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PRV240

Proving Unit

Instruction Sheet

Introduction

The PRV240 Proving Unit (the Product) is an 

electronic voltage source. This Product provides 

a safe, risk free, and easy method to verify proper 

operation of a test tool. Use it to verify either an 

energized source or a de-energized source. Also 

use it in cases where no known voltage source is 

available to verify a test tool. 
The Product does not require personal protective 

equipment (PPE) unless your environment 

requires minimal PPE such as a hard hat, safety 

glasses, or ear plugs.

How to Contact Fluke

To contact Fluke, call one of the following 

telephone numbers:

 

Technical Support USA: 1-800-44-FLUKE  

(1-800-443-5853)

 

Calibration/Repair USA: 1-888-99-FLUKE  

(1-888-993-5853)

 

Canada: 1-800-36-FLUKE (1-800-363-5853)

 

Europe: +31 402-675-200

 

Japan: +81-3-6714-3114

 

Singapore: +65-6799-5566

 

Anywhere in the world: +1-425-446-5500

Or, visit Fluke's website at 

www.fluke.com

.

To register your product, visit  

http://register.fluke.com

.

To view, print, or download the latest manual 

supplement, visit  

http://us.fluke.com/usen/support/manuals

.

Safety

Warning

 identifies conditions and procedures 

that are dangerous to the user.



 Warning

To prevent possible electrical shock, fire, 

or personal injury:

 

Read all safety information before you 

use the Product.

 

Carefully read all instructions.

 

Do not alter the Product and use only as 

specified, or the protection supplied by 

the Product can be compromised.

 

Do not touch voltages >30 V ac rms, 

42 V ac peak, or 60 V dc.

 

Do not use the Product around 

explosive gas, vapor, or in damp or wet 

environments.

 

Do not use the Product if it operates 

incorrectly.

PN 4571866  November 2014, Rev. 1, 11/16

© 2014-2016 Fluke Corporation. All rights reserved.  

Product specifications are subject to change without notice. 

 

 

 

Examine the case before you use the 

Product. Look for cracks or missing 

plastic. Carefully look at the insulation 

around the terminals.

 

Do not use the Product if it is altered or 

damaged.

 

Remove the batteries if the Product is 

not used for an extended period of time, 

or if stored in temperatures above 50 °C. 

If the batteries are not removed, battery 

leakage can damage the Product.

 

You must close and lock the battery 

door before you operate the Product.

 

Replace the batteries when the low 

battery indicator shows to prevent 

incorrect measurements.

Symbols

Symbols used in the instructions or on the Product 

are shown in Table 1.

Table 1. Symbols

Symbol

Definition

Risk of danger. Important information. 

See manual.

Hazardous voltage.

Battery

Certified by CSA Group to North 

American safety standards.

Conforms to relevant Australian EMC 

standards.

Conforms to European Union directives.

Conforms to relevant South Korean EMC 

Standards.

This product complies with the WEEE 

Directive marking requirements. The 

affixed label indicates that you must 

not discard this electrical/electronic 

product in domestic household waste. 

Product Category: With reference to 

the equipment types in the WEEE 

Directive Annex I, this product is classed 

as category 9 "Monitoring and Control 

Instrumentation" product. Do not dispose 

of this product as unsorted municipal 

waste.

Operation

Table 2 shows the locations for the controls and 

interface of the Product.
Use the Product to verify operation of a test tool at 

240 V ac or 240 V dc.
To use:
1.  Select the AC or DC function with the 

selection switch on the side.

2.  Place the red probe of the test tool into the (+) 

terminal and press down firmly.

3.  Place the black probe of the test tool into the 

(-) terminal and press down firmly. 

4.  Make sure the meter reading of the Product is 

valid for the test function.

For low impedance test tools, the output voltage 

should be sourced at >50 V ac or dc. It is 

recommended to test both the ac and dc functions 

of the test tool.

Table 2. Overview of PRV240

SOURCE ONLY

1

4

3

2

hvj02.eps

Item

Description

Voltage selection

+ Terminal

 Terminal

Power indicator

Battery Installation/Replacement



 Warning

To prevent possible electrical shock, fire, 

or personal injury:

 

Do not operate the Product with covers 

removed or the case open. Hazardous 

voltage exposure is possible.

 

Repair the Product before use if the 

battery leaks.

 

Have an approved technician repair the 

Product.

To install or replace the batteries:

1.  Turn the battery-door latch until the unlock 

symbol aligns with the arrow.

