- KFS-M40: M40 case with output: 4-20 mA and Totalizer, IP 68
- For gases and liquids
- DN 25 to DN 600
- Carbon steel, Stainless steel, PVC, PPH, PVDF
- Horizontal or vertical mounting
- Independent of viscosity
- ATEX version (optional)
- Applications: On-line visualization of the instantaneous flow rate in multiple fields: Water treatment, chemical industry, industrial processes, etc. The measurement is independent of viscosity and is suitable for indicating the flow of water, alkaline solutions and gases.
| Accuracy: | 5 % F.S. |
| Scale units: | /h or m³/h or else on request |
| Scale factor: | Minimum 1:10 |
| Protection: | Indicator: IP 66 |
| Corrosion protection: | Carbon steel version: Epoxy painted, kiln-dried, blue (RAL 5017), satin finish Corrosion class: C2 |
| Wafer mounting: | Standard body width: 50 mm 60 mm for PVC / PP / PVDF & DN 250-300 |
| Fittings: | Between flanges, type DIN EN 1092-1, PN 6/10/16/25/40 On request: ASME B16.5, JIS B 2220 (others on request) |
CONTACT OUTPUTS
Inductive contacts, IK1 and IK2 (NAMUR, 2-wire):
| IK1: | 1 Inductive contact, NAMUR, 2-wire, bistable, or N.O. or N.C. |
| IK2: | 2 Inductive contacts, NAMUR, 2-wire, bistable, N.O. or N.C |
| Slot width: | 2.0 mm |
| Hysteresis: | 1.0 % v. E to 10 % v. E |
| Accuracy: | Repeatability: ≤ 2.0 % |
| Temperature drift: | -25 to +70 °C |
| Voltage: | Nom. 8.2 V DC via insulation switching amplifier KFA) |
| Switching frequency: | ≤ 2.5 kHz |
| Power consumption: | Active area uncovered: ≥ 2.1 mA Active area covered: ≥ 2.1 mA |
| Protection: | Against reverse polarity |
| Certification: | KEMA 02 ATEX 1090 X |
| Inductance (Li): | 266 µH |
| Capacitance (Ci): | * Values for pre-assembled cables up to 10 m |
| ATEX cert. : | Ex II 1G Ex ia IIC T4…T6 Ga (Max. Ui = 20 V DC; li = 60 mA; Pi = 130 mW) |
| Option: | Explosion proof version |
Analogue output 4-20 mA:
| Power supply: | 24 V DC |
| Output signal: | 4 … 20 mA For flow-rate from 0 to 100 % > 20.8 mA for alarm status |
| Power supply influence: | < 0.1 % |
| External resistance dependence: | < 0.1 % |
| Temperature incidence External resistance: |
< 5 μA/K |
| Ambient temperature: | -25 to +60 °C |
| Agreement: | TÜV 15 ATEX 7805 X |
| Inductance (Li) / Capacitance (Ci): | ~ 0 μH / 10 nF |
| ATEX cert.: | EX II 2G Ex ia IIC T6…T1 Gb (Max. Ui = 30 V; li = 130 mA; Pi = 1 W) |
Analogue output 4-20 mA + Totalizer:
The EMZ flow totalizer in 2-wire technology is used in combination with the electrical current output EM. An LCD display indicates the total flow value (cumulated) and may be commuted for instant flow-rate display as 0 … 100 %.
The EMZ has two galvanically insulated binary outputs which can be configured as a contact output or pulse output. The pulse output supplies for each displayed counter increment a number of pulses, which number is adjustable. If the voltage drops, an automatic backup takes place. If an indicator with totalizing function is to be used in potentially explosive areas, it must be connected to an intrinsically safe circuit.
| 2 binary outputs: | Galvanically insulated, passive |
| Connection types: | NAMUR (EN 60947-5-6) 2 wire or Transistor output (passive, open collector) 3-wire |
| Open collector output: | |
| Power: | 24 V DC; Max. 30 V DC |
| Load, RL: | 250 to 1000 Ω |
| Current: | Max. 100 mA |
| P max.: | 500 mW |
| NAMUR contact output: | |
| Uo: | 8.2 V DC |
| Ri: | 1000 Ω * Switching power amplifier with Uo = 8,2 V CC and Ri = 1000 Ω |
| Signal current: | > 3 mA: switching value reached < 1 mA: switching value not reached |
| Pulse output: | |
| T on: | Setting from 50 to 500 ms |
| T off: | Depending on flow-rate |
| f max.: | 10 Hz |
| Pulse value: | Setting in flow units (e.g. 5 pulses per cubic meter) |
| Ambient temperature: | -40 to +70 °C |
BAMO KFS-M40 flap string-loaded type flowmeter is used to evaluate flows in piping from DN25 up to DN600. Each flow indicator is calibrated according to customer requirements and equipped with a scale specific to the medium.
The measuring cell includes a flap spring-loaded moved by the medium. The angle of rotation of the flap changes according to the flow. A magnetic coupling transfers the movement to a pointer on a dial.
Options: Analogue output 4-20 mA: A transmitter is added: 4-20 mA; 2-wire; Signal is proportional to the flow rate. It is factory calibrated; no calibration needed on site. The calibration values are stored in a memory chip. The transmitter is protected against reverse polarity.