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DF Rotating Vane Flowmeter
Brand: KOBOLD Instruments, Inc
The established vane technology has proven itself a million times worldwide for measuring and monitoring the flow of different mediums in pipelines. KOBOLD flow meters/ monitors work with this proven principle and offer many benefits.
The heart of the new KOBOLD vane is an embedded ring magnet; it is hermetically sealed from the flow medium.
It transfers, in a non-contacting manner, the rotary motion of the vane to a Hall sensor attached to the case (in order to save space). This converts the rotary motion to a frequency signal that is proportional to the flow rate.
The downstream KOBOLD evaluating electronics can output this signal to a display, convert it to (0(4)-20 mA, 0-10 V) Analog signal, or count it. It may also be used to switch with up to two limit contacts. The ready and control states of the limit value relay are indicated by LEDs.
The modular design of KOBOLD flow monitors and measuring instruments is a system that can be universally applied; it is reasonably priced; and requires minimum space when in service. Very precise measurement results can be achieved, under tough operating conditions along with the KOBOLD electronics.
The system is assembled with the electronics and delivered ready for service. The electronics are adjusted and tuned for use with the sensor. When retrofitted for other measuring ranges, the system may be re-adjusted with a similar device at any time.
Specifications
Brand
Accuracy
- ± 2.5 % of Full Scale
Ambient Temperature Range
- -25° to 80° C (-13° to 176° F)
Applications
- Measured Value Indication
Axle Material
- Ceramic
- Stainless Steel
Bearing Material
- PTFE
BSP Connection
- G 1” Female
- G 1/2” Female
- G 1/4” Female
- G 1/8” Female
- G 1-1/2” Female
- G 1-1/4” Female
- G 3/4” Female
- G 3/8” Female
Cable Length
- 5 feet (1.5 metres)
Connection Material
- Brass Nickel--Plated
- Polypropylene
- Stainless Steel
Consumption
- 100 mA Approximately - Current Consumption
Cover Material
- Brass Nickel--Plated
- Polypropylene
- Polysulfone
- Stainless Steel
- Trogamide
Display
- 2 x 8-Digit LCD Display
Electrical Connectors
- 10-Wire Cable Connection
- Changeover Contact - Output
- DIN Connection
Environmental Protection
- IP65
Flange Size - 1-1/2” (DN 40)
- 1-1/2” (DN 40) - PN 40
Flange Size - 1” (DN 25)
- 1” (DN 25) - PN 40
Flange Size - 1/2” (DN 15)
- 1/2” (DN 15) - PN 40
Flange Size - 2” (DN 50)
- 2” (DN 50) - PN 40
Flow Rate
- 0.08-160 L/minute for Water
Function
- Correction Amount
- Fine Dosing
- Flow Monitor
- Language
- Minimum/Max.imum
- Monitoring for Part
- Password Protection
- Reset
- Start
- Stop
- Total Quantity
Indication
- Red LED - Switching Status
Input Power
- 3.5 W, Max.
Loop Resistance
- > 100 kiloohms - Load Analog Output
- ≤ 100 Milliohms - Contact Resistance
- 0 to 500 ohms - Analog Output
Materials of Construction
- Brass - Locking Pins
- POM - Vane
- PTFE - Screen Material, Vane
Maximum System Pressure
- psi: 1,450 (kPa: 10,000, bar: 100)
Nominal Pressure
- psi: 580.2 (bar: 40, kPa: 4,000)
NPT Connection
- 1” NPT Female
- 1/2” NPT Female
- 1/4” NPT Female
- 1/8” NPT Female
- 1-1/2” NPT Female
- 1-1/4” NPT Female
- 3/4” NPT Female
- 3/8” NPT Female
O-Ring Material
- FPM
- NBR
Output
- 0-10 Vdc - Analog Output
- 0-20 mA Selectable - Analog Output
- 15 mA - Max.
- 2 A, Max.
- 2.5 mW, Max.
- 250 V
- 30 V, Max.
- 4-20 mA Selectable - Analog Output
- 5 A
Output Format
- Relay Output - 2 Relay: Switching Output
Power Requirement
- 110 Vac ± 20 % - Power Supply
- 230 Vac ± 20 % - Power Supply
- 24 Vac ± 20 % - Power Supply
- 24 Vdc +15 % / -10 % - Power Supply
- 5 to 24 Vdc - Power Supply
Switch Type
- Transistor - NPN
- Transistor - Open Collector: Pulse Output
- Transistor - PNP
Temperature Range
- Maximum