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Datasheet Testo 745 (EN) | Instruction Manual Testo 745 (EN)
The heavy duty non-contact voltage tester Testo 745 is designed for rapid initial screening of de-energization and power breakdown sources. Unlike standard market indicators, it integrates a specialized low-pass filter for high-frequency interference signals to prevent false alerts. When electrical potentials are detected, it issues distinct visual and acoustic signals. Built with a robust housing rated for IP67 waterproof and dustproof compliance, it incorporates a two-stage sensitivity configuration and an integrated torch for safe field maintenance.
B2B Industrial Applications
- Phase Detection Diagnostics: Setting the device to Stage 1 sensitivity to isolate live phases on terminal strips before intervention.
- Voltage Indication Checks: Deploying Stage 2 tracking to confirm voltage presence or de-energization across wide power paths.
- Heavy Infrastructure Commissioning: Verifying system terminals under demanding environment constraints up to safety category CAT IV 1000 V.
Technical Specifications
| AC Voltage Measuring Range | 12 to 1000 V |
| Interference Filter | High-frequency attenuation filtering |
| Sensitivity Adaptation | Two-stage (Stage 1: Phase detection / Stage 2: Voltage indication) |
| Alarm Indicators | Visual LED indicator and acoustic buzzer |
| Enclosure Protection Class | IP67 (waterproof and dustproof) |
| Overvoltage Safety Category | CAT IV 1000 V |
| Compliance Standards | EN 61326-1, EN 61010-1 |
| Battery Type / Weight | 2x AAA micro batteries / 55 g |
| Dimensions | 155 x 25 x 23 mm |
Package Contents
- Testo 745 non-contact voltage tester
- 2x AAA micro batteries