This is a manual about the testo 312-4 pressure meter, including safety and usage instructions, product specifications, product description, first time use, usage methods, maintenance and error messages.
This manual provides detailed instructions for using the Testo 312-4 pressure meter, including safety precautions, technical specifications, setup, measurement procedures, and maintenance. It also covers error messages, accessories, and compatible software. The device is designed for use in heating installations to test gas and water pipelines, measure leakage, and monitor pressure.
The manual includes sections on how to perform zero calibration, store readings, print results, and use optional sensors and accessories. Technical specifications detail measurement ranges, accuracy, temperature limits, and battery life. Safety guidelines emphasize proper handling and disposal of the device and its components. This manual is written in Spanish.
| Measurement Range | 0 to 200 hPa |
|---|---|
| Leak Detection | 0.3% pressure drop in 1 minute |
| Operating Temperature | 0 to 50 °C |
| Storage Temperature | -20 to 70 °C |
| Battery Type | 9 V block (6LR61) alkaline manganese |
| Weight | Approx. 600 g |
| Dimensions | 219 x 68 x 50 mm |
| Data Storage | Approx. 25,000 readings |
Reduce the differential pressure until it falls within the allowed range for zeroing.
The device may have been reset or left without power for a long time; there is no recovery option.
Approximately 30 hours with alkaline manganese batteries at 25°C.