Unitest Instruments
SAC-SINGLAS Accredited Laboratory
ISO/IEC 17025 · LA-2023-0845-C

Dedicated to Accuracy
in the Digital World

Singapore's SAC-SINGLAS accredited calibration laboratory. ISO-traceable certificates for electrical, temperature, humidity and pressure instruments — recognised by MOM, NEA, BCA, HSA and international bodies through ILAC MRA.

20+

Years Experience

ISO/IEC 17025

Accredited Standard

ILAC MRA

International Recognition

4

Calibration Disciplines

Certificates accepted by MOM · NEA · BCA · HSA · HPB · CAAS and internationally recognised via ILAC MRA

Calibration Parameters

Electrical Calibration

  • DC & AC Voltage
  • DC & AC Current
  • Resistance (2W & 4W)
  • Frequency
  • Capacitance
  • Inductance
  • Power & Energy

Temperature Calibration

  • Contact thermometers
  • IR & non-contact
  • Thermocouple indicators
  • RTD indicators
  • Thermocouples (T/C)
  • Thermal cameras (spot)

Humidity Calibration

  • Relative humidity sensors
  • Hygrometers
  • Dew point meters
  • Humidity/temp loggers
  • Humidity probes
  • Psychrometers

Pressure Calibration

  • Pressure gauges
  • Pressure transmitters
  • Manometers
  • Differential pressure
  • Vacuum gauges
  • Pressure calibrators

How It Works

01

Submit

Bring or courier your instrument to our lab at 18 Boon Lay Way #04-93 Tradehub 21. Include purchase order or calibration request form.

02

Inspect

We inspect the instrument for physical damage and verify it is functioning correctly before proceeding to calibration.

03

Calibrate

Calibration performed against certified reference standards traceable to SI units using our accredited procedures (LA-2023-0845-C).

04

Report

Calibration data reviewed and certificate generated with full measurement results, expanded uncertainties, and traceability chain.

05

Certificate

SAC-SINGLAS accredited calibration certificate issued and calibration sticker applied. Instrument returned to you.

Frequently Asked Questions

How long does calibration take?

Standard turnaround is 5–7 working days. Express service (2–3 working days) is available for most instruments at additional cost.

Are your certificates accepted by Singapore government agencies?

Yes. Our SAC-SINGLAS accredited certificates are accepted by MOM, NEA, BCA, HSA, and other Singapore government agencies. They are also internationally recognised through ILAC MRA.

Do you offer on-site calibration?

Yes, we offer on-site calibration for instruments that cannot be removed from service. Contact us at +65 6659 8878 to discuss your requirements and schedule.

What if my instrument is out of tolerance?

We will notify you before any adjustments are made. Where possible, we can adjust and re-calibrate on the same visit at no extra charge.

What accreditation number does Unitest hold?

Unitest Instruments Pte Ltd holds SAC-SINGLAS accreditation number LA-2023-0845-C under ISO/IEC 17025:2017, valid to 02 August 2027.

SAC-SINGLAS Accredited Laboratory

Ready to send your instruments?

Contact us for a calibration quotation or to arrange instrument drop-off. Standard turnaround from 5–7 working days; express from 2 days.