INTRODUCTION Thank you for purchasing a PT-503 Series Submersible Pressure Transmitter from APG. We appreciate your business! Please take a few minutes to familiarize yourself with your PT-503 and this manual. The PT-503 Series Submersible Level Sensor brings precision level measurement to harsh chemical environments.
WARRANTY AND WARRANTY RESTRICTIONS This product is covered by APG’s warranty to be free from defects in material and workmanship under normal use and service of the product for 24 months. For a full explanation of our Warranty, please visit https://www.apgsensors.com/resources/warranty-certifications/warranty-returns/.
Electrical Pinout and Supply Power Tables PT-503 Series Pin Out Table 4-20 mA 0.5 – 4.5 VDC + Power/Signal + Power Black – Power/Signal Common Yellow + Out PT-503 Series Supply Power Table 4-20 mA 0.5 – 4.5 VDC Power Supply 9-30 VDC 4.5 –...
Tools necessary to make electrical connection. Mounting Instructions Your PT-503 Series Submersible Pressure Transmitter is designed to be free-hanging. It can safely lay on the bottom of the tank or pool. If your tank contains sediment, it is recommended to suspend the PT-503 just above the sediment layer.
Store your sensor in a dry place, at a temperature between -40° F and 180° F. CHAPTER 3: MAINTENANCE General Care Your PT-503 Series Submersible Pressure Transmitter is very low maintenance and will need little care as long as it is installed correctly. However, in general, you should: •...
Condensation in the vent tube can damage the electronics in your sensor, resulting in unreliable readings. APG offers two methods of preventing vent tube condensation: a venting cap, and a desiccant drying cartridge. By default, the PT-503 comes with a venting cap pre-installed.
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Automation Products Group, Inc. Tel: 1 (888) 525-7300 or 1 (435) 753-7300 e-mail: sales@apgsensors.com www.apgsensors.com Automation Products Group, Inc. 1025 W. 1700 N. Logan, UT 84321...
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