ST502 Ultrasonic Energy Meter for District Cooling Systems
Model ST501

Overview
ST502 Ultrasonic Energy Meter for District Cooling Systems supplied by Flo-Instruments Co., Ltd. Listed under Flow Meters. Key published specifications: Pipe Size DN25-DN1200; Velocity Range 0.03 ~±16ft/s (0.01~±5m/s); Power Supply 24V DC; Transducers Operating Temperature: 32℉ ~ +140℉ (0℃~+60℃). Contact the supplier through the RFQ form for pricing, lead time and full datasheets.
Technical specifications
| Pipe Size | DN25-DN1200 |
|---|---|
| Velocity Range | 0.03 ~±16ft/s (0.01~±5m/s) |
| Power Supply | 24V DC |
| Transducers | Operating Temperature: 32℉ ~ +140℉ (0℃~+60℃) |
| Display | 20*2, Alphanumeric, Backlit LCD |
| Transmitter Enclosure | IP65, Die-cast Aluminum Machined Enclosure, CNC Machined |
| Communication | RS485 |
| Keypad | 16 Light Tactile Keys |
| Repeatability | 0.3% of measured value |
| Communication & Outputs | Communication: ModBus RS485 |
| Time Unit | /Day/Hour, /Min, /Sec. |
| Temperature | Transmitter: 32℉~140℉ (0℃~60℃) |
| Humidity | Up to 99% RH, non-condensing |
| Transmitter | Aluminum alloy, IP65. |
| Transducer | Encapsulated design, IP68. |
| Weight | Transmitter: approximately 0.7kg; Transducer: approximately 0.4kg |
| Certification | CE; ISO9001 |
| Standard cable length | 33ft (10m). |
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