Description
Onicon F3500 Insertion Electromagnetic Flow Meter are suitable for measuring electrically conductive liquids in a wide variety of applications. Each F-3500 provides a single analog output for flow rate, a high-resolution frequency output to drive peripheral devices, scalable pulse output for totalization, and an empty pipe alarm signal. Two versions of the F-3500 are now available.
The standard configuration F-3500 is suitable for pipe sizes ranging from 3” to 72” in diameter. The small pipe configuration F-3500 is suitable for pipes ranging in size from 1¼” to 2½” in diameter. Optional remote displays and BTU measurement systems are also available for both versions.
Onicon F3500 Insertion Electromagnetic Application
- Accurate, reliable flow measurement for HVAC applications
- Ideal for monitoring open-loop condenser water flow
- Hot tap design simplifies domestic water retrofit installations
- The cost-effective way to monitor flow in larger pipe sizes
- Suitable for use in water and water/glycol systems
Specification
| Accuracy | ±1.0% of reading from 2 – 20 ft/s | |
| ± 0.02 ft/s below 2 ft/s | ||
| Flow Range | 0.1 ft/s to 20 ft/s (200:1 turndown) | |
| Sensor Method | Electromagnetic sensor (no moving parts) | |
| Pipe Size Range | Standard Configuration: | 3- 72” nominal diameter |
| Small Pipe Configuration: | 1¼ – 2½” nominal diameter | |
| Input Power | 20 – 28 VDC, 250 mA at 24 VDC | |
| 20 – 28 VAC, 60 Hz, 6 VA | ||
| Temperature Range | 15°F to 250°F | |
| Ambient Temperature Range | -20°F to 150°F | |
| Operating Pressure | 400 psi maximum | |
| Pressure Drop | Standard Configuration: | 0.1 psi at 12 ft/s in 3” pipe, decreasing as line size increases |
| Small Pipe Configuration: | 0.33 psi at 8 ft/s in 1.25” pipe, decreasing as the line size increases | |
| Output Signal Provided | Analog Output (Isolated) | Selectable: 4-20 mA, 0-10 V or 0-5 V |
| Frequency Output | 0-15 V peak pulse, 0-500 Hz | |
| Scalable Pulse Output | Isolated solid-state dry contact Contact rating: 50 VDC, 100 mA maximum Pulse duration: 0.5, 1, 2 or 6 second | |
| Material | Wetted metal components: | 316 Stainless Steel |
| Sensor head: | XAREC | |
| Optional: | NSF/ANSI 61/372 version | |
| Electronics Enclosure | Weathertight NEMA 4 aluminum enclosure | |
| Electrical Connections | 10’ of PVC jacketed cable with ½” NPT conduit connection Dedicated earth wire required 4-wire minimum for power and analog output Additional wires required for pulse, frequency and alarm outputs | |
Onicon F3500 Insertion Electromagnetic Ordering Information
Meter Model Number Coding= F-35AA-BB-CC-DEFG(-SPC)
F-35
AA = Insertion Electromagnetic Flow Meter
- 00 = Insertion electromagnetic flowmeter
BB = Outputs
- 11 = Frequency, isolated analog, scaled pulse and alarm (dry contacts)
- 12 = Frequency, isolated analog, bi-directional, scaled pulse and alarm (dry contacts)*
CC = Pipe Size Range and Meter Length
- A1 = 1.25 – 2.5” (F-3500 Small Pipe)
- C3 = 3.0 – 10.0”
- D4 = 3.0 – 16.0”
- E5 = 3.0 – 22.0”
- F6 = 3.0 – 72”
D = Process Connection
- 1 = 1” NPT adapter. ⅜” stem
E = Wetted Material
- 1 = 316 SS, XAREC, Viton, Temp < 150°F
- 2 = 316 SS, XAREC, FKM, Temp ≤ 250°F
- 3 = 316 SS, XAREC, EPDM, NSF rated for domestic water
F = Electronics Enclosure
- 1 = NEMA 4 weathertight enclosure
G = Wiring Connection
- 1 = 10’ PVC jacketed cable, pigtail with ½” conduit adapter
SPC = Special Configuration
*For 3” and larger pipes
Source : www.onicon.com
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