PL200G - Uncategorized Global Water - Free user manual and instructions
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| Product Type | Submersible Pressure Level Transducer |
| Brand | Global Water |
| Model | PL200G (Gauge Reference) |
| Measurement Range | 0-30 PSI (Approx. 21 m Water Head) |
| Accuracy | ±0.25% Full Scale |
| Output Signal | 4-20 mA Loop-Powered |
| Supply Voltage | 10-36 VDC |
| Body Material | 316 Stainless Steel |
| Cable Material | Polyurethane, Ventilated Shield |
| Standard Cable Length | 10 m (33 ft) |
| Diameter | 0.75 inch (19 mm) |
| Length | 4.5 inches (115 mm) |
| Weight | 0.6 lbs (270 g) |
| IP Rating | IP68 (Submersible to 100 m) |
| Operating Temperature | -20°C to 60°C |
| Overpressure Limit | 2x Rated Range |
| Installation | Vertical Submersion, Weighted Base Recommended |
| Maintenance | Rinse with Fresh Water, Dry, Inspect Cable |
| Safety | Do Not Exceed Rated Pressure, Keep Vent Tube Open |
| Spare Parts | Replacement Cables, O-rings, Vent Tubes Available |
| Repair | Field-Repairable Modular Design |
| General Information | Compatible with Most Data Loggers and Transmitters |
Frequently Asked Questions - PL200G Global Water
How should I install the PL200G pressure level transducer?
Install the sensor in a still well or protective tube to minimize turbulence. Submerge it vertically, avoiding contact with sludge or debris. Secure the cable with clamps and ensure the vent tube remains open to the atmosphere. Do not suspend the unit by its cable alone.
How do I calibrate the PL200G?
Calibration requires a known reference pressure. Use the zero adjustment at zero pressure (sensor dry) and span adjustment at full scale. Connect a precision current meter to the 4-20 mA loop. Follow the gear's manual for specific trimmer locations.
What is the output signal of the PL200G?
The PL200G provides a standard 4-20 mA two-wire loop signal, proportional to the measured water level. The loop is powered externally; the current varies linearly between 4 mA at zero level and 20 mA at full scale.
How do I connect the sensor to a data logger or PLC?
Connect the positive supply to the red wire, the signal return to the black wire, and the shield to earth. For a 4-20 mA loop, insert a 250 Ω resistor between the black wire and ground, then measure the voltage (1-5 V) across it with a logger.
Can I lengthen or shorten the cable?
The cable is vented through the shield for gauge measurement. Shortening is possible, but lengthening should be done by an authorized technician to maintain the vent path and signal integrity. Use an IP68 splice kit for submersible connections.
How often should the sensor be cleaned and maintained?
Inspect the sensor monthly and clean it after exposure to dirty water. Rinse with fresh water and mild detergent, then dry with a soft cloth. Check the vent tube for moisture or blockages. Re-calibrate annually or after any impact.
What is the maximum submersion depth for the PL200G?
With a 0-30 psi range, the maximum depth is approximately 21 meters of fresh water. The IP68 rating allows continuous submersion, but the polyurethane cable also has a tensile limit. Avoid exceeding the pressure rating.
Why does my sensor show unstable readings?
Possible causes include electrical interference, a loose connection, moisture in the vent tube, or air bubbles trapped against the diaphragm. Check the shield grounding, clear the vent tube, and ensure the sensor is not near pump turbulence.
What is the temperature range and can it compensate for temperature?
The sensor operates from -20°C to 60°C. The pressure sensing element is temperature compensated over the full range, but the output is not user-adjustable. For accurate readings, the reference pressure must remain liquid-free.
Where can I find replacement parts for the PL200G?
Replacement parts such as cables, O-rings, and vent tubes are available from Global Water distributors. Contact official support with the serial number to order. The sensor is designed for reparability, and most parts can be field-replaced.
User questions about PL200G Global Water
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USER MANUAL PL200G Global Water
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Product information
Brand : Global Water
Model : PL200G
Category : Uncategorized