U-GAGE QT50U DC Series—Dual Discrete

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Overview

  • Provides 10 to 30V dc supply voltage with two selectable NPN or PNP outputs
  • Offers dual-discrete outputs for setting independent near and far limits for both outputs, for applications requiring high and low-limit sensing
  • Senses extended range of up to 8 m
  • Features ultrasonic dead-zone of only 2.5% of the total range—75% less than comparable product
  • Features a completely sealed, shock-resistant housing ideal for monitoring levels of liquids as well as solids
  • Available in chemically resistant models with a Teflon coating to protect the transducer
  • Compensates for temperature, for greatest sensing accuracy
  • Simplifies setup with push-button and remote TEACH-mode programming
  • Shows status during setup and operation, using highly visible LEDs indicators

Product Specifications

Supply Voltage and Current10 to 30V dc (10% max. ripple); 100 mA max. @ 10V, 40 mA max @ 30V (exclusive of load)
Range200 mm to 8 m
Ultrasonic Frequency75 kHz Rep. rate:96 milliseconds
Supply Protection CircuitryProtected against reverse polarity and transient overvoltages
Output ConfigurationDual NPN (current sinking) or PNP (current sourcing), selectable via DIP switch
Output Rating150 mA max. OFF-state leakage current:less than 5 µA
Output saturation:
NPN:less than 200 mV @ 10 mA; less than 650 mV @ 150 mA
PNP:less than 1.2V @ 10 mA; less than 1.65V @ 150 mA
Output ProtectionProtected against short circuit conditions
Output Response Time100 to 1600 milliseconds
Delay at Power-up1.5 seconds
Temperature EffectUncompensated:0.2% of distance/° C
Compensated:0.02% of distance/° C
Repeatability1.0 mm
Hysteresis5 mm
Minimum Window Size20 mm
AdjustmentsSensing window limits:TEACH-Mode programming of near and far window limits may be set using the push buttons or remotely using TEACH input.
IndicatorsGreen Power ON LED:indicates power is ON
Red Signal LED:indicates target is within sensing range, and the condition of the received signal
TEACH/Output indicator (bicolor Yellow/Red):
Yellow:target is within taught limits
Red:sensor is in TEACH mode
OFF:target is outside taught window limits
Remote TEACHTo TEACH:connect gray or yellow wire to 0 to +2V dc; impedance 12 k ohms
ConstructionTransducer:ceramic/epoxy composite
Housing:ABS/Polycarbonate
Membrane switch:polyester
Lightpipes:acrylic
Environmental RatingLeakproof design, rated IEC IP7; NEMA 6P
Connections5-conductor (with drain) 2 m or 9 m shielded PVC-jacketed attached cable, or 5-pin Euro- or Mini-style quick-disconnect fitting. QD cables are ordered separately.
Operating ConditionsTemperature:-20° to +70° C
Relative humidity:100%
Vibration and Mechanical ShockAll models meet Mil. Std. 202F requirements. Method 201A (Vibration: 10 to 60 Hz max. double amplitude 0.06”, maximum acceleration 10G). Also meets IEC 947-5-2 requirements: 30G, 11 milliseconds duration, half-sine wave.
Temperature Warmup DriftLess than 0.890% of sensing distance upon power-up with Temperature Compensation enabled
Application NoteObjects passing inside the specified near limit (200 mm) may produce a false response.

English

Data Sheets

Document Name Part Number File Size Download
1. U-GAGE QT50U Series, Discrete Outputs
(dc models)		 110112 805K Download
2. U-GAGE QT50U Series, Mounting Flange
(SAFQT50U)		 116804 455K Download
3. U-GAGE QT50U, T30U Series, Teflon Flange 122155 420K Download

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