Calculator
Multical® 603
Product categories
Heat / Cooling
The future-proof heat and cooling meter with complete flexibility Next-generation flexibility Quality
Flexibility and scalability are key to ensuring that today's meter solution is well equipped to meet future challenges. The new MULTICAL® 603 with efficient dimensions comes in a modern design and is an all-round calculator. The heat meter, cooling meter or combined heat/cooling meter allows you to easily upgrade and replace your measuring devices. This means you are ready for new opportunities and challenges.
Heat / Cooling
Ultrasonic
System technology
Wired
Impulse,
M-Bus,
Modbus,
BacNET
Wireless
wM-Bus,
LoRaWAN
Smart City
Smart Building
Your benefits
- Ultrasonic technology:
Long-term stable energy measurement with maximum measurement accuracy - Highly flexible modular design:
Expandable base unit, reduced inventory requirements - Auto Detect function of ULTRAFLOW®:
One calculator for all flow sensor sizes - Comprehensive data logger:
Instant access to information for analysis and optimization purposes - One-time programming of metrological parameters on site without breaking the MID seal:
Flexibility and time savings during commissioning - Option cards for various functions:
- Affordable base unit
- Additional functions can be added later - CH refrigeration certification (METAS) incl. initial calibration:
Approved for use in commercial transactions
Applications
- Particularly suitable for district heating/cooling applications (main meters, transfer stations, etc.) in billing transactions
- Heat and/or cooling consumption measurement in building services engineering
- Calculator for local or remote reading
- Leakage and pipe break monitoring in district heating systems
Options
- Mixed fluid on version (603-M) on request
- Option cards for
- M-Bus / 2 water meter inputs
- M-Bus / 2 pulse outputs energy + volume
- Radio OMS T1, 868 MHz (battery life 11 years)
- 2 active analog outputs 0/4…20mA (mains power supply required)
- LonWorks, TP/FT-10 / 2 water meter inputs (high-power power supply required)
- BACnet MS/TP (RS485) + 2 water meter inputs (mains power supply required)
- Modbus RTU (RS485) + 2 water meter inputs (mains power supply required)
- Modbus TCP-IP / 2 water meter inputs (high-power power supply required)
- BACnet IP / 2 water meter inputs (high-power power supply required)
- LoRaWAN int./ext. antenna
Downloads
Properties
- Large LCD display, resolution 7 or 8 digits
- Mains power supply 230 V AC, power supply 24 V AC/V DC or with 16-year battery for wall mounting
- Supported, integrated real-time clock (RTC) and data logger, mains power supply 230 V AC
- Pt 500 temperature sensor, 2-/4-wire technology (603-M 2-wire)
- Storage of the last 36 monthly and 20 annual values
- Can be combined with the following volume measuring parts:
- ULTRAFLOW®
- Impeller meter with reed pulse generator
- Magnetic-inductive meter - Type testing/approval:
- Heat:
Conformity according to European Measuring Instruments Directive (MID)
- Cold: CH approval (METAS) incl. initial calibration
Product information
Technical data
| Performance data for the MULTICAL® 603 calculator | |
|---|---|
| Temperature measuring range | 2 to 180 °C |
| Temperature difference measuring range | 3 to 178 K |
| Temperature resolution on display | 0,01 °C |
| LCD resolution | 7 or 8 digits with 8.2 mm digit height, max. 3 decimal places |
| Energy display unit | For ULTRAFLOW®: up to qp 150 kWh or MWh, from qp 250 MWh |
| Volume display unit | m3 |
| Flow display unit | l/h |
| Power display unit | kW |
| Protection class | IP65 |
| Environmental class | A/C according to EN 1434 |
| Ambient temperature | +5 to +55 °C (non-condensing) |
| Storage temperature | -20 to +60 °C |
| Display unit Consumption meter 1+2 | m3 |
| Weight | approx. 0.4 kg |
| Power supply | |
|---|---|
| Mains power supply | ■ 230 V AC +15/-30%, 50/60 Hz ■ 24 V AC ±50%, 50/60 Hz ■ 24 V DC (16 ... 50 V DC) |
| Backup mains power supply | Built-in SuperCap eliminates downtime during brief power outages (only when connected to mains power) |
| Battery power supply | 3,6 V DC ±0,1 V DC |
| Battery life 1) | ■ Wall mounting 16 years @ tBAT ‹ 30 °C ■ Compact mounting 14 years @ tBAT ‹ 40 °C |
| Data logger (EEPROM) | 1392 hours, 460 days, 36 months, 20 years, 250 info codes (last 50 can be read on display) |
| Clock/calendar | Clock, calendar, leap year compensation, reference date, real-time clock (RTC) with battery backup |
1) The use of data modules, frequent data communication, and high ambient temperatures reduce battery life.
| Volume measuring device | ULTRAFLOW® | Reed switch | 24 V active pulses |
|---|---|---|---|
| Pulse input | 680 kΩ pull-up up to 3.6 V | 680 kΩ pull-up up to 3.6 V | 12 mA at 24 V |
| Pulse ON | ‹0,4 V in ›1 ms | ‹0,4 V in ›300 ms | ‹4 V in ›3 ms |
| Pulse OFF | ›2,5 V in ›4 ms | ›2,5 V in ›100 ms | ›12 V in ›4 ms |
| Pulse frequency | ‹128 Hz | ‹1 Hz | ‹128 Hz |
| Electrical insulation | Nein | Nein | 2 kV |
| Maximum cable length | 10 m | 10 m | 100 m |
| Temperature sensor | Pt 500, 2-wire or 4-wire technology / glycol Pt 500, 2-wire technology | ||
| Technical data option cards | |
|---|---|
| Pulse inputs from water meters | |
| Pulse input | 680 kΩ Pullup up to 3,6 V |
| Pulse ON | ‹0,4 V in ›30 ms |
| Pulse OFF | ›2,5 V in ›30 ms |
| Frequency | ‹3 Hz |
| Electrical insulation | No |
| Maximum cable length | 25 m |
| Pulse outputs | |
| Type (energy + volume) | Open-Collector |
| External voltage | 5…30VDC |
| Load | 1 … 10mA |
| Pulse length | 32ms or 100ms |
| Maximum cable length | 25m |