The KOBOLD flowmeter model DPE is used for measuring and monitoring liquids. The device works according the well-known blade wheel principle. The six vane blade wheel is retained axially in a high quality sapphire bearing. The sensor is supplied ready-to-install with pipe fittings or with weld-on sleeves. The blade wheel is set in motion by the flowing medium. Magnets are embedded hermetically sealed in the ends of the blade wheels. The magnets generate electrical pulses in a Halleffect sensor mounted outside the flow area.
Features
Fields of applications
- cooling water monitoring
- general mechanical engineering
- waste water treatment
- all heavy goods industry
- chemical industry
Specifications
Technical Details
- Measuring accuracy: ±2.5% of full scale
- Process temperature: max. 80°C
- Ambient temperature: max. 80°C
- Max. operatingpressure: PN40 / 20°C
- Max. pressure loss:
DPE-...05: 0.05 bar
DPE-...10, ...15: 0.03 bar
DPE-...20: 0.04 bar
DPE-...25: 0.02 bar
DPE-...30: 0.01 bar - Protection: IP65
Materials
- Housing: brass
- stainless steel 1.4581
- Seals: brass version: NBR
- Stainless steel version: FPM
- Turbine wheel: PVDF
- Axle: hard metal
- Bearing: sapphire
Electronics
Frequency output (..F300)
- Power supply: 12-28 VDC
- Power consumption: 10 mA
- Pulse output: PNP, open collector, max. 25 mA
- Electr. connection: plug connector M12x1
Frequency output with frequency divider
- Power supply: 24 VDC ±20%
- Power consumption: 15mA
- Pulse output: PNP, open collector, max. 25 mA
- Electr. connection: plug connector M12x1
- Division ratio: 1...1/128, factory set
Analogue output (plug-on display option)
- Power supply: 24 VDC ±20%
- Output: 0-20 mA or 4-20 mA, 2- or 3-wire
- Max. load: 500 Ω
- Electr. connection: plug connector M12x1 or DIN 43 650
- Option: plug-on display (with plug connector
- DIN 43 650 and 4-20 mA output only)
Compact electronics
- Display: 3-digit LED
- Analogue output: (0)4...20 mA adjustable, max. 500 Ω
- Switching outputs: 1 (2) semiconductor PNP or NPN, factory set
- Contact operation: N/C / N/O contact, frequency programmable
- Setting: with 2 buttons
- Supply: 24 VDC ±20%, 3-wire, approx. 100 mA
- Electr. connection: plug connector M12x1
ADI electronics
- Display: bar graph and 5-digit digital display
- Analogue output: (0)4...20 mA, 0-10 VDC
- 2 switching outputs: relay /changeover contact, max. 250 VAC/5A resistive load, max. 30 VDC / 5A
- Setting: via 4 buttons
- Supply: 100...240VAC ±10% or 18...30VAC /10...40VDC
- Electr. connection: pluggable terminal block via cable gland
DPE-...Exxx (Counter electronic)
- Display: LCD, 2 x 8 digit, illuminated total, part and flow quantities, units selectable
- Analogue output: 0(4)...20 mA adjustable
- Load: max. 500 Ω
- Switching outputs: 2 relays, max. 250 V/5 A/1000 VA
- Settings: via 4 buttons
- Functions: Reset, Min./Max. memory, flow monitor, monitoring for part and total quantity, language
- Supply: 24 VDC ±20%, 3-wire
- Power consumption: approx. 170 mA
- Electr. connection: pluggable screw terminals via cable gland
DPE-...Gxxx (Dosing electronic)
- Display: LCD, 2 x 8 digit, illuminated total, part and flow quantities, units selectable
- Analogue output: 0(4)...20 mA adjustable
- Load: max. 500 Ω
- Switching outputs: 2 relays, max. 250 V/5A/1000 VA
- Settings: via 4 buttons
- Functions: dosing (relay S2), start, stop, reset, fine dosing, correction amount, flow switch, total quantity, language
- Supply: 24 VDC ±20%, 3-wire
- Power consumption: approx. 170 mA
- Electr. connection: pluggable screw terminals via cable gland
Download Datasheet: Kobold DPE Turbine Wheel Flow Meter
Reference : kobold.com
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