Perform airtightness tests by connecting to a DG-1000 or DG-700 pressure gauge. Collect and store data from the gauge and flow device. Enter building and customer details manually. Calculate and display results in a PDF report.
by The Energy Conservatory★ 4.54 ratingsBusinessFreeData updated 2026-09-11
Securely connect to private networks with and stable internet access. Choose from multiple server locations for global coverage. Encrypt data and protect privacy while browsing or using public Wi-Fi.
Study for the PHR exam with 300+ realistic questions, smart flashcards, and real-time pass-rate prediction. Track progress, identify weak areas, and optimize study time based on exam objectives.
Turn your iPhone into a , angle gauge, and measuring . Check if surfaces are or plumb. Get real-time tilt readings in degrees. Calibrate to align with objects. distances using the device's sensors.
Fan Law Calculator allows users to input rpm, cfm, static pressure, and horsepower. Modifying one value recalculates the others. Ductulator helps size HVAC ducts by inputting shape, dimensions, air temperature, elevation, and roughness.
The app calculates the smallest Thermaflex duct size for HVAC installations. Users input project volume and friction loss to determine system velocity and the appropriate duct size.
Test internet with one-tap measurements for download, upload, and delay. Access servers in 1000+ cities worldwide. Save and view test history. Compare results across cellular and WiFi networks.
Share insights, connect with communities, drive decisions
Answer: Share insights on cultural trends and receive rewards for completing surveys. Access real-time data and analytics. Connect with diverse communities to inform decision-making. Track survey progress and view results.
Search and connect to compatible printers via Wi-Fi. documents, photos, webpages, and notes directly from your device. Support multiple models from various manufacturers. Share and saved files or web content with one tap. Manage settings and queue.
Calculate rates of hydrants and assess maximum water system using the Hazen-Williams formula. Input pipe diameter, length, and pressure to determine . Results displayed in imperial units.
Allows users to download and edit images with cropping, rotating, filtering, and sticker addition. It enables private browsing via a simplified VPN connection. Users can generate barcodes and QR codes.
Create legends with customizable color labels for phases, tandem breakers, and 3-pole breakers. Adjust legend size for printing on sleeves or door tape. Export as needed.
Create and edit electronic music with a sequencer, synthesizer, and sampler. Record samples via microphone or re-sample existing audio. Use 8 channels with 8 patterns each for rhythm and melody. Automate parameters and export projects as WAV files.
Monitor real-time internet speed and track data usage. Scan for connected devices and identify all networked equipment. Analyze WiFi performance and check connection quality. Perform IP scans to locate devices on your network.