For fully filled pipes
KATflow 100
Product categories
Stationary Clamp-On ultrasonic flow meter
Water
Hydropower
Ultrasonic
Smart Infrastructure
Your benefits
- Pipe diameter range 10 mm to 3000 mm
- Temperature range for sensors -30 °C to +80 °C (-22 °F to +176 °F)
- Sturdy unit with LCD display and five-key keypad
- Robust IP 66 aluminium enclosure
- Weight 750 g
- Wall or pipe mounted
Applications
- Water and wastewater measurements
- Replacement of electromagnetic flow meters
- Monitoring and controlling of Heating, Ventilation and Air Conditioning (HVAC) systems
- Cost-effective solution for large scale projects
- Automated process control
- Shipping applications
Options
- Optional blind transmitters supplied pre-configured or with external programming tool
- Available with special “P” transducers for simple applications
- Optional PT100 sensors or analogue temperature inputs for heat quantity measurement and temperature compensation

Downloads
Properties
- Low cost of ownership
- Innovative installation wizard for quick and intuitive programming
- Process outputs including RS 485, Modbus RTU and HART compatible output
- PT100 inputs for heat quantity (thermal energy) measurement
- Bi-directional measurement with totaliser function
- Configuration can be changed to suit customer requirements
Product information
Small. Simple. Sturdy.
The KATflow 100 is a compact Clamp-on ultrasonic flow meter with a robust and practical design for permanent installation and flow measurement on single pipes. The instrument offers a cost-effective option owing to its simplified specification and the availability of a range of transducer types. The varied functionality and simple operation of the KATflow 100 make it the perfect product for large projects and customer specific solutions.
Transmitter
Performance
Measurement principle | Ultrasonic transit-time difference |
Flow velocity range | 0.01 ... 25 m/s |
Resolution | 0.25 mm/s |
Repeatability | 0.15 % of measured value, ±0.015 m/s |
Accuracy | Volume flow: ±1 ... 3 % of measured value depending on application ±0.5 % of measured value with process calibration Flow velocity (mean): ±0.5 % of measured value |
Turn down ratio | 1/100 (equivalent to 0.25 ... 25 m/s) |
Measurement rate | 100 Hz |
Response time | 1 s (standard), 90 ms (optional) |
Damping of displayed value | 0 ... 99 s (selectable by user) |
Gaseous and solid content of liquid media | <10 % of volume |

KATflow 100 (dimensions in mm)
General
Enclosure type | Wall mounted, optional pipe stands and brackets available |
Degree of protection | IP 66 according to EN 60529 |
Operating temperature | -10 ... +60 °C (+14 ... +140 °F) |
Housing material | Die-cast aluminium |
Measurement channels | 1 |
Power supply | 100 ... 240 V AC, 50/60 Hz 9 ... 36 V DC |
Display | LCD graphic display, 128 x 64 dots, backlit |
Dimensions | 120 (h) x 160 (w) x 81 (d) mm (without cable glands) |
Weight | Approx. 750 g |
Power consumption | <5 W |
Operating languages | English, French, German, Dutch, Spanish, Italian, Russian, Czech, Turkish, Romanian (others on request) |
Communication
Type | RS 232 (used for external programming and data transfer), USB cable (optional), RS 485 or Modbus RTU (optional) |
Transmitted data | Measured and totalised value, parameter set and configuration, logged data |

