U-GAGE® QT50UVR Series Sensors
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U-GAGE® QT50UVR Series Sensors - 1

U-GAGE® QT50UVR Series Sensors Figure 1. Standard Model Fast, easy-to-use TEACH-Mode programming; no potentiometer adjustments SPDT electromechanical relay for high-capacity switching Universal supply voltage: 85 to 264 V ac / 48 to 250 V dc Rugged encapsulated design for harsh environments ® Models available with factory-installed Teflon flange and film coating bonded over the transducer for protection from harsh environments Unique housing design allows for multiple mounting configurations Choose models with integral 2 m (6.5 ft) or 9 m (30 ft) cable, or with Ministyle or Micro-style quick-disconnect fitting Wide operating range of –20 °C to 70 °C (–4 °F to 158 °F) Temperature compensation Teflon® is a registered trademark of Dupont™ Figure 2. Teflon-Protected Model Information about dc-voltage models is available on Banner’s website: www.bannerengineering.com WARNING: Not To Be Used for Personnel Protection Never use this device as a sensing device for personnel protection. Doing so could lead to serious injury or death. This device does not include the self-checking redundant circuitry necessary to allow its use in personnel safety applications. A sensor failure or malfunction can cause either an energized or de-energized sensor output condition. Models Models Sensing Range Operation Model 5-pin Micro-style Quick Disconnect (QD ) 200 mm to 8 m (8 in to 26 ft) 5-pin Mini-style QD 5-wire, 2 m (6.5 ft) cable 5-pin Micro-style QD Fill-level control (pump-in and pump out) Overview Ultrasonic sensors excel in position-monitoring applications and in applications involving clear or multi-colored targets. QT50UVR sensors are available in a variety of models: dc sensors with either analog or two discrete outputs, or universal voltage models that feature an SPDT electromechanical relay for switching larger loads. Programming and setup for the universal voltage models are accomplished using the sensor’s two push buttons. Models are available with Teflon sensor face and hex nut, plus Teflon-coated transducer and special o-rings for use in harsh environments, such as fill-level monitoring in an acidfilled tank. 1 To order the 9 m cable models, add the suffix W/30 to the model number of a cabled sensor (for example, QT50UVR3W w/30). Models with a QD connector require a mating cable.

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U-GAGE® QT50UVR Series Sensors - 2

U-GAGE® QT50UVR Series Sensors Principles of Operation Ultrasonic sensors emit one or multiple pulses of ultrasonic energy, which travel through the air at the speed of sound. A portion of this energy reflects off the target and travels back to the sensor. The sensor measures the total time required for the energy to reach the target and return to the sensor. The distance to the object is then calculated using the following formula: D = ct ÷ 2 D = distance from the sensor to the target c = speed of sound in air t = transit time for the ultrasonic pulse To improve accuracy, an ultrasonic...

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U-GAGE® QT50UVR Series Sensors - 3

U-GAGE® QT50UVR Series Sensors Push and hold the Speed push button for 10 seconds to enter programming mode. Response LED flashes: • Flashing Amber — Temperature Compensation is enabled (default). • Flashing Red — Temperature Compensation is disabled. Click the Speed button to toggle between enable and disable. Response LED flashes: • Flashing Amber — Temperature Compensation is enabled (default). • Flashing Red — Temperature Compensation is disabled. Push and hold the Speed button for 10 seconds to return to Run mode. Sensor stores selection. Sensor returns to Run mode. Response LED...

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U-GAGE® QT50UVR Series Sensors - 4

U-GAGE® QT50UVR Series Sensors Window-Limit Sensor Models Fill-Level Control Sensor Models Target is within window limits Level has dropped below far limit Target is outside window limits Level has risen above near limit Waiting for first limit to be taught Waiting for second limit to be taught Response LED (Amber or Red) — indicates sensor output response time selection. Response LED Status Sensor Programming Two TEACH methods may be used to program the sensor, using the TEACH button: • • Teach individual minimum and maximum limits. Use the Auto-Window feature to center a sensing window...

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U-GAGE® QT50UVR Series Sensors - 5

U-GAGE® QT50UVR Series Sensors Push and hold TEACH button for 2 seconds Output LED turns solid red and the sensor waits for first limit 2. Teach the first limit. Action Position the target for the first limit. Click the TEACH button. The sensor learns the first limit position and the Output LED changes to flashing red 3. Teach the second limit. Action Position the target for the second limit. Click the TEACH button. The sensor stores both limits and Output LED turns solid amber. The sensor returns to Run mode. Pump-In Application (using Normally Open Output) Pump-Out Application (using...

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U-GAGE® QT50UVR Series Sensors - 6

U-GAGE® QT50UVR Series Sensors Teaching Limits Using the Auto-Window Feature Teach procedures are identical for window-limit and filllevel control models. Teaching the same limit twice automatically centers a 200 mm window on the taught position. To readjust the sensing midpoint, repeat the teach procedure. Normally Open Output Taught Position Position - 100 mm Output OFF A button click is defined as: 0.04 s. ≤ Click ≤ 0.8 s. Normally Closed Output Taught Position Position - 100 mm Output ON Figure 6. Using the Auto-Window feature for programming 1. Enter programming mode. Action Push and...

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U-GAGE® QT50UVR Series Sensors - 7

U-GAGE® QT50UVR Series Sensors Installing the Chemical-Resistant Models The sensor may be threaded directly into the side of a tank (see dimensions for hole diameter and thread specifications), or into a non-threaded hole, using the included threaded nut. Recommended through-hole size: 56.5 ± 0.5 mm For a non-threaded hole, install an o-ring onto the flange, and insert the flange completely into the hole until the sensor's front surface is against the tank’s exterior surface. Place the second o-ring into the groove on the PTFE nut. Thread the nut onto the flange and tighten enough to...

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