P+F Distance sensor VDM28-8-L1/73c/136

The VDM28 distance measurement device employs Pulse Ranging Technology (PRT). It has a repeat accuracy of 5 mm with an operating range of 0.2 ... 50 m and an absolute accuracy of 25 mm. The compact housing of the Series 28 photoelectric sensors, with dimensions of 88 mm (height), 26 mm (width) and 54 mm (depth), make it the smallest device available in its class.

Technical Data

General specifications
Measurement range		0.2 ... 8 m
Reference target		Kodak white (90%)
Light source		laser diode typ. service life 85,000 h at Ta = +25 °C

Light type		modulated visible red light
Laser nominal ratings
Note		LASER LIGHT , DO NOT STARE INTO BEAM
Laser class		1
Wave length		660 nm
Beam divergence		< 1.5 mrad
Pulse length		approx. 4 ns
Repetition rate		250 kHz
max. pulse energy		< 1.5 nJ
Angle deviation		max. ± 2°
Measuring method		Pulse Ranging Technology (PRT)
Diameter of the light spot		< 10 mm at a distance of 8 m at 20 °C
Ambient light limit		50000 Lux
Temperature influence		typ. ≤ 0.25 mm/K
Functional safety related parameters
MTTFd		200 a
Mission Time (TM)		10 a
Diagnostic Coverage (DC)		0 %
Indicators/operating means
Operation indicator		LED green
Function indicator		2 LEDs yellow for switching state
Teach-in indicator		Teach-In: LED green/yellow equiphase flashing; 2.5 Hz Teach Error:LED green/yellow non equiphase flashing; 8.0 Hz
Control elements		5-step rotary switch for operating modes selection (threshold setting and operating modes)
Control elements		Switch for setting the threshold values
Electrical specifications
Operating voltage	UB	10 ... 30 V DC , class 2
Ripple		10 % within the supply tolerance
No-load supply current	I0	≤ 125 mA / 24 V DC
Time delay before availability	tv	1.5 s
Output
Signal output		2 push-pull (4 in 1) outputs, short-circuit protected, reverse polarity protected
Switching voltage		max. 30 V DC
Switching current		max. 100 mA
Switching frequency	f	50 Hz
Response time		10 ms
Conformity
Electromagnetic compatibility		EN 61000-6-2, EN 61000-6-4
Laser safety		IEC 60825-1:2007
Measurement accuracy
Absolute accuracy		± 25 mm
Repeat accuracy		< 5 mm
Approvals and certificates
Protection class		III
UL approval		cULus Listed, Class 2 Power Source, Type 1 enclosure
CCC approval		CCC approval / marking not required for products rated ≤36 V
FDA approval		IEC 60825-1:2007 Complies with 21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No. 50, dated June 24, 2007
Ambient conditions
Ambient temperature		-30 ... 55 °C (-22 ... 131 °F)
Storage temperature		-30 ... 70 °C (-22 ... 158 °F)
Mechanical specifications
Degree of protection		IP67

General specifications
Measurement range		0.2 ... 8 m
Reference target		Kodak white (90%)
Light source		laser diode typ. service life 85,000 h at Ta = +25 °C

Connection		4-pin, M12 x 1 connector
Material
Housing		plastic
Optical face		PMMA
Mass		90 g
Dimensions
Height		88 mm
Width		25.8 mm
Depth		54.6 mm

P+F Distance sensor VDM28-8-L1/73c/136 VDM28 distance measurement device 0

P+F Distance sensor VDM28-8-L1/73c/136 VDM28 distance measurement device 1

P+F Distance sensor VDM28-8-L1/73c/136 VDM28 distance measurement device 2

Frequently Asked Questions (FAQ) – SC Automation Limited

1. Who is SC Automation Limited?

SC Automation Limited (SC) was established in 2010 with over 10+ years of industry experience in automation instrumentation and industrial solutions.

2. Where does SC mainly distribute its products?

Our products are primarily exported to:

Africa: South Africa
Asia: Southeast Asia, Middle East
Europe: Nordic countries
Americas: South America
Oceania: Australia, New Zealand

3. What types of automation instruments does SC specialize in?

We focus on:

 Pressure Transmitters
Flow Meters
Ultrasonic Level Sensors
 Vibration Monitoring Systems
Water Quality Analyzers
Electric Actuators
 Solenoid Valves
Sensors & More

4. Which brands does SC supply?

5. Are SC’s products 100% genuine and new?

Yes! We only supply original, brand-new products with full manufacturer warranties.

6. Do SC’s products come with a warranty?

✅ 1-year warranty for all products (except consumables like electrodes).

7. What delivery terms does SC accept?

EXW (Ex-Works)
CIF (Cost, Insurance & Freight)

8. What currencies are accepted for payment?

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9. What payment methods does SC support?

 T/T (Bank Transfer)
Alipay | WeChat Pay

10. How can customers contact SC?

 WhatsApp: +86-13715021826
WeChat: +86-15012673027 / +86-15012630876
Email: joy@cc-scauto.com

11. What are SC’s working hours?

24/7 support! We respond promptly to inquiries at any time.

12. What is SC’s company philosophy?

"Honesty in Relationships, Excellence in Work – Integrity First."

13. What shipping methods does SC support?

Express Couriers: DHL, UPS, TNT, FedEx
Special Routes: Russia & Pakistan dedicated lines
Customer’s Own Logistics: Share your partner’s details, and we’ll arrange pickup.

14. Where are goods delivered?

 Mainland China or Hong Kong (brand-dependent).

15. Does SC support pre-shipment inspection?

✅ Yes! If you cannot visit, a trusted third party can inspect on your behalf.

16. What are SC’s payment terms?

 Full payment upfront for orders delivered within 1 week.
 30% deposit for orders with longer lead times.

17. Why choose SC Automation Limited?

✔  100% genuine products with reliable warranties
✔ Fast quotations & technical support (e.g., E+H product selection)
✔  Year-round shipping (excluding logistics holidays)
✔  Hassle-free sourcing – Your trusted one-stop automation supplier!

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Tag:

Place of Origin:	Vietnam
Brand Name:	P+F
Certification:	CE
Model Number:	VDM28-8-L1/73c/136
Document:	297900_eng.pdf

Minimum Order Quantity:	1pc
Price:	negotiable
Packaging Details:	standard carton packing
Delivery Time:	on request
Payment Terms:	T/T
Supply Ability:	100pcs per month

Measurement Range:	0.2 ... 8 M	Reference Target:	Kodak White (90%)
Light Source:	Laser Diode Typ. Service Life 85,000 H At Ta = +25 °C	Light Type:	Modulated Visible Red Light
Mass:	90 G	Dimensions:	88 Mm25.8 Mm54.6 Mm
Highlight:	P+F Distance sensor VDM28-8-L1/73c/136 , VDM28-8-L1/73c/136 P+F Distance sensor , VDM28 distance measurement device

P+F Distance sensor VDM28-8-L1/73c/136 VDM28 distance measurement device