Free engineering tools
Built for test engineers.
Run in your browser.
Calculators, simulators, checklists. No account required for most tools — and every result stays on your machine.
Standard Decoder
Select a standard and method — get the exact chamber type, conditions, tolerances, and critical notes. Covers IEC 60068, JESD22, MIL-STD-810H, ICH Q1A, DO-160G.
Chamber Specification Builder
Answer 6 questions about your DUT, standard, and programme. Get a minimum chamber specification ready for RFQ — cooling capacity, workspace volume, humidity, and controller requirements.
Build my chamber specification →Loaded Ramp Rate Calculator
The ramp rate on a manufacturer's spec sheet is measured in an empty chamber. This calculator shows what you'll actually achieve with your DUT inside — using its thermal mass, your chamber's cooling capacity, and the ramp rate formula that should have been in the datasheet.
Calculate my loaded ramp rate →Environmental Chamber Simulator
8 chamber types, 10 test protocols, 8 specimen materials. Visualise temperature dynamics, thermal lag, humidity distribution, and stress accumulation in real time — before you write the test plan.
Open the 3D simulator →Plant Growth Chamber Configurator
Configure photoperiod, PAR intensity, temperature, humidity, and CO₂ for any growth protocol. Visualise the full 24-hour cycle and export a formatted protocol summary.
Configure my growth protocol →Test Plan Pre-Flight Checklist
23 items across the six sections every environmental test plan needs before it reaches a customer or an auditor. Fill it in online, add your project details and notes, and download a signed PDF to attach to the plan itself.
Check my test plan →Reach-In vs. Walk-In: Buying Roadmap
Usage profile, acquisition budget, annual operating cost, and ROI at 2, 3, and 5 years — compared against renting at your utilisation level. Four interactive steps from "what am I testing" to "should I buy or continue renting".
Run my buying roadmap →In development
Temperature Cycling Profile Builder
Build and validate a complete cycling profile. Check dwell adequacy, estimate test duration, and calculate Coffin-Manson fatigue accumulation per cycle.
Chamber Installation Checklist
Commissioning checklist for electrical supply, clearances, IQ/OQ, and first calibration — the items that cost most when missed on day one.
HALT Test Day Checklist
Pre-step checklist for HALT practitioners: instrument confirmation, FOL/DOL recording protocol, and criteria for stopping before you reach the DOL.