Kamstrup Metering Solutions and Thermal Sensors

Technical parameter matching for Kamstrup MULTICAL thermal calculators, ULTRAFLOW flow sensors, flowIQ water meters and matched Pt500 temperature sensor pairs according to plant drawings.

Kamstrup MULTICAL 603 Ultrasonic Heat and Cooling Calculators

Kamstrup MULTICAL 603 calculators deliver high-precision thermal metering across closed and open heating and cooling circuits. The unit supports two flow meters and three temperature sensors, providing exceptional accuracy, logging depth and seamless energy management.

Direct communication with ULTRAFLOW ultrasonic volume meters via pulse signals
Dual expansion slots for wired M-Bus, wireless wM-Bus or Modbus RTU modules
Autonomous power from a high-capacity D-cell lithium battery lasting 16 years
Configuration of energy tariffs and data logging through front optical eye

Kamstrup MULTICAL 403 Compact Ultrasonic Heat Meters

Kamstrup MULTICAL 403 compact ultrasonic meters ensure dependable heat and cooling energy accounting in residential and commercial properties. The integrated flow sensor and calculator design withstands hydraulic pressure surges while offering minimal pressure drop.

Dynamic flow measurement ratio up to 1:250 for superior low-flow sensitivity
Static ultrasonic flow metering body with zero moving parts exposed to water
Modular expansion slots for wired M-Bus, wireless wM-Bus and link networks
Various installation lengths and threaded connection fittings for plant design

Kamstrup MULTICAL 803 Industrial Energy Calculators

Kamstrup MULTICAL 803 industrial energy calculators are built for demanding utilities and large central energy plants. Featuring a robust IP65 enclosure, four module bays and a backlit display, the device provides continuous monitoring of complex industrial thermal circuits.

Simultaneous connection of up to four ultrasonic flow meters for split loops
Four internal communication bays supporting M-Bus, BACnet IP and serial links
Mains powered 230V or 24V supply with automatic backup battery protection
Robust IP65 protection rating designed for humid industrial plant conditions

Kamstrup ULTRAFLOW 54 Static Flow Sensor Units

Kamstrup ULTRAFLOW 54 static flow sensors operate seamlessly with MULTICAL calculators to measure water volume in heating and cooling plants. The lack of moving mechanical parts prevents friction wear, delivering long-term calibration stability in rigorous industrial duty.

Broad range from DN15 to DN125 covering nominal flows from 0.6 to 100 m3/h
Corrosion-resistant brass or stainless flow pipe with thread or flange ends
Electronic sensor circuitry powered directly from calculator via signal line
High resistance to suspended magnetite and sediment in circulating fluids

Kamstrup flowIQ 2200 Smart Ultrasonic Water Meters

Kamstrup flowIQ 2200 ultrasonic water meters combine high-precision billing metering with integrated acoustic leak detection across utility pipe networks. The hermetic IP68 enclosure prevents water ingress during pit submersion while built-in radio transmits data wirelessly.

Acoustic noise analytics for immediate localization of underground pipe leaks
Ultra-low start flow from two liters per hour detecting minute dripping losses
Fully waterproof IP68 molded composite body suitable for submerged manholes
Integrated wireless radio module delivering encrypted telemetry to READy hubs

Kamstrup Pt500 and Pt100 Paired Temperature Sensors

Kamstrup Pt500 and Pt100 paired temperature sensor sets provide precise differential temperature measurement across flow and return utility lines. Factory matched sensor pairs eliminate thermal calculation errors, delivering compliance with strict international metering standards.

Paired platinum resistance elements matched to EN 1434 accuracy classes
Direct immersion DS type for ball valves alongside pocket PL installations
Two-wire and four-wire connection cabling starting from 1.5 meter lengths
Stainless steel thermowells engineered for high fluid pressure resistance

ULTRAFLOW Flow Sensor Pipeline Installation and Orientation Guide

Installing Kamstrup ULTRAFLOW 54 and ULTRAFLOW 44 static ultrasonic flow sensors within district heating pipelines requires strict adherence to flow channel orientation.

The volume sensor may be oriented horizontally, vertically or inclined, provided the flow arrow embossed on the brass housing matches the fluid circulation path.

Overhead pipe crown positioning must be avoided to prevent air pocket accumulation; the measuring pipe must remain fully primed with liquid under a minimum gauge pressure of one bar. A straight inlet run of three pipe diameters upstream stabilizes ultrasonic transit times.

Signal Pulse Cable Wiring and Polarity for MULTICAL Calculators

Interfacing ULTRAFLOW volume sensors with Kamstrup MULTICAL 603 calculators utilizes a screened three-wire pulse signal line. Technicians must observe terminal marking numbers: pulse input, circuit ground and the 3.6V regulated sensor power feed.

The signal cable should run inside dedicated steel conduit physically separated from heavy electric pump motors and frequency inverters.

Using shielded instrumentation wiring with perimeter braid grounding suppresses high-frequency electrical noise and prevents signal distortion during continuous metering.

Pt500 Paired Temperature Sensor Immersion and Pocket Mounting

Installing paired Kamstrup Pt500 platinum temperature sensors in flow and return pipes requires precision stainless steel thermowells. The immersion tip must reach the center third of the pipeline diameter where fluid velocity is highest and temperature distribution is uniform.

Prior to inserting the probe, thermal silicone paste is applied inside the protective pocket to eliminate air gaps and lower response latency. Signal leads must never be shortened or spliced, as changing conductor loop resistance introduces differential temperature calculation errors.

M-Bus Network Integration and Primary Secondary Addressing Setup

Connecting Kamstrup MULTICAL 403 and MULTICAL 803 calculators to building management systems is implemented through internal M-Bus communication cards. The unit supports primary addressing from 1 to 250 alongside secondary addressing via the unique eight-digit meter serial number.

The two-wire M-Bus trunk is wired using twisted-pair cables with a minimum cross-section of 0.75 mm2 in bus or star network topologies. Master transceiver loading is calculated allowing one standard load unit of 1.5 mA per connected calculator interface.

Lithium Battery Replacement Protocol for Utility Energy Meters

Kamstrup MULTICAL 603 calculators and flowIQ water meters rely on internal 3.65V lithium battery packs for continuous autonomous operation.

During scheduled replacement of the D-cell module or dual C-cell cells, technicians match connector keying and press the plug firmly until the latch snaps into position. Upon power renewal, the calculator display is checked for battery icon clearance and real-time clock validation.

Non-approved commercial battery cells must never be fitted to prevent clock drift and data archive corruption.

Acoustic Pipe Leakage Detection and Analysis with flowIQ Meters

Kamstrup flowIQ 2200 ultrasonic water meters integrate internal acoustic noise sensors designed to detect distribution network pipe bursts. The internal microcontroller monitors background sound patterns during quiet nighttime hours and computes a statistical leakage index.

When sound thresholds exceed baseline values, an alarm code is logged and transmitted over encrypted radio channels to the central READy collection software. Remote acoustic monitoring enables water distribution utilities to pinpoint underground leaks rapidly.

Kamstrup and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Kamstrup and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.