TMP DVR II vs TrafoCalc

TMP APP for 4K DVR, via WLAN connection, then browse, manage, capture images, download videos and emergency video files. The APP contains a complete owner's manual. 2. The APP cannot connect to the network when connecting through Wi Fi. The downloaded image from the app is the original lens image. 4. The app can set the video resolution: 4K, 2K, 1080P (default). 5. APP recording time can be set: 1 minute (default), 2 minutes, and 3 minutes. 6. APP collision sensitivity adjustment: high , medium(default) and low. It is recommended to format the memory and change the WI-FI password for the first time.

TrafoCalc is a practical transformer calculation tool built specifically for field engineers, commissioning teams, and utility professionals. Designed for real-world use at substations and test sites, TrafoCalc provides fast, reliable calculations without spreadsheets or manual formulas. Key Features • Rated current calculation (HV & LV, 3-phase) • Transformer ratio calculation based on vector group • Full tap-changer support (Tap 1 = highest voltage) • Per-tap voltage and ratio calculation • ±0.5% ratio tolerance range for testing reference • Short-circuit current calculation • Supports common IEC vector groups (Dyn, YNd, Yy) • Clean, offline-ready interface Built for Professionals TrafoCalc follows IEC-based formulas and is suitable for: • Factory Acceptance Tests (FAT) • Site Acceptance Tests (SAT) • OLTC verification • Ratio testing reference • Substation commissioning No ads. No clutter. Just the calculations engineers actually need.