HT5.1/4X-M8 is a high-performance diffuse sensor with background suppression designed for precise object detection, even with challenging surfaces or environments. It features compact dimensions, a red LED light source, and a wide operating range with excellent accuracy, making it ideal for industrial automation applications.
Series: 5
Operating Principle: Diffuse reflection with background suppression
Beam Path: Focused
Light Source: Red LED (Pulsed, 645 nm)
Type of Light Spot Geometry: Round
Focus Type: Fixed
Focal Distance: 200 mm
| Reflectivity | Operating Range |
|---|---|
| White (90%) | 0.005 – 0.4 m |
| Gray (18%) | 0.01 – 0.3 m |
| Black (6%) | 0.015 – 0.2 m |
Black-White Error: <15% up to 200 mm
Adjustment Range: 15 – 400 mm
Operating Range Limit (Typical): 0.005 – 0.4 m
Supply Voltage (UB): 10 – 30 V DC (including residual ripple)
Residual Ripple: 0 – 15% of UB
Open-Circuit Current: 0 – 15 mA
Protective Features:
Polarity reversal protection
Short-circuit protection
Connection 1 (Signal OUT):
Type: Male connector
Thread Size: M8
Material: Plastic
No. of Pins: 4-pin
Pin Assignments:
Pin 1: V+
Pin 2: Not connected (n.c.)
Pin 3: GND
Pin 4: OUT 1 (Signal OUT)
No. of Digital Outputs: 1
Switching Element: Transistor, PNP
Switching Principle: Light switching
Switching Current (Max): 100 mA
Voltage Type: DC
Switching Voltage:
High: ≥ (UB - 2 V)
Low: ≤ 2 V
Switching Frequency: 1,000 Hz
Response Time: 0.5 ms
Readiness Delay: 300 ms
Dimensions (W x H x L): 11.4 mm x 32.1 mm x 17.8 mm
Housing Material: PC-ABS Plastic (Black/Red)
Lens Cover Material: PMMA (Plastic)
Net Weight: 10 g
Mounting:
Two M3 threaded sleeves
Optional mounting devices
Display Type: LED
LEDs: 2 (Green for readiness, Yellow for object detection)
Operational Controls: Multiturn potentiometer (Range adjustment)
Operating Temperature: -40 °C to +60 °C
Storage Temperature: -40 °C to +70 °C
Degree of Protection: IP67
Protection Class: III
Approvals: c UL US
Standards Applied: IEC 60947-5-2
Classifications:
ECLASS 5.1.4 to 15.0: 27270903/27270904
ETIM 5.0 to 10.0: EC002719
Customs Tariff Number: 85365019
Example: HT5.1/4X-M8
HT5: Diffuse reflection with background suppression
1: Adjustable range
4: PNP transistor, light switching
X: Pin 2 not used
M8: M8 connector, 4-pin
| Part No. | Designation | Description |
|---|---|---|
| 50130850 | KD U-M8-4A-V1-050 | M8 axial female connector to open end, 5 m cable |
| 50130871 | KD U-M8-4W-V1-050 | M8 angled female connector to open end, 5 m cable |
| Part No. | Designation | Description |
|---|---|---|
| 50118542 | BT 200M.5 | Adjustable L-shaped stainless steel bracket |
| 50124651 | BT 205M-10SET | Rigid L-shaped metal bracket set |
| 50060511 | BT 3 | Rigid L-shaped metal mounting bracket |
| Part No. | Designation | Description |
|---|---|---|
| 50117829 | BTP 200M-D12 | 360° turning adjustable clampable system for 12 mm rod |
| 50117255 | BTU 200M-D12 | Adjustable mounting system with sheet-metal support |
Intended Use: Industrial object detection (not for personnel protection)
UL Applications: Use only with Class 2 circuits and UL-listed cable assemblies rated ≥ 30V/0.5A
Light Source Lifespan: Approx. 100,000 h at 25°C ambient
Response Time Optimization: Use ~5 kOhm ohmic load for short decay times