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EMCO's Sono-Trak™ Transit Time ultrasonic flow meter combines advanced non-invasive flow measurement technology with a versatile transmitter design to provide an accurate, maintenance-free, easy-to-install, and easy-to-use measuring system. The Sono-Trak™ Transit Time flow meter, using only one set of transducers, measures liquids for pipe sizes from 2 to 100".
| Reliable and Rugged |
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- High accuracy: ±0.5% of rate (factory tested); ±2.0% of rate (typical field installation); ±0.1% of rate repeatability
- Time domain expansion technology improves signal processing and dramatically increases resolution
- With no moving parts to wear over time, flow meter maintenance is non-existent
- Rugged, NEMA 6-rated transducers are fully submersible
- No pressure drop
- FM and CSA approvals (pending)
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| Fast & Easy Installation |
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- Typical installations take less than 30 minutes with the non-invasive, clamp-on design using all stainless steel quick clamps
- No worries of flange requirements, pressure ratings, process liquid interaction issues, pipe vibrations, or upstream transitions
- Heavy-duty, urethane-coated cables are pre-terminated to facilitate a speedy installation
- Easy-to-read, blue backlit display allows for quick flowmeter set-up, featuring EMCO's patented menu-driven EZ-Logic™ user interface
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| Features |
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| Flexible |
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- The same Sono-Trak flow meter can be installed on line sizes from 2 to 100" (50 to 2540 mm)
- Plug-and-play input/output module options enable custom electronics configuration and/or field retrofits/upgrades; choose two from: pulse, analog, relay, RS-232, RS-485, BTU, and data logger
- Standard, built-in infrared capability for use with optional Windows® software
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The compact, NEMA 4X-rated, wall-mounted transmitter has a large, easy-to-read backlit display, which alternates between flow rate and totalized flow with corresponding, user-selectable engineering units. The four-button keypad allows for quick flow meter set-up, featuring EMCO's patented menu-driven EZ-Logic™ user interface. Additionally, the standard infrared communication port can be used with the optional Windows® compatible software package and serial interface device to access all configuration and data recording features.
With buffet-style input/output (I/O) module options, the electronics configuration is easily customized. Two I/O sockets will accept any of seven offered modules: pulse, analog, relay, RS-232, RS-485, BTU, and data logger. The modules are "plug-and-play," enabling field upgrades and/or retrofits. The RS-485 module allows single-point viewing of multiple meters in a master/slave configuration. The BTU module accepts two RTD inputs and performs energy calculations. The data logger collects up to 100,000 data points in non-volatile memory and can be removed from the transmitter under power and connected to a standard PC serial port for downloading and data analysis. Full diagnostics are accessible through the display, the standard infrared port, and the optional serial communication modules.
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Specifications
| Performance Specifications |
| Accuracy (linear ranges) |
Factory tested¹ |
± 0.5% of flow rate |
| Typical field installation² |
± 1 to 2% of flow rate |
| Repeatability |
± 0.1% of flow rate |
| Response time |
Adjustable from .3 to 30 sec |
¹Factory test conditions: water at 70°F, flow velocity > 1 ft/sec on a 6" stainless steel pipe
²Field performance is dependent on the accuracy of the pipe's internal diameter and wall thickness measurements, as well as straight run conditions |
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| Operating Specifications |
| Applied pipeline sizes |
2 to 100" (50 to 2540 mm) |
| Measurable fluids |
Most common liquids from waste water to petrochemical products |
| Measurable flow velocities |
Liquid -40 to 40 ft/sec (-12 to 12 m/sec) |
| Process pressure |
Not applicable |
| Ambient temperature limit |
-40 to 140°F (-40 to 60°C) |
| Process temperature limit |
Standard |
40 to 250°F (-40 to 121°C) |
| High temp option |
40 to 400°F (-40 to 205°C) |
| Ambient humidity limit |
Up to 95% RH, non-condensing |
| Power requirements |
