Dwyer Instruments SERIES RTI2 Catalog Page
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SERIES RTI2
RATE/TOTAL INDICATOR
FLOW
Loop Powered, Converts Pulse Frequency to 4 to 20 mA, High/Low Flow Alarm
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The SERIES RTI2 Rate & Total Indicator is an indicator/transmitter that takes the pulse
output signal from compatible owmeters, displays ow rate and total, and provides
output signals. It is compatible with the Series EFS2, IEFS, PDWS, and FLMG.
FEATURES/BENEFITS
• Can be mounted on a wall or mounted on the owmeter for added exibility
• Accessory mounting kits make it easy to change the mounting orientation
• High environmental protection with semi-exible urethane potted electrical
components
• Provides a pulse, 4 to 20 mA and dual-relay output
APPLICATIONS
• Water treatment
• Water utilities
• Industrial chemical handling
MODEL CHART
Model Description
RTI2-W
Wall-mounted
RTI2-M
Meter-mounted
RTI2-P
Panel-mounted
ACCESSORIES
Model Description
MMK2
Meter mounting kit
WMK2
Wall mounting kit
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SPECIFICATIONS
Input: 5 V pulse or contact closure; 1 to 15 pulses/s.
Temperature Limits: Process: -32 to 131°F (0 to 55°C); Storage: -40 to 158°F (-40
to 75°C).
Output: Current sinking square wave
pulse: Scaled pulse output (0.1 s duration 6.1 Hz max. or high alarm
output or low alarm output), sensor pass-through pulse output (un-scaled); Pulse
output range: 0.1 to 9999999.9 units/pulse; Analog: 4 to 20 mA, 24 to 30 VDC.
Power Requirements: 7 to 30 VDC @ 4 mA (4 to 20 mA when loop-powered).
Display: Rate: 8 digits, 1/2 H LCD; Total: 8 digits, 5/16 character height.
K-Factor Range: 0.001 to 999999.999.
Flow Alarm Output Range: 0.1 to 99999.99.
Enclosure Material Housing: Die-cast powder-coated aluminum; Faceplate
#HP92W Lexan.
Enclosure Rating: NEMA 4X (IP67).
Electrical Connection: Terminal blocks, #22 AWG, 3 conductor 18 (5.5 m) cable
(2000 max.).
Mounting: See model chart.
Weight: 3 lb (1361 g).
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