Per the manual: Hold the probe in the air, away from metal. Go to Settings > Calibration > Air Calibration . Confirm. Fail to do this daily, and your cover depths will be off by 2-3 mm.
The is a legacy rebar detection and cover measurement system. Based on standard operating procedures for this generation of Proceq equipment, a professional report should follow a structured format to ensure technical accuracy and compliance with standards such as BS 1881-204 or DIN 1045 . Section 1: Project Overview proceq profometer 4 manual
| Problem | Likely cause | Action | |---------|--------------|--------| | No signal / unstable | Probe not flat or moving too fast | Slow down, keep probe flush | | Wrong cover reading | Wrong bar diameter selected | Adjust in settings | | Battery drains fast | Old battery or cold environment | Recharge; warm up unit | | Frequent “Metal too close” | Nearby reinforcement or steel formwork | Move to clear area for calibration | Per the manual: Hold the probe in the air, away from metal
The connection between the search head and the unit is the most common point of failure. Avoid tight kinks or pulling on the wire. Fail to do this daily, and your cover