/articles/power-quality-analysis-explained/) ## Knowledge Hub — Temperature, Humidity & Environment - [Thermocouples vs RTD sensors](https://unitestinst.com/articles/thermocouples-vs-rtd-sensors/) - [Cold chain monitoring Singapore guide](https://unitestinst.com/articles/cold-chain-monitoring-singapore-guide/) - [HVAC commissioning measurement tools](https://unitestinst.com/articles/hvac-commissioning-measurement-tools/) - [Infrared thermometer guide](https://unitestinst.com/articles/infrared-thermometer-guide/) - [Pharmaceutical temperature monitoring](https://unitestinst.com/articles/pharmaceutical-temperature-monitoring/) - [Server room environmental monitoring](https://unitestinst.com/articles/server-room-environmental-monitoring/) - [Food temperature monitoring HACCP](https://unitestinst.com/articles/food-temperature-monitoring-haccp/) - [Cleanroom environmental monitoring](https://unitestinst.com/articles/cleanroom-environmental-monitoring/) - [Data logger guide & applications](https://unitestinst.com/articles/data-logger-guide-applications/) - [Dew point & humidity measurement](https://unitestinst.com/articles/dew-point-humidity-measurement/) - [Temperature & humidity monitoring pharma / cold chain](https://unitestinst.com/articles/temperature-humidity-monitoring-pharma-cold-chain/) - [Thermal imaging for predictive maintenance](https://unitestinst.com/articles/thermal-imaging-predictive-maintenance/) - [Indoor air quality monitoring Singapore](https://unitestinst.com/articles/indoor-air-quality-monitoring-singapore/) ## Knowledge Hub — Pressure, Flow & Gas - [Pressure gauge selection guide](https://unitestinst.com/articles/pressure-gauge-selection-guide/) - [Differential pressure measurement](https://unitestinst.com/articles/differential-pressure-measurement/) - [Industrial gas leak detection](https://unitestinst.com/articles/industrial-gas-leak-detection/) - [CO & CO2 workplace monitoring](https://unitestinst.com/articles/co-co2-workplace-monitoring/) - [Ultrasonic flow meter explained](https://unitestinst.com/articles/ultrasonic-flow-meter-explained/) - [ATEX equipment guide Singapore](https://unitestinst.com/articles/atex-equipment-guide-singapore/) - [Flue gas analysis & combustion](https://unitestinst.com/articles/flue-gas-analysis-combustion/) - [Compressed air quality testing](https://unitestinst.com/articles/compressed-air-quality-testing/) - [Nitrogen & oxygen analyser guide](https://unitestinst.com/articles/nitrogen-oxygen-analyser-guide/) - [Anemometer & air velocity guide](https://unitestinst.com/articles/anemometer-air-velocity-guide/) - [Compressed air leak detection & energy savings](https://unitestinst.com/articles/compressed-air-leak-detection-energy-savings/) ## Knowledge Hub — Water Quality - [pH measurement industrial guide](https://unitestinst.com/articles/ph-measurement-industrial-guide/) - [Dissolved oxygen meter guide](https://unitestinst.com/articles/dissolved-oxygen-meter-guide/) - [Turbidity meter guide — water](https://unitestinst.com/articles/turbidity-meter-guide-water/) - [Conductivity, salinity & TDS measurement](https://unitestinst.com/articles/conductivity-salinity-tds-measurement/) - [Chlorine measurement in drinking water](https://unitestinst.com/articles/chlorine-measurement-drinking-water/) - [Industrial wastewater monitoring](https://unitestinst.com/articles/industrial-wastewater-monitoring/) - [Cooling tower water treatment monitoring](https://unitestinst.com/articles/cooling-tower-water-treatment-monitoring/) - [Water quality testing guide](https://unitestinst.com/articles/water-quality-testing-guide/) ## Knowledge Hub — Singapore Industry Guides - [Pharmaceutical cleanroom monitoring Singapore](https://unitestinst.com/articles/pharmaceutical-cleanroom-monitoring-singapore/) - [Cold chain monitoring Singapore](https://unitestinst.com/articles/cold-chain-monitoring-singapore/) - [Water treatment plant instrumentation Singapore](https://unitestinst.com/articles/water-treatment-plant-instrumentation-singapore/) - [Energy measurement & ESG Singapore Green Plan](https://unitestinst.com/articles/energy-measurement-esg-singapore-green-plan/) - [Marine & offshore test equipment Singapore](https://unitestinst.com/articles/marine-offshore-test-equipment-singapore/) - [Data centre monitoring Singapore](https://unitestinst.com/articles/data-centre-monitoring-singapore/) - [Construction electrical testing Singapore](https://unitestinst.com/articles/construction-electrical-testing-singapore/) - [Solar PV test equipment Singapore](https://unitestinst.com/articles/solar-pv-test-equipment-singapore/) - [Fire safety instrumentation Singapore SCDF](https://unitestinst.com/articles/fire-safety-instrumentation-singapore-scdf/) - [Manufacturing QA test equipment Singapore](https://unitestinst.com/articles/manufacturing-qa-test-equipment-singapore/) - [Sound level measurement Singapore](https://unitestinst.com/articles/sound-level-measurement-singapore/) - [Vibration measurement & machinery](https://unitestinst.com/articles/vibration-measurement-machinery/) ## Knowledge Hub — Buyer Guides & Comparisons - [Best digital multimeter Singapore 