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RTI2 INSTRUCTIONS
Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com
GENERAL INFORMATION
PULSE OUTPUT 1 (SCALED)
TYPE
Current sinking
MAX. VOLTAGE
30 Vdc
MAX. CURRENT
100 mA
MAX. FREQUENCY
6.5 Hz
PULSE WIDTH
100 ms
ISOLATION
300 V
CONFIGURABLE AS ALARM
YES (High or Low)
PULSE OUTPUT 2 (SCALED)
(See Note 1)
TYPE
Current sinking
MAX. VOLTAGE
30 Vdc
MAX. CURRENT
10 mA
MAX. FREQUENCY
6.5 Hz
PULSE WIDTH
100 ms
ISOLATION
300 V
CONFIGURABLE AS ALARM
YES (High or Low)
Pulse Output Function Table
NOTE 1:
With 2000 ohm or lower pull-up resistance.
* Specifications subject to change • Please consult our website for current data (www.dwyer-inst.com).
1
Scaled output pulses have a fixed width of 100ms. Maximum pulses per second is 6.5Hz
2
For pulse frequencies <1 Hz, increase setting in SET F menu to 3 or higher.
Power
7-30Vdc, 4mA (4-20 mA when loop-powered)
Display
Rate
5-digit autorange
Total
8-digit
Units
Rate Units
Gallons/Second/Minute/Hour/Day, Liter/Second/Minute/Hour/Day, Cubic Feet/Second/Minute/Hour/Day, Cubic Meters/
Second/Minute/Hour/Day, Miner’s Inch, Mega Liters/Day, Million Gallons/Day, Fluid Oz/Second/Minute/Hour/Day, Barrels (42
gallon)/Second/Minute/Hour/Day
Total Units
Gallon, Gallon x 1000, Liters, Mega Liter, Cubic Meter, Acre Feet, Cubic Feet,
Cubic Feet x 1000, Million Gallon, Miner’s Inch Day, Acre Inch, Fluid Ounce, Barrels (42 gallon)
Outputs
Pulse Output 1
Scaled pulse output, high alarm output or low alarm output. Optoisolated.
1
Pulse Output 2
Scaled pulse output, high alarm output or low alarm output.
1
Loop Power Output
4-20mA Loop
Set P Range
0.1 - 99999.9 units/pulse
Input
5V pulse or contact closure
Input Range
0.75
2
- 2000Hz
K-Factor Range
.001 - 999999.999
Flow Alarm Output Range
0.1 - 99999.9
Operating Temperature
0˚ to 55˚ C (-32˚ to 131˚ F)
Non-Operating Temperature
-40˚ to 75˚ C (-40˚ to 158˚ F)
Environmental
NEMA 4X, IP67
Regulatory
Mark
Specifications*