7341 Calibration Bath User Manual, introduces the product features and characteristics, such as technical specifications and environmental conditions, quick guide, installation, use of temperature bath, parts and controls, general operation, controller operation, etc.
The Hart Scientific 7341 is a calibrated temperature bath used for laboratory testing and measurement. This manual introduces the instrument, its key features, and the intended applications.
The document covers safety warnings, installation of the anti‑tilt bracket, connection of power and communication interfaces, operation of the controller, calibration methods, refrigerant handling, and detailed troubleshooting steps for common issues such as temperature instability and irregular heating. This manual is written in Chinese.
Because the proportional band is set too narrow; increasing the proportional band width stabilizes the temperature.
Inspect for intermittent short circuits in the heater or controller electronics and verify that the probe is not damaged or poorly connected.
Use the provided shielded RS‑232 cable; the instrument complies with IEC 61326‑1 for EMC requirements.
It has been tested to meet the European EMC Directive (89/336/EEC) and the Low Voltage Directive (73/23/EEC).