KATflow 100 with open enclosure

KATflow 100 in operation
Software KATdata+
Functionality | Download of measured values/parameter sets, graphical presentation, list format, export to third party software, online transfer of measured data |
Operating systems | Windows 10, 8, 7, Vista, XP, NT, 2000, Linux |
Quantity and units of measurement
Volumetric flow rate | m3/h, m3/min, m3 /s, l/h, l/min, l/s USgal/h(US gallons per hour), USgal/min, USgal/s bbl/d (barrels per day), bbl/h, bbl/min |
Flow velocity | m/s, ft/s, inch/s |
Mass flow rate | g/s, t/h, kg/h, kg/min |
Volume | m3, l, gal (US gallons), bbl |
Mass | g, kg, t |
Heat flow | W, kW, MW (with heat quantity measurement option) |
Heat quantity | J, kJ, kW/h (with heat quantity measurement option) |
Temperature | °C (with heat quantity measurement option) |
Process inputs (galvanically isolated)
Temperature | PT100 (Clamp-On sensors), three- or four-wire circuit, measurement range: -30 ... +250 °C (-22 ... +482 °F), resolution: 0.1 K, accuracy: ±0.2 K |
Current | 0/4 ... 20 mA active or 0/4 ... 20 mA passive, U = 30 V, Ri = 50 Ω, accuracy: 0.1 % of measured value |
Process outputs (galvanically isolated)
Current | 0/4 ... 20 mA active/passive (RLoad <500 Ω), 16 bit resolution, U = 30 V, accuracy: 0.1 % |
Digital open-collector | Value: 0.01 ... 1000/unit, width: 1 ... 990 ms, U = 24 V, I max = 4 mA |
Digital relay | 2 x Form A SPST (NO and NC), U = 48 V, I max = 250 mA |
Voltage | 0 ... 10 V, RLoad = 1000 Ω |
Frequency | 2 Hz ... 10 kHz, 24 V/4 mA |
HART compatible | 0/4 ... 20 mA, 24 V DC, RGND = 220 Ω |
Transducers
K1P, K1L
Pipe diameter range | 50 ... 500 mm for type K1P 50 ... 3000 mm for type K1L |
Dimensions of sensor heads | Type K1P: 40 (h) x 30 (w) x 30 (d) mm Type K1L: 60 (h) x 30 (w) x 35 (d) mm |
Material of sensor heads | Type K1P: Plastic Type K1PL: Stainless steel |
Material of cable conduits | Typ K1P/L: PVC |
Temperature range | Type K1P: -20 ... +50 °C (-4 ... +122 °F) Type K1L: -30 ... +80 °C (-22 ... +176 °F) |
Degree of protection | IP 66 according to EN 60529 (I P 67 and IP 68 on request) |
Standard cable lengths | Type K1P/L: 5.0 m |

K1L transducers

K1L transducers

K1P transducers
K4P, K4L
Pipe diameter range | 50 ... 100 mm for type K4P 10 ... 250 mm for type K4L |
Dimensions of sensor heads | Type K4P: 30 (h) x 30 (w) x 30 (d) mm Type K4L: 42 (h) x 18 (w) x 22 (d) mm |
Material of sensor heads | Type K4P: Plastic Type K4L: Stainless steel |
Material of cable conduits | Type K4P/L: PVC |
Temperature range | Type K4P: -20 ... +50 °C (-4 ... +122 °F) Type K4L: -30 ... +80 °C (-22 ... +176 °F) |
Degree of protection | IP 66 according to EN 60529 (I P 67 and IP 68 on request) |
Standard cable lengths | Type K4P/L: 5.0 m |

K4L transducers

K4L transducers

K4P transducers mounted using straps and clamps
K4P transducers
Available lengths | 5,0 ... 100 m |
Cable type | Coaxial |
Material of cable jacket | TPE |
Operating temperature | -40 ... +80 °C (-40 ... +176 °F) |
Minimum bend radius | 67 mm |
Cable connection
Connection types | Junction box |
Termination into transmitter | Direct cable connection (terminal block) |
Transducer mounting accessories
General
Diameter range and mounting types | Clamping set (metal strap with screw), stainless steel: DN 10 ... 40 Metallic straps and clamps: DN 25 ... 100 Metallic straps and clamps: DN 100 ... 3000 Metallic mounting rail and straps (available on request): DN 50 ... 250 or DN 50 ... 3000 |
Mounting fixture for flexible hoses | Custom made mounting bracket, stainless steel (available on request) |

Mounting fixture, rail and magnets

Example of mounting fixture for flexible hoses
PT100 Clamp-On sensors
General
Type | PT100 (Clamp-On sensors) |
Measurement range | -30 ... +250 °C (-22 ... +482 °F) |
Circuits | 4-wire |
Accuracy T | ±(0.15 °C + 2 x 10 -3 x T [°C]), class A |
Accuracy ∆T | ≤ 0.1 K (3 K <∆T <6 K) corresponding to EN 1434-1 |
Response time | 50 s |
Dimensions of sensor heads | 20 (H) x 15 (B) x 15 (T) mm |
Material of sensor heads | Aluminium |
Material of cable jacket | PTFE |
Cable length | 3.0 m |

PT100 transducer

PT100 transducer fixed to pipe

PT100 with wired cable connection