The Bullet – Ultrasonic Level Measurement

The Bullet provides non-contacting ultrasonic level measurement with the latest digital echo processing for superb performance. It is an all-in-one Loop-powered (2-wire) ultrasonic transmitter with 4 buttons for easy programming. It comes standard with a 2″ NPT threaded PVDF housing for simple mounting requirements. Accuracy is +/- 0.2% of range. Two models are available for 7 or 10 meter ranges.



ECHO’S newest product THE BULLET provides reliable, accurate, noncontact measurement of liquid levels. Ultrasonic non-contact technology offers no moving parts to wear, jam, corrode, or get coated like contact technologies.  Mapping software makes effective measur­ing surface only a 3″ diameter column. No concerns with ladders, pipes, or other tank intrusions in the remaining sound cone.  Unit is FM ap­proved explosion-proof making it ideal for use in hazardous locations. The unit features easy programming with 6 digit LCD display and sim­ple menu structure.  Output range is adjustable with choices of in­putting tank dimensions or just fill and empty the tank while calibrating and it automatically scales to levels it senses.  Window cover allows early viewing of display. Failsafe output options and diagnostic capabilities makes the unit a good choice for critical applications.

Additional information

Weight 7 lbs
Dimensions 12.0 × 12.0 × 12.0 in



Service: Compatible fluids. Not for use with powder and bulk solids.
Wetted Materials: Sensor: PVDF; process connection: 303 SS.
Ranges: 24.6′ (7.5 m), 32.8′ (10 m).
Accuracy: ±0.2% of maximum range.
Resolution: 0.079″ (2 mm).
Blind Zone: Under 8″ (20 cm).
Beam Width: 3″ (7.6 cm) diameter.
Temperature Limits: Ambient: -40 to 140°F (-40 to 60°C), Process: -4 to 140°F (-20 to 60°C).
Temperature Compensation: -40 to 140°F (-40 to 60°C) 
Pressure Limits: 30 psi (2 bar) up to 25°C (77°C). Above 25°C (77°F), rating decreases 1.667 psi per 1°C increase. See chart.
Power Requirement: 18 to 28 VDC (2 wire).
Output Signal: 4 to 20 mA or 20 to 4 mA (Two-wire).
Max. Loop Resistance: 250 Ohms at 24 VDC.
Electrical Connections: Screw terminal.
Conduit Connection: 1/2″ NPT female (two) or optional M20.
Process Connection: 2″ NPT male or optional BSPT.
Enclosure Rating: Weather-proof meets NEMA4X, explosion-proof rated Class I, Div. 1, Groups B, C, D; Class ll/lll, Div. 1, Groups E, F, G.
Mounting Orientation: Vertical.
Failsafe: On lost echo after 30 seconds, user selectable to 4, 20, 21, 22 mA or last signal.
Memory: Non-volatile. Display: 6 character LCD.
Units: In, cm, ft, m, percent.
Memory: Non-volatile.
Programming: 4 button.
Weight: 4.0 lb (1.8 kg) 
Agency Approvals: CE, FM.


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