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SYSTEM-10 BTU METER
ONICON Incorporated 727.447.6140
Page 6
onicon.com
*
SPECIFICATIONS subject to change without notice.
**See model codification for additional information regarding option selections.
1.3 STANDARD FEATURES AND SPECIFICATIONS*
SYSTEM-10 TRANSMITTER
PERFORMANCE
CALCULATOR ACCURACY
Computing nonlinearity within ±0.05%
Calculator meets EN1434 CSA C900.1 Class 1 accuracy
requirements for 2K sensors for all applications.
TEMPERATURE
ACCURACY
Overall differential temperature measurement uncertainty of
≤ ±0.15°F over the stated range.
(Includes uncertainty associated with the sensors, transmitters,
cable and calculator input circuitry).
ONICON CURRENT
BASED TEMPERATURE
SENSOR ACCURACY
Temperature sensors meet EN1434/CSA C900.1 accuracy
requirements for 1K sensors for cooling applications, 32°F to
77°F.
Temperature sensors meet EN1434/CSA C900.1 accuracy
requirements for 2K sensors for heating applications, 140°F to
212°F.
OPERATING CONDITIONS
AMBIENT TEMPERATURE
-20°F to 140°F
FLUID TEMPERATURE
25°F to 500°F. Fluid temperature ranges vary based on
application. See 1.4 MODEL NUMBERING SYSTEM for more
details.
INPUT POWER**
24 VAC
20-28 VAC @ 50/60 Hz, 12 VA
120 VAC
108-132 VAC @ 50/60 Hz, 15 VA
240 VAC
207-253 VAC @ 50/60 Hz, 15 VA
I/O SIGNAL**
ISOLATED SOLID STATE
DRY CONTACT PULSE
OUTPUT(S)
Three (3) pulse outputs available.
Mode 1: scaled pulse output for Energy Total.
Mode 2: scaled pulse output for Energy Total.
Mode Status: indicates mode 1 or mode 2 operation.
Contact ratings: 100 mA, 50V max.
Pulse duration: 0.5, 1, 2 or 6 sec (field programmable)
ISOLATED ANALOG
OUTPUT(S)
Optional one (1) or four (4) analog output board.
Available for: Flow Rate, Energy Rate, Supply Temp, Return Temp
and Delta-T.
Output type: Field selectable 4-20 mA, or 0-10 V. Note: 0-5 V
also available with 4 A/O option.
ELECTRONICS
ENCLOSURE**
AVAILABLE OPTIONS
•
NEMA 13 enclosure with LCD display
•
NEMA 4 enclosure with LCD display
Both options include four (4) 3/4” conduit openings
DISPLAY
White, backlit, 16-character alpha, 8-line numeric LCD
displays total energy, total flow, energy rate, flow rate, supply
temperature, return temperature, serial number and alarm
status.
MEMORY
Non-volatile EEPROM memory retains all program parameters
and totalized values in the event of power loss.
PROGRAMMING
Field programmable via front panel interface with factory programmed for specific
application