FIG. 01 / 05IIT-200F wall-mounted convertor with keypad and two-line displayProduct photograph

FIG. 01 / 05IIT-200F wall-mounted convertor with keypad and two-line displayProduct photograph

01 · Flow MetersTransit-time ultrasonic

IIT-200F Fixed Separated Ultrasonic Flowmeter

Indiana catalogue ID: II-FM-002
Manufacturer model: TUF-2000SW · TUF-2000SS · TUF-2000SD

Transit-time flow and thermal energy measurement from DN15 to DN6000, clamp-on, insertion or inline.

Pipe sizes: DN15 – DN6000
Accuracy: ±1.0% of reading
Interface: 4–20 mA · RS485

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Overview

A fixed separated transit-time ultrasonic flowmeter for continuous inline measurement. The convertor installs indoors or in an instrument cabinet while the transducers measure non-invasively or invasively across pipe sizes from DN15 to DN6000. Optional Pt100 transducers add real-time thermal energy and heat calculation.

Operating principle

01Transit-time ultrasonic measurement using low-voltage multi-pulse digital signal processing, which improves measurement accuracy, operational stability and field longevity.
02A dual-balance signal differential receiver and driver circuit isolates external noise from frequency converters, TV towers and high-voltage power lines.
03With Pt100 transducers on supply and return, the convertor computes heat as Q = V × (T1 − T2) × K for HVAC and industrial utility monitoring.

In context

Specified forreal process duty.

01Potable, hot, chilled, city and sea water
02Raw sewage and plant effluent
03Chemical liquids including alcohol and solvents
04Oil products — crude, diesel, fuel, lubricating oil

DENSE MANIFOLD OF STEEL PROCESS PIPES AND VALVES, IN BLACK AND WHITE · ILLUSTRATIVE ENVIRONMENT

Variants and model selection

3 documented configurations. Open one to see its specification.

IIT-2000SWWall-mounted convertorWall or surface mounting

IIT-2000SW — Wall-mounted convertor
Mounting	Wall / surface
Dimensions	170 × 180 × 56 mm
Power supply	DC 8–36 V or AC 85–264 V
Protection	IP65 enclosure

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IIT-2000SSPanel-mounted convertorCabinet or panel cutout

IIT-2000SS — Panel-mounted convertor
Mounting	Cabinet / panel cutout
Dimensions	170 × 180 × 56 mm
Cutout size	152 × 76 mm
Power supply	DC 8–36 V or AC 85–264 V

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IIT-2000SDExplosion-proof convertorFlameproof enclosure installations

IIT-2000SD — Explosion-proof convertor
Mounting	Flameproof enclosure
Dimensions	298 × 298 × 110 mm
Ex grade	DII BT4
Power supply	DC 8–36 V or AC 85–264 V

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Technical specifications

Transcribed from the product documentation. A value that is not shown is not stated in the source, and is confirmed with the quotation.

Measurement

Measurement
Operating principle	Transit-time ultrasonic flowmeter with multi-pulse digital processing technology
Accuracy	±1.0% of reading
Repeatability	±0.2%
Velocity	0 to ±7 m/s
Pipe diameter	DN15 mm to DN6000 mm
Turbidity	≤10,000 ppm with minimal bubble content

Output and interface

Output and interface
Current output	1 channel 4–20 mA, impedance 0–1 kΩ, accuracy 0.1%
Pulse output	1 channel OCT pulse, pulse width 6–1000 ms, default 200 ms
Relay output	1 channel
Signal input	3 channels 4–20 mA at 0.1% accuracy for temperature, pressure and level acquisition
Temperature input	Pt100 temperature transducer connection for heat and energy metering
Data interface	Isolated RS485 serial interface supporting MODBUS protocol and remote PC software upgrade
Display	2 × 20 character LCD with backlight; English, Chinese and Italian
Cable	Standard twisted-pair shielded cable up to 50 m; RS485 communication distance over 1000 m

Data logging

Data logging
Totaliser history	Last 512 days, 128 months and 10 years
Power events	64 timestamped power on/off events
Operating status	32 days retained
Expansion	Optional SD card memory up to 2 GB for paperless long-term data acquisition

Installation and environment

Installation and environment
Pipe materials	Carbon steel, stainless steel, cast iron, copper, PVC, aluminium, cement, glass fibre
Straight run	Upstream ≥10D, downstream ≥5D, pump outlet ≥30D
Convertor temperature	−20 °C to 60 °C
Transducer temperature	−30 °C to 160 °C
Convertor humidity	85% RH
Transducer protection	IP68, submersible up to 2 m
Power supply	DC 8–36 V or AC 85–264 V optional
Power consumption	1.5 W
Convertor dimensions	205 × 154 × 70 mm

