TIS CHECKBOX, TIS172ML, TIS173DB, TIS25 Instruction Manual

NOTE
THE INSTRUMENT MUST ONLY BE USED BY SUITABLY

TRAINED AND COMPETENT PERSON(S).

INSTRUCTION MANUAL VERSION 1.00

TIS CHECKBOX

1

CONTENTS

Introduction & Safety

2-3

Checkbox Description & Maintenance

4-6

Checkbox Operation

7-9

Technical Specification

10

Recommended Verification Sequence Record Form

11

Warranty Information

12

Optional Accessories / Test Leads:

Part Number: TIS172ML Description: Universal three wire 4mm 13A Mains lead.
Part Number: TIS173DB Description: Three wire distribution board lead set complete with crocodile

clips and probes.
Part Number: TIS25 Description: Universal large padded carry case.

INTRODUCTION & SAFETY

2

INTRODUCTION & SAFETY

TIS Checkbox is a professional, multifunctional field checkbox, intended for use with all makes and models of
installation test instruments.

In addition to its durable body and simple operation it boasts the following features:

 Insulation calibration with test voltages up to 1000 V,
 LowΩ and continuity accuracy verification,
 Continuity and insulation of measurement leads verification,
 Hi Current and “No-trip loop” impedance measurement verification
 Verification of RCD trip-out time measurement, including test current verification - 30 mA X1/X5.
 Voltage and frequency calibration (A calibrated Multimeter to be used to verify mains voltage &

frequency).
Recommended Multimeter(s):
TIS201 TIS280

Please visit our web site: www.testinstrumentsolutions.co.uk to explore the full range of test instruments we
provide.

The TIS Checkbox is designed for accuracy verification whilst on-site testing, this product does not
replace the need to have the instrument calibrated periodically.

(Please refer to the manufacturers recommended calibration interval)

3

Safety Warnings and Precautions must be read and understood before the instrument is used.
It is advised that the user is observed during use.

 The instrument should not be used if any part of it is damaged.
 Replacement fuses must be of the correct type and rating, failure to fit the correctly rated fuse

may result in a safety hazard / damage to the TIS Checkbox.

 The polarity of the mains input must be verified before powering the TIS Checkbox, failure to do

so may result in a safety hazard / damage to the TIS Checkbox.

 Damaged leads / accessories must not be used in conjunction with the TIS Checkbox as this

may result in a safety hazard / damage to the TIS Checkbox.

 Do not use the TIS Checkbox on supply systems with a voltage greater than 250V.
 Do not disassemble, risk of electric shock – service intervention or adjustment procedure is

allowed to be carried out only by a competent authorized person.

Caution: Risk of Electric Shock

Equipment protected throughout by Double Insulation (Class II)

Equipment complies with relevant EU Directives

Do not dispose in normal waste stream.

The TIS Checkbox is manufactured and tested to the following standards:

 EN 61326 – Electromagnetic Compatibility Regulations.
 EN 61010 – Safety Regulations.