GPI Flomec RT14 User Manual

5
1.2 Specifications
Physical
High impact glass reinforced Nylon (PA6) with a Polycarbonate lens, Nitrile O-Ring
seals and Polyurethane gaskets, providing an IP rating of IP66/67
Operating Temperature Range is -30
o
C ~ +80
o
C (-22
o
F ~ +176
o
F)
LCD
Display:
8 digit alpha-numeric LCD display with 12mm characters
Display backlight available with external DC power
Units
Total units are selectable for litres, millilitres, gallons, cubic metres, quarts,
kilograms, pounds, or NONE.
Rate units are independently selectable for all of the above, with time-base options
of /second, /minute, /hour, or /day
Signal
Input:
Universal pulse/frequency input compatible with Reed Switch, NPN or PNP sensors,
Variable Reluctance Coils (Turbine Flowmeters), and Weigand Sensors (voltage
pulse signals). 1.2Khz maximum input frequency for NPN/PNP, 2kHz maximum for
Coil inputs, 120Hz maximum for Reed Switch inputs.
Minimum signal amplitude for Coil signals is 90mV pk-pk
Sensor
Power
5V/20mA regulated sensor supply is available with external DC power applied.
A separate low power sensor supply is available when loop powered
Battery
Power
AA 3.6V Lithium Thionyl Chloride Battery
Expected battery life under ideal conditions is 5 years
See section 2.3.11 for more details on battery life
External
DC Power
Regulated 12V ~ 30V DC
Maximum current draw on external power is 100mA @ 30V
Lower current supply is required with lower supply voltages
Loop
Power
12 ~ 30V DC 2-wire loop power
Load Limits:
@ 30VDC – 900Ω Max @24VDC – 630Ω Max @12VDC – 90Ω Max
Analogue
Output
12 Bit 4-20mA analogue signal with an accuracy of ±0.05% F.S. at 25
o
C
±0.25% F.S. at extreme ambient temperatures (-30
o
C or +80
o
C)
Software setting of Zero and Span, software trim of zero and full scale
22mA over-range when full-scale flowrate is exceeded
Digital
Output
One selectable digital output programmable for Scaled Pulse, Unscaled Pulse, High
Alarm, Low Alarm, or High/Low Alarm.
100Hz Maximum output frequency for scaled pulse or alarms.
Signal accessible via passive NPN output or isolated output
Passive
NPN Out
Passive NPN digital output, 30VDC 300mA maximum
Can be operated on battery power with a reduced battery lifetime
See section 2.3.11
Isolated
Digital Out
Isolated digital output which is NPN/PNP selectable via wiring.
50V AC/DC 300mA maximum
*requires external DC power to operate*

GPI Flomec RT14 Specifications

General

Brand	GPI
Model	Flomec RT14
Category	Monitor
Language	English