Dynasonics DXN Portable Ultrasonic Measurement System - Manual (Page 87)

Transducer
Pipe Sizes 1/2" and larger; standard pipe tables built into user Interface
Housing Materials DTTSU
Connector
DTTN/DTTL/DT94
Doppler
Connector
CPVC, Ultem®, and anodized aluminum track system
Nickel-plated brass with Teflon® insulation
CPVC, Ultem®;
Nickel-plated brass with Teflon® insulation
Pipe Surface
Temperature
DTTSU/DTTN/DTTL
DT94 Doppler
– 40…250º F (– 40…121º C)
– 40…212º F (– 40…100º C)
Transducer Frequency DTTSU
DTTN/DTTH
DTTL
DT94 Doppler
2 MHz,
1 MHz
500 kHz
625 kHz
Cable Lengths Transit Time 20 feet (6 meters) paired coaxial cable, BNC to BNC
Doppler 20 feet (6 meters) paired coaxial cable, BNC to 4-pin
Diagnostics Open, Short, Nominal (transit time only)
Pipe Thickness Dual mode transducer with 6 feet (1.8 meters) of cable (BNC ends)
RTD’s 2x platinum 385, 1000 Ohm, 3-wire PVC jacketed cable;
20 feet (6 meters) cable standard with quick connector
Table 24: Transducer Specifications
Process Monitoring Inputs/Outputs
Connector 15-pin high-density DSUB
Breakout Box 2 quick disconnect screw terminal; 15 pin to adapter box;
6 feet (1.8 meters) of cable (DSUB to DSUB connectors)
Inputs/Outputs Energy/Temperature 2x RTDs PT1000 tab type; –122º F…570º F (–85…300º C) measurement
range
Current Output 4…20 mA active/passive 1% accuracy
Sensor Supply 4 V @ 50 mA max for powering current or voltage sensors
Digital Output Open collector, External pull-up
Rate or Total pulse
user selectable
Rate pulse: 0…1000 Hz
Total pulse: 33 mSec duration
Digital Input Totalizer reset, external pull-up
Auxiliary Inputs Voltage input. 0…5 V or 0…10 V, 1% accuracy
Software scaling and control
80k Ohms input impedance
Voltage Output 0…5 V or 0…10 V output voltage, 1% accuracy
Software scaling and control
100 Ohms output impedance
Table 25: Process Monitoring Inputs/Outputs Specifications
Installation & Operation Manual
Page 87 February 2013