Cut Sheet

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
eliminate gaps between the flange and the
tank surface. This ensures that the o-rings
are fully compressed.
QT50U Chemical-Resistant Sensor
Tank Section
O-Ring
O-Ring
Threaded PTFE
Nut (included)
Figure 8. Installing a chemical-resistant sensor model into a non-threaded hole in a
tank
Specifications
Sensing Range
200 mm to 8 m (8 in to 26 ft)
Supply Voltage
Universal Voltage: 85 to 264 V ac, 50/60 Hz / 48 to 250 V dc (1.5
watts maximum, exclusive of load)
Supply Protection Circuitry
Protected against transient overvoltages; DC wiring is without regard to
polarity
Ultrasonic Frequency
75 kHz burst, rep. rate 96 ms
Delay at Power-up
1.5 seconds
Output Configuration
SPDT (Single-Pole, Double-Throw) electromechanical relay output
Output Ratings
Max. switching power (resistive load): 2000 VA, 240 W (1000 VA,
120 W for sensors with Micro-style QD)
Max. switching voltage (resistive load): 250 V ac, 125 V dc
Max. switching current (resistive load): 8 A at 250 V ac, 8 A at 30
V dc derated to 200 mA at 125 V dc (4 A max. for sensors with Micro-
style QD)
Min. voltage and current: 5 V dc, 10 mA
Mechanical life of relay: 50,000,000 operations
Electrical life of relay at full resistive load: 100,000 operations
Output Response Time
Selectable 1600 ms, 400 ms or 100 ms
Temperature Effect
Uncompensated: 0.2% of distance/°C
Compensated: 0.02% of distance/°C
Hysteresis
Window-Limit Sensor Models: 5 mm
Fill-Level Control Sensor Models: 0 mm
Repeatability
1.0 mm
Minimum Window Size
20 mm
Adjustments
Sensing Limits: TEACH-Mode programming of near and far limits
Sensor Configuration: Output response time and temperature
compensation mode
Factory Default Settings: 400 ms output response; Temperature
compensation enabled
Indicators
Green Power On LED: Indicates power is ON.
Red Signal LED: Indicates target is within sensing range, and the
condition of the received signal.
Output indicator (bicolor amber/red): Indicates output status or TEACH
mode.
Response indicator (bicolor amber/red): Indicates output response time
selection.
Construction
Transducer: Ceramic/Epoxy composite
Housing: ABS
Membrane Switch: Polyester
CRFV Models: Teflon face, flange, hex nut and transducer coating;
Viton
®
o-ring
Operating Conditions
Temperature: −20 °C to +70 °C (−4 °F to +158 °F)
Maximum Relative Humidity: 100%
Connections
2 m (6.5 ft) or 9 m (30 ft) shielded 5-conductor (with drain) PVC
jacketed attached cable or 5-pin Micro-style quick-disconnect or 5-pin
Mini-style quick-disconnect fitting.
Environmental Rating
Leakproof design is rated IEC IP67; NEMA 6P
Vibration and Mechanical Shock
All models meet Mil Std. 202F requirements. Method 201A (vibration:
10 Hz to 60 Hz max., double amplitude 0.06 inch, maximum
acceleration 10G). Also meets IEC 947-5-2 requirements: 30G 11 ms
duration, half sine wave.
Temperature Warmup Drift
Less than 1.0% of sensing distance upon power-up with Temperature
Compensation enabled
Application Notes
Objects passing inside the specified minimum sensing distance (200
mm) may produce a false response.
Certifications
U-GAGE
®
QT50UVR Series Sensors
P/N 117764 Rev. G www.bannerengineering.com - Tel: [phone]