U-GAGE T18U Ultrasonic Sensors
Uses & Applications
Overview
- Uses high-frequency acoustic emitter and tuned receiver for accurate opposed-mode ultrasonic sensing
- Housed in T-style right-angle housing with 18 mm threaded nose
- Offers response time of 2 milliseconds and range of 600 mm for longer-range applications
- Offers ultra-fast response time of 1 millisecond with a range of 300 mm for high-speed applications such as counting
- Offers 12 to 30V dc supply voltage with NPN or PNP output, depending on model
- Reliably detects clear material such as glass
- Highly immune to electrical and acoustic noise
- Operates at temperatures from -40° to 70° C
- Includes signal strength indicator to make alignment easy
Product Specifications
| Supply Voltage and Current | 12 to 30V dc (10% max. ripple)
Emitters:50 mA (exclusive of load) Receivers:35 mA (exclusive of load) |
|---|---|
| Range | NORMAL resolution:600 mm HIGH Resolution:300 mm |
| Sensing Beam | Ultrasonic, 230 kHz |
| Minimum Spacing (adjacent pairs) | 50 mm for emitter-to-receiver separation of up to 150 mm. Add 10 mm of adjacent-pair spacing for every 100 mm of emmiter-to-receiver spacing beyond 150 mm |
| Output Configuration | NPN (current sinking) or PNP (current sourcing), depending on model |
| Output Rating | 150 mA max. each output @ 25° C, derated to 100 mA @ 70° C (derate approximately 1 mA per ° C)
ON-state saturation voltage:less than 1.5V @ 10 mA; less than 2V @ 150 mA OFF-state leakage current:less than 1 µA @ 30V dc |
| Output Protection Circuitry | Protected against false pulse on power-up and continuous overload or short circuit of outputs |
| Output Response Time | NORMAL resolution:2 milliseconds ON/OFF HIGH resolution:1 millisecond ON/OFF |
| Delay at Power-up | 100 milliseconds |
| Rep. Rate | NORMAL resolution:125 Hz max. HIGH resolution:200 Hz max. |
| Repeatability | NORMAL resolution:less than 2mm @ 300 mm range HIGH resolution:less than 1 mm @ 300 mm range |
| Beam Angle (-3dB full angle) | 15 ± 2° |
| Indicators | Receivers, 2 LED indicators:Green and Yellow Green ON steady:power ON
Green flashing:output overload
Yellow flashing:sonic signal received (flash rate is proportional to received signal strength; flash is from full to half intensity).
Emitters, 1 LED indicator:GreenGreen ON steady:power ON
|
| Environmental Rating | IEC IP67; NEMA 6P |
| Construction | T-style yellow PBT polyester housing with black PBT polyester back cover. Transducer housing is threaded M18 x 1. Mating jam nut is supplied for mounting. Acoustic face is epoxy reinforced. Circuitry is epoxy-encapsulated. |
| Connections | Emitters:2-wire 2 m or 9 m attached PVC cable, or 4-pin Euro-style quick-disconnect fitting. QD cables are ordered separately. Receivers:4-wire 2 m or 9 m attached PVC cable, or 4-pin Euro-style quick-disconnect fitting. QD cables are ordered separately. |
| Operating Conditions | Temperature:-40° to +70° C |
| Vibration and Mechanical Shock | Meets Mil.Std 202F requirements. Method 201A (Vibration: frequency 10 to 60 Hz, max., and double amplitude 0.06-inch, maximum acceleration 10G). Method 213B conditions H&I (Shock: 75G with unit operation; 100G for non-operation) Also meets IEC 947-5-2 requirements: 30G, 11 milliseconds duration, half sine wave. |
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