standexelectronics.com

Datasheet

Rev DCA

Page 2

+1 970.879.9900 | sensorsales@standexelectronics.com

Note: Check our website or contact us for details on all our ferrous metal

detection options.

Environmental Specifications

Corrosion Resistance

500 hours salt spray ASTM B-117

Installation Torque

23 Foot-Pounds Maximum

Enclosure

Nema 1,3,4,6,13 & IEC IP67

Vibration

10 G’s 2 to 2000 Hz Sinusodal

Mechanical Shock

100 G’s, 11 mS Half-Sine

S12-275VPD-RGP21

Digital Ferrous Metal Detection Sensor

Electrical Specifications

Conditions

Min

Max

Unit

Temperature Range*

Operating

-40

+110*

Deg C

Supply Voltage, Vcc

Over temperature

+8.0

+30

Volts DC

Supply Current, Output Off

Into Vcc

(typ 8)

+12

mA

Output Current

Continuous

-1

+1

mA

Load Capacitance

Cable and Load

n/a

+1.0

µF

Frequency Range **

Std Programmable

0

500

Hz

Frequency Range **

Max Programmable

0

2000

Hz

Digital Voltage Low Vol

I sink < 1.0 mA

0

(typ 0.2)

Volts

Digital Voltage High Voh

I source < 1.0 mA

4.60

5.5

Volts

Output Rise Time 10-90%

Ro=10k, C<100 pF

-

5

µS

Output Fall Time 90-10%

Ro=10k, C<100 pF

-

5

µS

* T max = 150°C is available, contact factory.

** Frequency, Detection and Hysteresis are Factory Programmable.

Rev D

Absolute Max Limits

Min

Max

Unit

Supply Voltage, Vcc

-24

+30

Volts DC

Voltage at Output

-5

+8.5

Volts

Reverse Supply Current

-

5.0

mA

-10

+10

mA

Vout Short Circuit Duration

-

10

Minutes

Connections Chart

Red

Vcc

White

Digital Vout

Black Ground

P21-275VPD

Functional Characteristics

@25

°C

Min

Typ

Max

Sensor Programming + target ferrous content, shape, &

size will affect gaps

Output State, No Target Present:

Low (~0V)

Detect Large Steel Target

T=25C**

0.350” 0.375” 0.400”

Hysteresis, Large Steel Target

T=25C**

.020”

.050”

.080”

Detect 0.5” ø Steel Target

-

.360”

-

Detect 0.1” ø Steel Target

-

.215”

-

** Frequency,Detectionand Hysteresisare Factory

Programmable andcan be decreaseduponrequest.