Thank you for purchasing this C.A 852 digital pressure gauge. For best results from your instrument: read these operating instructions carefully, comply with the precautions for use. WARNING, risk of DANGER! The operator must refer to these instructions whenever this danger symbol appears.
GUARANTEE Our guarantee is applicable, unless otherwise stated, for twelve months following the date of supply of the equipment (extract from our General Sales Conditions, available on request). 1. PRESENTATION The CA 852 pressure gauge is ideal for measuring pressure levels in air-conditioning installations, medical equipment and pneumatic control systems.
3. DESCRIPTION OF THE INSTRUMENT Main screen indicating the pressure measurement in the unit selected “ – ” indicates a negative pressure maximum or minimum pressure recorded Indicates that the monitoring mode has started Secondary screen indicating the time since the start of monitoring mode Indicates the pressure unit selected Low battery indicator Indicates that differential pressure mode has been activated...
4. OPERATION OF THE INSTRUMENT 4.1. «MONITORING» MODE When you press the «REC» button, you access the «monitoring» mode. Before going into this mode, select the unit of pressure, as you will not be able to change it once you are in monitoring mode.
Record the calibration point by pressing the “REC” button. “SA” appears on the screen after 2 seconds. The pressure gauge then switches automatically to adjustment of the negative pressure. Follow the same calibration procedure for the negative pressure. ...
5. GENERAL SPECIFICATIONS Measuring range: 0 to ± 2 psi Maximum pressure: 20 psi Resolution: 0.004 psi (see attachment 1 for the other measurement units) Accuracy: ± 0.3 % full scale Response time: 0.5 s Display: 4-digit LCD screen Climatic environment: Use: Temperature: 0 to 50 °C (32 à...