AW Gear Meters RT-30EX - Manual (Page 7)

RT-30EX Flow Transmitter
Operation and Programming Manual
7
RT-30EX User Manual, Rev. 1.7 02/07/2012
Specifications

Power Requirements: 9-24 VDC/200mA, Class 2 (customer supplied)

Sensor/Monitor Input Ratings:
o Frequency Input Range: 0.3-4,500 Hz
o Sensor Supply Voltage: 12 VDC @ 50mA Max.
o Magnetic Sensor Input: 15mV
P-P
Min., 24V
PEAK
Max.
o High Level Pulse Input: 2V
PEAK
Min., 24V
PEAK
Max.

Analog Output 4-20 mA: 16-bit isolated loop powered 2-wire output; 9-24 VDC, Class 2 loop
supply; max. load impedance = 500 Ohm @ 24V; max. load impedance = 250 Ohm @ 12V

Three Opto-Isolated Open-Collector Outputs: 5-30 VDC, Class 2 rating, 40 mA Max.
(minimum load impedance required = 600 Ohm @ 24 VDC)

Opto-Isolated Reset Input: 12-24 VDC Input, Class 2, 3.3Kohm Impedance

Temperature Ratings: -4 to 140°F (-20 to 60°C) ambient; 185°F (85°C) max. fluid
temperature (standard); 350°F (175°C) max. fluid temperature with optional high
temperature pickup version.

Enclosure Certification: Type 4X

Connection: spring terminal strips; ¾" NPT conduit entrance

Display update rate: 250 milliseconds (4 times per second)

Analog output update rate: 20 milliseconds (if Gate Time filter off)