Input
Flow Input: 1 x Pulse/Analog
Temperature and Pressure Input: 2 x RTD/Analog
Loop Power Supply: 24V DC (+/-16%)
Output
Analog Output: 1 x 4…20 mA
Digital Outputs: 2 x Open Collector
Display
Type: 160 x 80 Dot-Matrix LCD with white backlight
Alarm Indication: Colour change during alarm events
Active Display Area: 70 x 34 mm
Calculations
Calculation Standard: IAPWS-IF97
Power Supply
Low Voltage Power Supply: 100 to 230 V AC (-15% / +10%)
Small Voltage Power Supply:
24 V DC (-50% / +75%)
24 V AC (±50%)
Dimensions
Size (WxHxD): 144 x 144 x 103.1 mm (5.67″ x 5.67″ x 4.06″)
Protection Class
IP65
Communication Interfaces
Web Server
USB
Ethernet
Modbus RTU/TCP Slave
M-Bus
Certificates
CE
CSA GP
MID 004
OIML R75
The EngyCal RS33 is designed for recording steam mass and energy flow for both saturated and superheated steam. It utilizes the IAPWS IF97 standard to accurately calculate the mass and energy flow based on measured process variables: volume flow, temperature, and pressure. The calculator computes the density and enthalpy of steam from the input variables.
Typical Applications Include:
The EngyCal RS33 functions as an Energy Manager, focused on monitoring and billing energy in saturated and superheated steam applications, utilizing the IAPWS-IF97 calculation standards for precise energy flow measurements.
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