Dynasonics TFXL Clamp-On Ultrasonic Flow Manuel d'utilisateur télécharger pdf (Page 26)

26 06-TTM-UM-00158 8/2012

SPECIFICATIONS

Liquid Types Most clean liquids or liquids containing small amounts of suspended solids

Power Requirements 11-28VDC @ 0.25A

Protection Reverse polarity, surge suppression

Velocity 0.1…40 fps (0.03…12 mps)

Inputs/Outputs 4-20mA Output (Standard Output) Totalizer Pulse

Resolution

Power

Insertion loss

Loop impedance

Isolation

12-bit for all outputs

Source

5V Max.

900 Ohms Max.

Can share ground common

with power supply isolated

from piping system

Operation

Pulse duration

Source/sink

Logic

Normal state high; pulses low

with display total increments

30mSec min.

2 mA max.

5 VDC

Turbine Frequency Output/TTL—Pulse Output (Switch selectable)

Type

Amplitude

Frequency range

Duty cycle

Non-grounded referenced AC/ground referenced square wave

500mVpp min. /5 VDC

0…1,000Hz

50% ± 10%

Display Type: 2 line x 8 character LCD

Rate: 8 maximum digits with lead zero blanking

Total: 8 maximum digits with exponential multipliers from –1…6

Units Engineering units: Feet, gallons, ft

, million-gal, barrels (liquid & oil), acre-feet. lbs, meters, m

, liters, million-liters, kg

Rate: second, minute, hour, day

Enclosure – Rating:

Dimensions:

NEMA 3 (Type 3) ABS, PVC and Ultem® (integral system), brass or SS hardware

3"W x 2.5" H x 6" D (75 mm x 63 mm x 150 mm)

Transducer Type: Clamp-on, uses time of  ight ultrasonics

Ambient

Temperature:

General purpose: –40° F…185° F (–40° C…85° C); Hazardous locations integral mount: 0° F…

105° F (–20° C…40° C); Hazardous locations DTTN: –40° F…185° F (–40° C…85° C)

Transducer Ratings: DTTN/DTTC: NEMA 6* (IP 67), CPVC, Ultem®, Nylon cord grip, PVC cable jacket; -40…250° F (-40…121° C)

Construction DTTN: NEMA 6P* (IP 68) option, CPVC, Ultem®, Nylon cord grip, Polyethylene

cable jacket; -40…250° F (-40…121° C)

DTTH: NEMA 6* (IP 67), PTFE, Vespel®, Nickel-plated brass cord grip, PFA cable jacket; -40…350° F (-40…176° C)

DTTS: NEMA 6* (IP 67), PVC, Ultem®, Nylon cord grip, PVC cable jacket; -40…185° F (-40…85° C)

*NEMA 6 units: to a depth of 3 ft. (1 m) for 30 days max. NEMA 6P units: to a depth of 100 ft.

(30 m) seawater equivalent density inde nitely.

Pipe/Tubing Sizes: 1/2" (12 mm) and larger

Pipe/Tubing

Materials:

Carbon steel, stainless steel, copper and plastic

Accuracy: DTTN/DTTH ±1% of reading at rates >1 FPS (0.3 MPS), ±0.01 FPS (±0.003 MPS) at rates lower than 1 FPS;

DTTS/DTTC 1” and larger units ±1% of reading from 10-100% of measuring range, ±0.01 FPS (±0.003 MPS) at

rates lower than 10% of measuring range; ¾” and smaller units ±1% FS.

Refer to the Dimensional Speci cations page for applicable measuring ranges for each DTTS/DTTN transducer models.

Repeatability: ±0.5% of reading

Response Time: 0.3…30 seconds, adjustable

Certi cations: All TFXL Models

General Requirements: UL 61010-1 and

CSA C22.2 No. 61010-1

Hazardous Locations: Class I Div. 2 Groups C&D

T4 to UL 1604 and CSA 22.2 No. 213

DTTN Transducer and IS Barrier (-F option)

Hazardous Location Designation: Class I Div 1,

Groups C & D; T5 Intrinsically Safe Exia

Process Control Equipment: CSA C22.2 No. 142

Intrinsically Safe Equipment: CSA C22.2 No. 157

Intrinsically Safe & Associated Apparatus: UL913

Energy Management Equipment: UL916

ULTRALINK™ Utility: Software utility, requires serial communication cable

Windows 2000, Windows XP, Windows Vista®, and Windows® 7 compatible

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Dynasonics TFXL Clamp-On Ultrasonic Flow Manuel d'utilisateur Page 26

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