Flow transducer options

Type	Model	Measurement range	Liquid temperature	Dimensions
Standard clamp-on	TS-2 (small)	DN15 – DN100 mm	−30 °C to 90 °C	45 × 25 × 32 mm
Standard clamp-on	TM-1 (medium)	DN50 – DN700 mm	−30 °C to 90 °C	64 × 39 × 44 mm
Standard clamp-on	TL-1 (large)	DN300 – DN6000 mm	−30 °C to 90 °C	97 × 54 × 53 mm
High-temp clamp-on	TS-2-HT (small)	DN15 – DN100 mm	−30 °C to 160 °C	45 × 25 × 32 mm
High-temp clamp-on	TM-1-HT (medium)	DN50 – DN700 mm	−30 °C to 160 °C	64 × 39 × 44 mm
High-temp clamp-on	TL-1-HT (large)	DN300 – DN6000 mm	−30 °C to 160 °C	97 × 54 × 53 mm
Insertion	TC-1 (standard)	DN80 – DN6000 mm	−30 °C to 160 °C	190 × 80 × 55 mm
Insertion	TC-2 (lengthened)	DN80 – DN6000 mm	−30 °C to 160 °C	335 × 80 × 55 mm
Inline pipe	G3	DN15 – DN25 mm	−30 °C to 160 °C	Standard pipe spool
Inline pipe	G2	DN32 – DN40 mm	−30 °C to 160 °C	Standard pipe spool
Inline pipe	G1	DN50 – DN6000 mm	−30 °C to 160 °C	Standard flanged pipe

Pt100 temperature transducer options

Model	Description	Pipe size	Temperature range	Cut off water?	Accuracy
CT-1	Clamp-on temperature transducer Pt100	≥ DN50 mm	−40 °C to 160 °C	No	±0.1 °C
TCT-1	Insertion temperature transducer Pt100	≥ DN50 mm	−40 °C to 160 °C	Yes	100 °C ± 0.8 °C
PCT-1	Insertion Pt100 with hot-tap pressure installation	≥ DN50 mm	−40 °C to 160 °C	No	±0.1 °C
SCT-1	Insertion Pt100 for small size pipes	< DN50 mm	−40 °C to 160 °C	Yes	±0.1 °C

Ordering code configurator

Position	Options
Convertor	W: wall · P: panel · B: explosion-proof
Transducer	TS-2 / TM-1 / TL-1 · TS-2-HT / TM-1-HT · TC-1 / TC-2 · G1 / G2 / G3
Pipe size	DN15 to DN6000 (mm)
Pipe material	0: carbon steel · 1: stainless steel · 2: cast iron · 3: glass fibre · 4: PVC · 5: cement
Pressure	1.6 MPa · 2.5 MPa · 4.0 MPa
Cable	5 m · 10 m · custom
Temperature sensor	None · CT-1 · TCT-1 · PCT-1 · SCT-1
SD card	0: yes · 1: no

Ordering code example IIT-200F W + TM-1 + DN300 + 0 + 1.6 MPa + 10 m + PCT-1 + 0
Standard configuration includes: IIT-200F wall-mounted convertor + TM-1 medium transducer + 5 m signal cable + steel band clamps (DN200) + acoustic couplant (1 piece).

Source · INDIANA INSTRUTECH · IIT-200F fixed separated ultrasonic flowmeter — catalogue

In the supplied datasheet the convertor variants appear as TUF-2000SW, TUF-2000SS and TUF-2000SD.

Installation

Guidance from the product’s operating documentation.

Non-invasive installation

No need to cut pipes or shut down flow, with zero pressure loss. Suits retrofit installations and clean or potable water lines, and connects a clamp-on Pt100 for heat metering.

Hot-tapped under pressure

Requires drilling holes under pressure without disrupting flow. Suits lined pipes or severe scaling, and delivers high stability and long-term accuracy.

Flanged / spool measurement

Requires pipe section replacement. Delivers the highest accuracy and extreme stability across varying fluid dynamics; recommended for critical custody transfer.

Applications and industries

Documented in the product literature, not inferred.

Applications

Potable, hot, chilled, city and sea water
Raw sewage and plant effluent
Chemical liquids including alcohol and solvents
Oil products — crude, diesel, fuel, lubricating oil
Beverages and ultra-pure fluids
HVAC and industrial utility heat metering

Industries

Water utilities
HVAC and building services
Power generation
Chemical
Food and beverage

To specify or quote this, the team needs

Pipe size, material and wall thickness
Lining material and condition, including scaling
Liquid, its temperature and expected velocity
Available straight run upstream and downstream
Installation method — clamp-on, insertion or inline
Heat metering required, and which Pt100 type
Convertor mounting and hazardous-area requirement
Signal cable length and output required

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Downloads

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Technical sheetOverview, key values, gallery and applications — the selling document for IIT-200F Fixed Separated Ultrasonic Flowmeter.PDF · 0.2 MB Full specificationEvery stated value, variants, open points and ordering information.PDF · 0.3 MB

Request for quotation · II-FM-002

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IIT-200F Fixed Separated Ultrasonic Flowmeter