GE DigitalFlow DF868, Руководство для стартапов

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DigitalFlow™ Multipurpose Ultrasonic Liquid Flowmeter Startup Guide (1- and 2-Channel) 39
Chapter 4. Specifications
Chapter 4. Specifications
4.1 General Specifications
The general specifications for the Model DF868 flowmeter are divided into the following categories:
4.1.1 Hardware Configuration
4.1.1a Package Options:
Epoxy-coated aluminum (standard), Stainless steel, Fiberglass, Explosion-proof
4.1.1b Physical:
Size: 14.24

11.4

5.12 in. (36.2

29

13 cm)
Weight: 11 lb (5 kg)
4.1.2 Environmental
4.1.2a Operating Temperature:
–4° to 131°F (–20° to 55°C)
4.1.2b Storage Temperature:
–67° to 167°F (–55° to 75°C)
4.1.3 Flow Accuracy (Velocity)
±0.5% of reading achievable with process calibration
4.1.3a Typical Clamp-On Flow Accuracy (Velocity)
Pipe Diameter (ID) > 6 in. (150 mm): ±1% to 2% of reading
Pipe Diameter (ID) < 6 in. (150 mm):
±2 to 5% of reading
4.1.3b Typical Wetted Flow Accuracy:

of reading
Note:
Accuracy depends on pipe size, installation and whether measurement is one-path or two-path.