RC171 datasheet(2/3 Pages) ETC2

2 / 3 page

PHILTEC, INC., ANNAPOLIS, MD USA 410-757-4404

800-453-6242

e-mail sensors@philtec.com

SENSOR TIP ALIGNMENT

RC sensors have adjacent ﬁber bundles in

the face of the sensor. An alignment ﬂat

is provided on the casing to aid with align-

ment. The ﬂat is ground parallel to the split

between the adjacent ﬁberoptic bundles,

and located on the light transmitting side.

Features

• Reﬂectance Compensated Output

• Largest Standoff in the RC Series

• 14 mm Operating Range (0.550 inch)

• 600 mv/mm Sensitivity (16 mv/mil)

• 10 mm Standoff Distance (0.400 inch)

Two Instrument Packages To Choose From

This sensor can be provided as an analog or as a digital instrument.

For available options and how to order go to www.philtec.com

ANALOG OUTPUT

A calibration chart is provided with each sensor tip giving the

voltage output response to distance. There are three ways

to derive accurate distance measurements:

a) within the bounds of the linear range, multiply sensitivity

by the change in voltage output

b) create a lookup table using the XY calibration data points

c) use a polynomial curve ﬁt to accurately map the sensor’s

output function

DIGITAL OUTPUT

DMS units provide distance output via RS232. Gap cali-

bration data is stored on board DMS units. They provide

accurate distance measurements over the sensor’s entire

operating range using a 24 bit internal lookup table. They

have storage capacity for many additional calibrations.

3.5 (88.9)

4.0 (101.6)

6.0 (152.4)

6.5 (165)

7.0 (177.8)

2.25 (57.2)

0.190 (4.8)

0.125 (3.2)

DMS

DIMENSIONS

4 Places

inches (mm)

5.52 (140)

4.39 (112)

5.07 (129)

1.4 (35.6)

2.38 (60.5)

0.063 (1.6)

1.28 (32.6)

.157 x .375

mini-DMS

DIMENSIONS

inches (mm)

(4 x 9.5)

Mini-

DMS units are full-featured for PC operation only,

they are not equipped with keypad/display.

Analog sensors are fast responding units ideal

for relative motion measurements in dynamic

applications:

• DC-20 KHz is standard

• DC-200 KHz or higher is optional

• DC-100 Hz provides best resolution

Standard analog units include:

• Electronics with 0 to +5 VDC output

• 3 foot long ﬁberoptic cable

Displacement Measurement Systems (DMS) are

the best choice for absolute distance measurements,

multiplexing and process control applications, with data

rates up to 5,000 readings/second. Two sizes are avail-

able:

Standard

DMS units include:

• Electronics with RS-232 communication

• Keypad/LCD for local operation

2.15 (54.6)

3.24 (82.4)

4.36 (110.8)

5.028 (127.7)

5.48 (139.2)

1.87 (47.6)

0.157 x 0.375

0.063 (1.6)

ANALOG RC

DIMENSIONS

4 Slots

inches (mm)

AMPLIFIER

(4 x 9.5)

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