Dynasonics 902_903 Series Portable Doppler Ultrasonic Flow Meter - Manual (Page 10)

Rev. 10/08
- 8 - D902/3
PART 1 - SPECIFICATIONS
TRANSMITTER
DESCRIPTION SPECIFICATION
Power Requirements
Internal Lead Acid Gel Cell battery provides 8 hours of continuous operation. AC charging:
(Std) 115/230 VAC 50/60 Hz ±10%. (Opt) 100/200 VAC 50/60 Hz ±10%. (Opt) 12 VDC.
Flow Range 0.5 to 20 FPS (0.15 to 6 MPS)
Outputs 4-20 mA, 600 Ohms max. isolated
Indicators Power, Signal Strength, Flow Analyzer, Read Fault, Overrange, Charging and Low Battery
Display
2 line × 20 character alphanumeric LCD (backlit).
Digit height 0.2 inches (5 mm), 6 digit rate, 6 digit totalizer (resettable)
Units User configured
Rate U.S. (Metric) FPS, GPM, MGD (MPS, LPM, M 3 /hr)
Totalizer U.S. (Metric) Gallons (liters, M 3 )
Ambient Conditions -20 to +160 ° F (-30 to +70 ° C), 0-95% relative humidity, non-condensing
Enclosure NEMA 4, (IP-65) ABS with SS hardware. 11W × 17L × 8D inches (279W × 432L × 203D mm)
Accuracy ±2% Full Scale
Sensitivity 0.4% of Full Scale
Repeatability ±0.4% of Full Scale
Response Time 5-50 seconds, user configured, to 90% of value, step change in flow
DESCRIPTION SPECIFICATION
Liquid Requirements 25 ppm of 30 micron size suspended solids or entrained gases.
Transducer Cable (Std) 20 feet (6 m), retractable cord.
Housing Material
Standard Clamp-On: NEMA 6P (IP-68) - 40 °F to +210 °F (- 40 °C to +100 °C)
CPVC, Ultem
® , Nylon, PVC (Cable Jacket), Aluminum (small pipe)
High Temp Clamp-On: NEMA 4 (IP-65) - 40 °F to +400 °F (- 40 °C to +200 °C)
Vespel
® , Anodized Aluminum, Nickel-plated brass, Teflon ® (Cable Jacket)
TRANSDUCERS
Pipe Sizes
(Std) 1 inch (25 mm) and above
(Small pipe) 1/4 to 1 inch (6 to 25 mm)