Dynasonics TFX Ultra Transit Time Flow Meters - Manual (Page 11)

SPECIFICATIONS
System
Liquid Types Most clean liquids or liquids containing small amounts of suspended solids or gas bubbles.
Velocity
Range
Bidirectional to greater than 40 fps (12 mps).
Flow Accuracy
DTTN/DTTH/DTTL: ±1% of reading or ±0.01 fps (0.003 mps), whichever is greater.
DTTS/DTTC: 1 in. (25 mm) and larger – ±1% of reading or ±0.04 fps (0.012 mps), whichever is greater.
DTTS/DTTC: 3/4 in. (19 mm) and smaller – ±1% of full scale (
See the Dimensional Specifications page )
Temperature
Accuracy
(Energy
Meters Only)
Option A: 32…122° F (0…50° C); Absolute: 0.22° F (0.12° C) Difference: 0.09° F (0.05° C)
Option B: 32…212° F (0…100° C); Absolute: 0.45° F (0.25° C) Difference: 0.18° F (0.1° C)
Option C: –40…350° F (–40…177° C); Absolute: 1.1° F (0.6° C) Difference: 0.45° F (0.25° C)
Option D: –4…85° F (–20…30° C); Absolute: 0.22° F (0.12° C) Difference: 0.09° F (0.05° C)
Sensitivity
Flow: 0.001 fps (0.0003 mps)
Temperature:
Option A: 0.03° F (0.012° C).
Option B: 0.05° F (0.025° C).
Option C: 0.10° F (0.060° C).
Option D: 0.03° F (0.012° C).
Repeatability 0.5% of reading.
Installation
Compliance
General Safety (all models): UL 61010-1, CSA C22.2 No. 61010-1;
(power options A and D only)EN 61010-1.
Hazardous Location
(power supply options
A and D only):
Class I Div. 2 Groups C, D, T4; Class II, Division 2, Groups F, G, T4; Class III
Division 2 for US/CAN; ATEX II 2 G Ex nA II T4:
ANSI/ISA-12.12.01, CSA 22.2 No. 213, EN 60079-0 and EN 60079-15.
Compliant with directives 2004/108/EC, 2006/95/EC and 94/9/EC on meter
systems with integral flow transducers, transducers constructed with
twinaxial cable (all transducers with cables 100 ft (30 m) and shorter) or
remote transducers with conduit.
Pollution degree: 2
Altitude: 6560 ft (2000 m) maximum.
Transmitter
Power
Requirements
AC: 95…264 V AC 47…63 Hz @ 17 VA max. or 20…28 V AC 47…63 Hz @ 0.35 A max.
DC: 10…28 V DC @ 0.5 A max.
Display
Two line LCD, LED backlit: Top row 0.7 inch (18 mm) height, seven segment.
Bottom row 0.35 inch (9 mm) height, fourteen segment.
Icons: RUN, PROGRAM, RELAY1, RELAY2.
Flow rate indication: Eight digit positive, seven digit negative max. Auto decimal, lead
zero blanking.
Flow accumulator (totalizer):
Eight digit positive, seven digit negative max. Reset via keypad press,
ULTRALINK, network command or momentary contact closure.
Enclosure
Type 4 (IP-65) Construction: powder-coated aluminum, polycarbonate, stainless steel, polyurethane,
nickel-plated steel mounting brackets
Size:
6.0 in. W x 4.4 in. H x 2.2 in. D (152 mm W x 112 mm H x 56 mm D).
Conduit Holes: (2) 1/2 in. NPT female; (1) 3/4 in. NPT female; optional cable gland kit.
SPECIFICATIONS
Page 11 March 2014