Product Detail Manual

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Technical Data

Fluke 772 and 773

Milliamp Process

Clamp Meters

Use the Fluke 772 and 773 to:

• Measure 4 to 20 mA signals without ”breaking the

loop” just like the innovative and popular Fluke 771

Process Milliamp Clampmeter

• Source 4 to 20 mA signals for testing control

system I/O or I/Ps

• Simulate 4 to 20 mA signals for testing control

system I/O

• Measure 4 to 20 mA signals with in-circuit

measurement

• Simultaneously measure mA in-circuit with 24 V

loop power for powering and testing transmitters

• Source mA output signals in a linear ramp or 25 %

step output

– Automatically change the 4 to 20 mA output for

remote testing

• Power saving features, auto-off, backlight timeout

extend battery life

Fluke 773 features:

• DC voltage measurement to verify 24 V power

supplies or voltage I/O signals

• Source dc voltage to test input devices that accept

a 1 to 5 volt or 0 to 10 volt signal

• Scaled mA output provides a continuous mA signal

that corresponds to the 4 to 20 mA signal measured

by the mA clamp

– Output mA signal enables a logging DMM (289)

or other device to record the 4 to 20 mA signal

without breaking the loop

• mA in/out: simultaneously measure the mA signal

with the clamp and source a mA signal

– Apply a mA input signal to a device and measure

its’ 4 to 20 mA output on devices such as valves

or mA isolators

• Voltage output linear ramp or 25 % step output

– Automatically change the voltage output for

remote testing

mA measurements

without breaking

the loop.

Save time.

Save money.

2 Fluke Corporation 772 and 773 Milliamp Process Clamp Meters

Functions

mA measure

w/jaw

mA measure

In circuit mA source mA sim

Loop power

24 V

DCV source

0-10 V

DCV

measure

0-30 V

Scaled mA

output to mA

input mA in/out

771 •

772 •••••

773 •••••••••

Functional specifications

Function Resolution and range Accuracy Notes

771, 772, 773 mA measurement 0 to 20.99 mA 0.2 % + 5 counts Measured by clamp

21.0 mA to 100.0 mA 1 % + 5 counts

772 and 773 mA measurement 0 to 24.00 mA 0.2 % + 2 counts Measured in series with test

jacks

772 and 773 mA source 0 to 24.00 mA 0.2 % + 2 counts Maximum mA drive: 24 mA into

1,000 ohms

772 and 773 mA simulate 0 to 24.00 mA 0.2 % + 2 counts Maximum voltage 50 V dc

773 Voltage source 0 to 10.00 V dc 0.2 % + 2 counts 2 mA maximum drive current

773 Voltage measure 0 to 30.00 V dc 0.2 % + 2 counts

General specifications 772 and 773 (see www.fluke.com/771 for more information on the Fluke 771 specifications)

Influence of earth’s field < 0.12 mA

Battery (4) 1.5 V, Alkaline, IEC LR6

Working hours 12 hours @ 12 mA source into 500 ohms

Size (HxWxL) 772, 773: 41.3 mm x 76 mm x 248 mm (1.625 in x 3 in x 9.75 in)

771: 59 mm x 38 mm x 212 mm, (2.32 in x 1.5 in x 8.35 in)

Weight 772, 773: 415 g (14 oz) 771: 260 g, (9.1 oz)

Operating temperature -10 °C to 50 ºC

Storage temperature -25 °C to 60 °C

Operating humidity < 90 % @ < 30 °C; < 75 % @ 30 ~55 °C

Operating altitude 0 ~ 2,000 m

Storage altitude None

IP rating IP 40

Vibration requirements Random 2 g, 5 Hz to 500 Hz

Drop test Passes 1 meter drop test (except the jaw)

EMI, RFI, EMC

Meets applicable requirements in EN61326-1 Note: For current

measurement w/jaw, add 1 mA to specification for EMC field strengths

of 1 V/m up to 3 V/m

Temperature coefficients 0.1(/°C x specified accuracy for temperature < 18 °C or > 28 °C)

Warranty Three-years, one-year on mA clamp assembly and cable

Ordering information

Fluke-772 Milliamp Process Clamp Meter

Fluke-773 Milliamp Process Clamp Meter

Included accessories

Soft carrying case, test leads, alligator clips, hanging

strap and user’s manual.

772 773

Fluke Corporation

PO Box 9090, Everett, WA 98206 U.S.A.

Fluke Europe B.V.

PO Box 1186, 5602 BD

Eindhoven, The Netherlands

For more information call:

In the U.S.A. (800) 443-5853 or

Fax (425) 446-5116

In Europe/M-East/Africa +31 (0) 40 2675 200 or

Fax +31 (0) 40 2675 222

In Canada (800)-36-FLUKE or

Fax (905) 890-6866

From other countries +1 (425) 446-5500 or

Fax +1 (425) 446-5116

Web access: http://www.fluke.com

©2009 Fluke Corporation. Specifications subject to

change without notice. Printed in U.S.A.

5/2009 3442293 D-EN-N Rev B

Modification of this document is not permitted

without written permission from Fluke Corporation.

Fluke. Keeping your world

up and running.®