2.  Lift off the battery door.

3.  Insert or replace the four AA batteries. Use 

the correct battery orientation.

4.  Install the battery door.

5.  Turn the battery-door latch until the locked 

symbol aligns with the arrow.

Specifications

Output voltage

240 V ac rms or dc ........... ±10 % 

1 MΩ

LoZ >3 kΩ load

 ................ 60 V ac typical

50 V ac rms minimum

Output loading

 ...................... See Figure 1

LED power indicator

 ......... Turns on when output voltage is 

present

Battery

 ...................................

4 x AA Alkaline batteries NEDA 24 A 

IEC LR03

Battery life

 ............................. 5000 (5-second duration) test cycles 

with >1 MΩ load, 300 tests minimum 

with >3 kΩ  load

Operating temperature

 ..... -10 °C to +50 °C

Operating humidity

 ........... 0 % to 90 % (0 °C to 35 °C)

0 % to 70 % (35 °C to 55 °C)

Operating altitude

 ............. 2000 m

Dimensions

 .......................

11.7 cm x 7.4 cm x 2.8 cm
(4.6 in x 2.9 in x 1.1 in)

Weight

 ................................ 0.23 kg (8 oz) 

includes batteries

Safety

 ................................. IEC61010-1, IEC61010-2-030

Electromagnetic Compatibility (EMC)

  International .......................... IEC 61326-1: Controlled 

Electromagnetic Environment

CISPR 11: Group 1, Class A

Group 1: Equipment has intentionally generated and/or uses 

conductively-coupled radio frequency energy that is necessary 

for the internal function of the equipment itself.
Class A: Equipment is suitable for use in all establishments 

other than domestic and those directly connected to a low-

voltage power supply network that supplies buildings used 

for domestic purposes. There may be potential difficulties in 

ensuring electromagnetic compatibility in other environments 

due to conducted and radiated disturbances. 
Caution: This equipment is not intended for use in residential 

environments and may not provide adequate protection to 

radio reception in such environments.
Emissions that exceed the levels required by CISPR 11 can 

occur when the equipment is connected to a test object.

Korea (KCC) ........................... Class A Equipment (Industrial 

Broadcasting & Communication 

Equipment)

Class A: Equipment meets requirements for industrial 

electromagnetic wave equipment and the seller or user 

should take notice of it. This equipment is intended for use in 

business environments and not to be used in homes.

USA (FCC) .............................. 47 CFR 15 subpart B. This product 

is considered an exempt device per 

clause 15.103.

LIMITED WARRANTY AND LIMITATION OF LIABILITY

This Fluke product will be free from defects in material 

and workmanship for one year from the date of purchase. 

This warranty does not cover fuses, disposable batteries, 

or damage from accident, neglect, misuse, alteration, 

contamination, or abnormal conditions of operation or 

handling. Resellers are not authorized to extend any other 

warranty on Fluke’s behalf. To obtain service during the 

warranty period, contact your nearest Fluke authorized service 

center to obtain return authorization information, then send 

the product to that Service Center with a description of the 

problem.
THIS WARRANTY IS YOUR ONLY REMEDY. NO OTHER 

WARRANTIES, SUCH AS FITNESS FOR A PARTICULAR 

PURPOSE, ARE EXPRESSED OR IMPLIED. FLUKE IS NOT 

LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR 

CONSEQUENTIAL DAMAGES OR LOSSES, ARISING FROM 

ANY CAUSE OR THEORY. Since some states or countries 

do not allow the exclusion or limitation of an implied warranty 

or of incidental or consequential damages, this limitation of 

liability may not apply to you.

Fluke Corporation

Fluke Europe B.V.

P.O. Box 9090

P.O. Box 1186

Everett, WA  98206-9090

5602 BD Eindhoven

U.S.A.

The Netherlands

11/99

Fluke Corporation certifies this Product was tested and 

verified with applicable calibration procedures during the 

manufacturing process. Fluke’s quality system controls these 

procedures.
The instruments used during the testing and calibration of 

this Product are traceable to SI units through internationally 

recognized measurement standards.

This document is not a certificate of calibration or traceability.

To obtain a certificate of calibration contact the nearest 

Fluke service center to process an order to have your 

Product returned for calibration. A nominal fee is charged for 

calibration service.

0

50

100

150

200

250

300

1 K

10 K

100 K

1 M

10 M

2 K

V ac

Load Resistance

Figure 1.

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