Lux Meter Pros vs PLC Pro

The only lux meter app with BS 5266 emergency lighting compliance, PDF certificates, logbooks, and minor works reports — built for UK electricians, inspectors, and facility managers. Turn your iPhone into a professional light testing toolkit. Measure lux levels, run 1-hour and 3-hour discharge tests, generate fire alarm certificates, and export everything as PDF — no additional hardware needed. REAL-TIME LUX MEASUREMENT Instant illuminance readings using your iPhone's built-in sensor. Accurate enough for site surveys, workplace assessments, and lighting design verification. PHOTO-BASED LIGHT READINGS Capture photos alongside each reading for site documentation. Perfect for audit trails and client reports. ROOM GRID MAPPING Build light heatmaps across any space. Identify dark spots, verify uniformity, and pinpoint where lighting falls below safe levels. EMERGENCY LIGHT TESTING (Pro) Run timed 1-hour and 3-hour discharge tests to BS 5266 standards. Monitor compliance levels throughout the test and record results automatically. CERTIFICATE GENERATION (Pro) Generate professional-grade documents on site, ready to hand over or email: — Emergency Lighting Periodic Test Certificate — Emergency Lighting Logbook — Minor Electrical Works Certificate — Fire Alarm Certificate EXPORTABLE REPORTS Save all lux data and compliance reports as PDFs or CSVs. Attach photos, timestamps, and location references. HISTORICAL TRACKING Compare readings over time for any location. Track whether lighting conditions have changed between inspections. BUILT FOR PROFESSIONALS — Electricians and lighting contractors — Facility and building managers — Fire safety and compliance officers — Architects and interior designers — Health and safety inspectors SUBSCRIPTION PLANS Weekly Lux Pass – £0.99/week Monthly Lux Pass – £2.99/month Yearly Lux Pass – £24.99/year Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID account settings. Payment is charged to your Apple ID account at confirmation of purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://luxmeterpro.com/private-policy Support: https://luxmeterpro.com/contact-us

PLC Pro is the essential professional calculator designed specifically for instrumentation engineers, technicians, and control systems specialists. Streamline your fieldwork with precise tools for signal calibration, alarm configuration, and PLC/DCS integrations—all in one powerful, pocket-sized app. Key Features: • Multi-Signal Support – Effortlessly handle 4-20mA, 0-20mA, or 0-10V signals • 5-Point Signal Check – Generate instant calibration checkpoints at 0%, 25%, 50%, 75%, and 100% • Raw Count Conversion – Seamlessly convert between ADC/DAC counts and engineering units for any PLC or DCS system • Alarm Setpoint Calculator – Compute low/high pre-trip and trip values with deadband resets • Deviation Alarms – Apply deviation percentages and view values across all checkpoints • Square Root Extraction – Built-in calculations for flow transmitters • Save & Organize – Store unlimited calculations for fast field reference • Fault Detection Reference – Integrated NAMUR NE43 guidelines for reliable signal diagnostics Ideal For: Instrument technicians • Control systems engineers • PLC/DCS programmers • Process engineers • Maintenance professionals • Automation specialists Elevate your instrumentation workflow with PLC Pro—accuracy and efficiency at your fingertips.