Thermal energy meter

Integral-MK UltraMaXX

Waermezaehler komplett Integral MK Ultra Ma XX

Product categories

Heat / Cooling

Measuring capsule ultrasonic heat meter

Heat / Cooling

Ultrasonic

Smart Building

Your benefits

  • First combination of ultrasonic technology and measuring capsule system:
    - Exceptional measuring dynamics
    - Safe and durable
    - Easy meter replacement
  • Backward compatible:
    Measuring capsule also fits existing Integral-MK MaXX housings
  • Compact design:
    Minimal installation space required on site
  • Large display:
    Improved readability
  • Detachable calculator:
    Flexible installation possible (compact/split)
  • Display of operating faults and dirt warning:
    Increased operational reliability

Applications

  • Heat consumption measurement in building services
  • Heat meter for local or remote reading

Options

  • Local readout version (battery powered, small calculator housing)
  • Version with 2 pulse outputs for heating and cooling energy (battery powered, small calculator housing)
  • Version with M-Bus interface and 4 water meter inputs (battery powered, large calculator housing)
  • Version with M-Bus interface and 2 water meter inputs (M-Bus powered, large calculator housing)
  • Usable as heat meter, cooling meter, or combined heat and cooling meter
  • Retrofit external EquaScan-hMIU radio module
Waermezaehler komplett Integral MK Ultra Ma XX

Properties

  • Ultrasonic heat and cooling meter with measuring capsule
  • qp 1,5 and qp 2,5 avaiable
  • Powered by 10-year battery or via M-Bus (backup battery included)
  • Measuring capsule can be rotated on site to the desired display position
  • Maximum operating pressure PN 16 bar
  • Temperature measuring range 0–150 °C
  • Temperature sensor Pt 500, also suitable for existing Integral-MK MaXX housings with thermowells
  • Billing date function (18 end-of-month values)
  • Maximum values (only large housing version)
  • Conformity according to the European Measuring Instruments Directive (MID)
  • Standard EN 1434

Product information

Technical Data
Volume measuring device
Nominal diameter qp m3 /h 1,5 2,5
Maximum flow rate qs m3/h 3 5
Start-up value qstart l/h 2 5
Kvs value m3/h 3 5
Nominal pressure PN bar 16 16
Operating temperature max. °C 90 90
Approval MID bzw. EN 1434
Protection class IP67 IP67
Connection cable m 0,5 0,5
Installation kit EAT
Nominal diameter DN mm 15 20
Length housing A mm 110 130
Connection thread (EAT) B G...A Inch ¾ 1
Short-term max. temperature max. °C 110 110
Installation kits Connection lengths Connection thread
L1 L2 L3 G
EAT ¾" 88 110 - G¾B
EAT 1" 106 130 - G1B
EAT ¾" KH 176 200 - G¾"
EAT 1" KH 202 230 - G1"
KH ¾" - - 60 G¾"
KH 1" - - 66 G1"
Dimension Diagram
E Pe20315 dimension
Installation position
Pipeline: horizontal iconHorizontalLine
vertical iconVerticalLine
Head of meter upwards iconArrowToTop
downwards iconArrowLeftRight
Calculator performance data
18 reference date values (end-of-month values)
EEPROM (non-volatile memory)
Temperature range 0 to 150 °C
Temperature difference 3 to 150 K
LCD display (8 digits) kWh MWh m 3  99999999 (Standard) 99999,999 99999,999
Lithium battery operating lifetime 10 years
Environmental class EN 1434-Klasse C, MID: E1, M1
Protection class IP54
Ambient temperature +5 to+55°C
Temperature sensor performance data, thermowell installation or direct installation
Sensor element Pt 500
Execution Design cable sensor Ø6 mm 1)
Cable length (coiled cable) 2x1,2m

(Other versions and lengths available as options)

1 Also always suitable for existing or already installed EAT installation sets with thermowells (Integral-MK MaXX, backward compatible)

Flow measuring ranges

Measuring range of the Integral-MK UltraMaXX qp 1.5 (Class C) compared to the Integral-MK MaXX and standard meters qp 0.6 and qp 1.5 (Class B)

Integral MK Ultrama XX E Pe20315
Pressure lost curve
E Pe20305 pressure

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Last updated: 18.02.2026
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