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Electronic stroboscopes, Iet labs, inc, Gen r ad – Atec Genrad-1531-AB User Manual

Page 2: Ordering information, Features, Specifications

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ORDERING INFORMATION

Catalog Number

Item

Voltage Model (V)

1531-9430

1531-AB

115

1531-9440

1531-AB

230

1538-9701

1538-A

115

1538-9702

1538-A

230

INCLUDES:

Calibration Certifi cate Traceable to NIST
Adjustable Neck Strap
Phone plug for input and output jacks
Power Cord

Features

Power:

100 to 125 V, or 200 to 250 V, 50 to 400 Hz, 25 W

max for 1531, 15 W max for 1538; 1538 can also be

powered from 20 to 30 V DC, 12 W max.

Mechanical:

Flip-Tilt Case.

Dimensions:

16.8 cm H x 27.0 cm W x 15.6 cm D

(6.63" x 10.63" x 13")

Weight:

3.5 kg (7.5 lb.) net, 4.6 kg (10 lb.) shipping

SPECIFICATIONS

SERIES 1531-AB:


Flash Rate:

110 to 25,000fpm in 3 ranges; speeds up to

250,000rpm

can

be

measured.

Accuracy:

±1% of reading after calibration on one

range against 50-to-60Hz line frequency.

External Trigger: Input and output connections are phone
jacks.

Input: Contact opening, pulse

≥ +6V pk-pk,

or

sinewave

≥ 2V rms for f>5Hz.

Output: Negative pulse

≥ 500 to1000V.

Light Output:

Beam width 10º degrees at ½-intensity

points.

Flashes per

minute

Duration*

(μs)

Energy**

(watt-seconds)

Beam intensity***

(candela)

at 690

3

0.5

11 x 10

6

at 4170

12

0.09

3.5 x 10

6

at 25,000

0.8

0.014

0.6 x 10

6

* Measured at 1/3 peak intensity.

** Electrical input to lamp.

*** Measured with silicon photo detector 1 meter from lamp;

single-fl ash beam intensity is 18 x 106 candela

SERIES 1538-A:

Flash Rate:

110 to 150,000fpm in 4 ranges; speeds up

to 1,000,000 rpm can be measured.

Accuracy:

1% of reading after calibration on 670-to-

4170fpm range against 50-to-60Hz line

frequency.
External Trigger: Input and output connections are phone
jacks.
Input:

Contact

closure,

pulse

≥ +1V pk-pk,

or

sinewave

≥ 0.35V rms for f>5Hz (3.5V at

10Hz)
Output:

≥ +6V behind 400

Ω.

Light Output:

Beam width 10º at ½-intensity points.

* Measured at 1/3 peak intensity.
** Electrical input to lamp.

*** Measured with silicon photo detector 1 meter from lamp; single-
fl ash beam intensity with - P4 is 44 x 10

6

candela

Flashes per

minute

Duration*

(μs)

Energy**

(watt-seconds)

Beam intensity***

(candela)

at 690

3

0.5

15 x 10

6

at 4170

1.2

0.09

5 x 10

6

at 25,000

0.8

0.014

1 x 10

6

at 150,000

0.5

0.0023

0.16 x 10

6

OPTIONS
Calibration Data
1538-9601 1538-P1 Replacement Strobotron Flash Lamp,

for 1531/1538

Accessories for 1538-A only:

1538-9602

1538-P2 Extension Lamp

1538-9603 1538-P3 Battery and Charger

1538-9604 High Intensity -Flash Capacitor; increases output

534 Main Street, Westbury, NY 11590

IET LABS, INC.

in the

G

en

R

ad

Tradition

www.ietlabs.com

TEL: (516) 334-5959 • (800) 899-8438 • FAX: (516) 334-5988

Con tents

p. 2

Applic.
pp. 4-8

Selection

pp. 9-11

Products

pp. 12-87

GenRad

prod ucts

pp. 50-87

Index

p. 89

73

Electronic Stroboscopes

1531-AB and 1538-A Strobotac

1531-AB and 1538-A Strobotac®® Series

Series

p. 2 of 2

1531-38/p2/2/05-01-06