Field configurable for AC or DC |
12-24 VDC
115 VAC, 50/60 Hz (± 10%)
230 VAC, 50/60 Hz (± 10%) |
| Power consumption |
Less than 5 W |
| Input/Output modules |
4 to 20 mA output |
Field configurable as a 2-wire active or passive transmitter, 800 Ω maximum resistance |
| Frequency output |
Field configurable for 0 to 1,000 Hz or 0 to 10,000 Hz output, 20 mA max (50% duty cycle) |
| Dual relay output |
175 V, ¼ A switch, 1 A carry current, 0.2 Ω resistance |
| RS485 interface |
Master/slave configuration, supports 57.6 kbd communications up to 1000' |
| RS232 interface |
Supports up to 57.6 kbd communication (19.2 kbd @ 50') |
| Dual RTD input |
Accepts two 1000 Ω RTD inputs for BTU measurement |
| Data logger |
Non-volatile storage of 100,000 time/date stamped data points, selectable from 1 to 1,000 seconds. Connects with PC serial port for data retrieval |
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| Physical Specifications |
| Materials |
Wetted parts |
None |
| Transducer housing 250°F |
Delrin® / Ultem® / Stainless steel; NEMA 6 (IP68) |
| Transducer housing 400°F |
Toron® /Vespel® / Stainless steel; NEMA 6 (IP68) |
| Sensor cables |
Polyurethane armored coaxial |
| Clamps |
Stainless Steel |
| Cable lengths |
Standard |
25' (7.6 m) |
| Options |
50' (15.2 m)
75' (22.8m) |
| Custom |
76' to 1000' (23.1 m - 304.8 m) |
| Maximum transducer cable length |
1000' (304.8 m) |
| Cable connection |
Standard submersible |
| Mounting |
Transducer |
External, adjustable clamp |
| Electronics |
Remote wall |
| Approvals |
CSA |
Class I Div II Groups A,B,C,D
Class II and Class III Groups E, F |
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Installation
| Installation Specifications |
| Straight run piping |
Condition |
Upstream |
Downstream |
| Typical |
10 |
5 |
| Minimum |
5 |
3 |
| Upstream valve and other piping configurations |
Consult EMCO rep or the Factory |
Consult EMCO rep or the Factory |
| Transducer mounting |
Vertical |
The recommended flow direction a vertical pipe is upwards. |
| Horizontal |
Transducer should be mounted so the pipe is full of liquid with no bubbles present. |
| Zero-point adjustment |
For best accuracy, a zero-point setting must be made with a full pipe at no flow during initial start-up. |
| Air/Gas entrapment |
Excess gas entrapment can scatter or reflect the sound wave, causing inaccurate measurement. Allowable air/gas entrapment is 2%. |
| Pipe material |
Good results |
Caution needed |
Do not use on |
| Most metallic |
Cast iron |
Cement |
| Plastic |
Lined pipes |
Pipes with internal deposits or severe corrosion |
| Sonic wave forms |
Line size |
Mounting options |
| 2 to 2.5" (DN50 to DN65) |
"W" |
| 3 to 12" (DN80 to DN300) |
"V" |
| 14 to 100" (DN350 to DN2500 |
"Z" |
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Model Codes
| Category |
Description |
Suffix codes |
| Electronics |
2-line backlit display with 4-button keypad |
ST-30 |
- |
- |
- |
- |
- |
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| I/O port 1 |
None |
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N |
- |
- |
- |
- |
- |
| 4 to 20 mA output |
- |
A |
- |
- |
- |
- |
- |
| Frequency/pulse output |
- |
F |
- |
- |
- |
- |
- |
| Dual relay output (dry contact) |
- |
R |
- |
- |
- |
- |
- |
| Dual RTD (limit 1 per unit)* |
- |
BTU |
- |
- |
- |
- |
- |
| RS-232 interface ** |
- |
RS2 |
- |
- |
- |
- |
- |
| RS-485 interface ** |
- |
RS4 |
- |
- |
- |
- |
- |
| I/O port 2 |
None |
- |
- |
N |
- |
- |
- |
- |
| 4 to 20 mA output |
- |
- |
A |
- |
- |
- |
- |
| Frequency/pulse output |
- |
- |
F |
- |
- |
- |
- |
| Dual relay output (dry contact) |
- |
- |
R |
- |
- |
- |
- |
| Dual RTD (limit 1 per unit)* |
- |
- |
BTU |
- |
- |
- |
- |
| RS-232 interface ** |
- |
- |
RS2 |
- |
- |
- |
- |
| RS-485 interface ** |
- |
- |
RS4 |
- |
- |
- |
- |
| Process temperature |
-40 to 250°F (-40 to 121°C) |
- |
- |
- |
250 |
- |
- |
- |
| -40 to 400°F (-40 to 205°C) |
- |
- |
- |
400 |
- |
- |
- |
| Transducers |
Submersible |
- |
- |
- |
- |
1 |
- |
- |
| Cable length |
25' (7.6 m) |
- |
- |
- |
- |
- |
25 |
- |
| 50' (15.2 m) |
- |
- |
- |
- |
- |
50 |
- |
| 75' (22.8 m) |
- |
- |
- |
- |
- |
75 |
- |
| 76 to 1000' (23.1 to 304.8 m) (specify length) |
- |
- |
- |
- |
- |
XX |
- |
| Pipe clamp size |
2 to 12" (50 to 300 mm) |
- |
- |
- |
- |
- |
- |
12 |
| 14 to 24" (350 to 600 mm) |
- |
- |
- |
- |
- |
- |
24 |
| 26 to 36" (650 to 900 mm) |
- |
- |
- |
- |
- |
- |
36 |
| 38 to 100" (950 to 2540 mm) (specify pipe size) |
- |
- |
- |
- |
- |
- |
XX |
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