Three or Free Calibration
Calibration in 3 days.
Or you don't pay.
Fast, reliable calibration with a guaranteed 3-day turnaround. Included as standard at no extra charge.
We're confident in our process.
So confident that if we can't deliver in 3 days, you don't pay.
Calibration in 3 days.
Or you don't pay.
Fast, reliable calibration with a guaranteed 3-day turnaround. Included as standard at no extra charge.
How the 3-or-free guarantee works.
We process your equipment as soon as it arrives. Once checked in, the 3-day clock starts. If we miss the deadline, your calibration is free - no questions asked.
Day 1
Equipment received & checked in.
Day 2
Calibration completed.
Day 3
Dispatched back to you.
25+
calibration engineers
80k
calibrations performed per year
30+
years calibration experience
ISO 9001
quality assured since 1992
Included as standard.
No extra fees.
The guarantee applies to all eligible standard calibrations. No premium service tiers. No added costs. Just fast, dependable turnaround.
Standard calibration
All routine calibration work carried out by our trained technicians using certified equipment.
3-day turnaround
We process, calibrate, and dispatch your equipment within three working days from check-in.
Free if we miss it
If we fail to meet the 3-day window, the calibration cost is automatically waived.
Coverage at a glance
We can calibrate all standard instruments under the guarantee, with the only exceptions being specialist items that need external or manufacturer service.
Eligibility
- Standard calibration items
- Equipment booked in with correct paperwork
- Valid PO or payment info supplied
Exclusions
- Repairs requiring parts
- Highly specialised or non-standard equipment
- Delays caused by incomplete information
Which products are eligible in 3 or free?
Electrical
-
Multimeter
-
Clamp Meter
-
Multifunction Tester
-
Loop Tester
-
Insulation Continuity Tester
-
Cable Fault Locator
-
Cable Identifier
-
Phase Comparator
-
Electrical Tester
-
Proving Unit
-
Pathfinder
-
Phase Rotation Meter
-
Insulated Pole
-
HV Insulation Tester 5,10,15 KV
-
Low Resistance Ohmeter
-
Microhmeter
-
Cable Height Meter
-
Earth Tester
-
Resistance Box
-
Check Meter
-
Partial Discharge Meter
-
Power Quality Analyser
-
Cable Test Set
-
Relay Test Set
-
Current Injection Test Set
-
Battery Ground Fault Tracer
-
Protection Test Set
-
Circuit Breaker Tester
-
Capacitance Meter
-
Switchgear Analyser
-
Function Generator
-
Scopemeter
-
Oscilloscope
-
Power Supply
-
Turn Ratio Meter
-
HV Test Set
-
HV Indicator
-
HV Detector
-
Cross Arm Leakage Tester
-
Live Line Tester
-
AC/DC Test Set
-
Kilovolt Meter
-
EZ Thump
PAT
- PAT Tester
Please note: Not all models are included in the 3 or free guarantee (call 01782 959022 for details)
Gas
Anton Sprint Pro (excl. Anton Sprint Pro 4, 5 & 6)
Anton Evo
TPI DC710
TPI 709R
TPI 712R
TPI 716R
TPI 717R
Testo 327-1
Testo 310
Testo 330-2
Testo 320
Testo 300
Gas Leak Detector
Gas Refilling Device
Pressure
-
Pressure Calibrator
-
Manometer
-
Pressure Indicator
-
Pressure Gauge
-
Pressure Module
-
Pressure Test Set
-
Pressure Meter
-
Barometer
Environmental
-
PH Meter
-
Conductivity Meter
-
Light Meter
-
Solar Meter
-
Humidity Probe
-
Sound Meter
-
Laser Distance Meter
-
Moisture Test Set
-
Data Logger
Thermal
-
Thermal Camera
-
Temperature Probe
-
Temperature Calibrator
CAT & Genny
-
CAT and Genny
-
Cable Sniffer
-
Transmitter and Receiver
Powering precision for thousands of professionals across the UK
Speedy calibration
Hassle-free
Accredited calibration
Experienced specialists
Nationwide service area
Minimised downtime
Trusted by leading brands to deliver top quality calibration
With over 20 years’ experience, Test4Less provides professional calibration services for equipment for the industry’s top manufacturers. From multimeters to gas analysers, we ensure your instruments are performing accurately and reliably. Our team works with brands such as Megger, Fluke, Testo, FLIR, and more – giving you confidence that your tools are in safe hands.