2026](https://unitestinst.com/articles/best-digital-multimeter-singapore-2026/) - [Fluke 87V vs 175 vs 179 comparison](https://unitestinst.com/articles/fluke-87v-vs-175-vs-179-comparison/) - [Best thermal imaging camera Singapore 2026](https://unitestinst.com/articles/best-thermal-imaging-camera-singapore-2026/) - [Insulation tester buying guide Singapore](https://unitestinst.com/articles/insulation-tester-buying-guide-singapore/) - [Best clamp meter Singapore 2026](https://unitestinst.com/articles/best-clamp-meter-singapore-2026/) - [Data logger buying guide Singapore](https://unitestinst.com/articles/data-logger-buying-guide-singapore/) - [Power quality analyser buying guide Singapore](https://unitestinst.com/articles/power-quality-analyser-buying-guide-singapore/) - [Temperature calibrator buying guide Singapore](https://unitestinst.com/articles/temperature-calibrator-buying-guide-singapore/) - [pH meter buying guide Singapore](https://unitestinst.com/articles/ph-meter-buying-guide-singapore/) - [Earth ground tester buying guide Singapore](https://unitestinst.com/articles/earth-ground-tester-buying-guide-singapore/) - [How to choose a digital multimeter](https://unitestinst.com/articles/how-to-choose-a-digital-multimeter/) - [How to choose a clamp meter for electrical work Singapore](https://unitestinst.com/articles/how-to-choose-clamp-meter-singapore-electrical-work/) - [Earth ground tester Singapore — how to choose and use safely](https://unitestinst.com/articles/earth-ground-tester-guide-singapore/) ## Knowledge Hub — Predictive Maintenance - [Predictive maintenance programme guide](https://unitestinst.com/articles/predictive-maintenance-programme-guide/) - [Thermal imaging for electrical panels](https://unitestinst.com/articles/thermal-imaging-electrical-panels/) - [Vibration analysis of rotating equipment](https://unitestinst.com/articles/vibration-analysis-rotating-equipment/) - [Motor testing & predictive maintenance](https://unitestinst.com/articles/motor-testing-predictive-maintenance/) - [Ultrasonic leak detection predictive](https://unitestinst.com/articles/ultrasonic-leak-detection-predictive/) - [Transformer testing & maintenance guide](https://unitestinst.com/articles/transformer-testing-maintenance-guide/) - [Pump monitoring & condition assessment](https://unitestinst.com/articles/pump-monitoring-condition-assessment/) - [HVAC preventive maintenance instruments](https://unitestinst.com/articles/hvac-preventive-maintenance-instruments/) - [Electrical thermography audit](https://unitestinst.com/articles/electrical-thermography-audit/) - [Oil analysis & machine condition monitoring](https://unitestinst.com/articles/oil-analysis-machine-condition-monitoring/) ## Knowledge Hub — Singapore Regulations & Compliance - [NEA environmental regulations monitoring](https://unitestinst.com/articles/nea-environmental-regulations-monitoring/) - [ISO 9001 calibration requirements](https://unitestinst.com/articles/iso-9001-calibration-requirements/) - [ISO 45001 workplace measurement](https://unitestinst.com/articles/iso-45001-workplace-measurement/) - [BizSAFE instrumentation requirements](https://unitestinst.com/articles/bizsafe-instrumentation-requirements/) - [GMP calibration Singapore pharma](https://unitestinst.com/articles/gmp-calibration-singapore-pharma/) - [PUB water quality monitoring standards](https://unitestinst.com/articles/pub-water-quality-monitoring-standards/) - [HACCP calibration food industry](https://unitestinst.com/articles/haccp-calibration-food-industry/) - [Building & construction safety testing](https://unitestinst.com/articles/building-construction-safety-testing/) - [Energy management measurement Singapore](https://unitestinst.com/articles/energy-management-measurement-singapore/) - [EIA environmental monitoring Singapore](https://unitestinst.com/articles/eia-environmental-monitoring-singapore/) ## Knowledge Hub — How-To Guides - [How to test insulation resistance](https://unitestinst.com/articles/how-to-test-insulation-resistance/) - [How to read a calibration certificate Singapore](https://unitestinst.com/articles/how-to-read-calibration-certificate-singapore/) - [How to conduct a thermal imaging survey](https://unitestinst.com/articles/how-to-conduct-thermal-imaging-survey/) - [How to measure power quality Singapore](https://unitestinst.com/articles/how-to-measure-power-quality-singapore/) - [How to prepare for SINGLAS calibration audit Singapore](https://unitestinst.com/articles/how-to-prepare-singlas-calibration-audit-singapore/) - [How to test earth ground resistance](https://unitestinst.com/articles/how-to-test-earth-ground-resistance/) - [How to use a clamp meter — three-phase](https://unitestinst.com/articles/how-to-use-clamp-meter-three-phase/) - [How to choose a humidity sensor Singapore](https://unitestinst.com/articles/how-to-choose-humidity-sensor-singapore/) - [How to calibrate a temperature sensor Singapore](https://unitestinst.com/articles/how-to-calibrate-temperature-sensor-singapore/) ## More - [All pages (XML sitemap)](https://unitestinst.com/sitemap.xml) - [Contact](https://unitestinst.com/contact/) - [About Unitest Instruments](https://unitestinst.com/about/)