E-2

Model No.

Description

Weight g (oz)

Pipe Size mm (inch)

FDT-21-S1

Replacement small pipe standard transducer

75 (2.6)

20 to 100 (0.75 to 4)

FDT-21-S1H

Replacement small pipe high temperature transducer

94 (3.3)

20 to 100 (0.75 to 4)

FDT-21-HS

Small pipe aluminum transducer

250 (8.8)

20 to 100 (0.75 to 4)

FDT-21-HM

Medium pipe aluminum transducer

1080 (38)

50 to 700 (2 to 28)

FDT-21-M1

Medium pipe standard transducer

250 (8.8)

50 to 700 (2 to 28)

FDT-21-M1H

Medium pipe high temperature transducer

150 (5.3)

50 to 700 (2 to 28)

FDT-21-L1

Large pipe standard transducer

650 (23)

300 to 6000 (12 to 236)

FDT-21-GREASE-S1

Replacement acoustic gel for standard transducers

FDT-21-GREASE-S1H

Replacement acoustic gel for high-temperature transducers

Model No.

Description

FDT-21W

Wall mount transit-time ultrasonic flowmeter (includes S1 and S1H transducers)

Accessories

Ordering Example: FDT-21W, wall mount transit-time ultrasonic flowmeter.

Parameters

HS-Type

HM-Type

S1-Type

M1-Type

L1-Type

S1H-Type

M1H-Type

Pipe Size (mm)

20 to 100DN

50 to 100DN

20 to 100DN

50 to 700DN 300 to 6000DN

20 to 100DN

50 to 700DN

Pipe Size (inch)

³⁄₄

to 4

2 to 28

³⁄₄

to 4

2 to 28

12 to 240

³⁄₄

to 4

2 to 28

Material

Aluminum alloy

ABS

Special

high-temperature materials

Frequency

1 MHz

Calibration

Calibrate with the main unit

Magnetism

Magnetic

Non-magnetic

Temperature

0 to 70°C (32 to 158°F)

0 to 160°C (32 to 320°F)

Protection Class

NEMA 4 (IP65)

280 x 40 x 40

45 x 30 x 30

60 x 45 x 45

80 x 70 x 55

90 x 85 x 24

90 x 82 x 29

Weight g (oz)

250 (8.8)

1080 (38)

75 (2.6)

250 (8.8)

650 (23)

94 (3.3)

150 (5.3)

Liquid Types

Fresh water, salt water, chemical liquids, oil, crude oil, alcohol, beer, etc.

Suspension

Concentration

≤20,000 ppm, may contain very small amount of air bubbles

Pipe Material

All metals, most plastics, fiberglass, etc.

Dedicated

Shielded

Standard length 5 meter x 2, can be extended to 10 meter x 2 or 15 meter x 2

Transducer Cable

Comes complete with small pipe standard and high temperature transducers (S1 and S1H), acoustic gel, tape measure, RS232 cable,

transducer cable, tranducer clamps, alan wrench, terminal lugs, shrink tubing and operator’s manual.

FDT-21-GREASE-S1 and

FDT-21-GREASE-S1H

acoustic gel

FDT-21-S1 and

FDT-21-S1H tranducers

FDT-21W-TC

tranducer clamps

Alan wrench

FDT-21W-SL

terminal lugs

FDT-21W-TUBE

shrink tubing

All models shown

smaller than actual size.

Accessories included