HT instruments HT204 User Manual

ENGLISH

User’s manual

© Copyright HT ITALIA 2012 Release EN 1.01 - 09/02/2012

HT204

Table of contents:

1. SAFETY PRECAUTIONS AND PROCEDURES ............................................................. 2

1.1. Preliminary ............................................................................................................ 2

1.2. During use ............................................................................................................. 2

1.3. After use ................................................................................................................ 2

2. GENERAL DESCRIPTION .............................................................................................. 3

2.1. Features ................................................................................................................ 3

2.2. Instrument description ........................................................................................... 3

2.3. Description of function keys ................................................................................... 3

2.3.1. ON/OFF key .................................................................................................................. 3

2.3.2. M-H key ......................................................................................................................... 3

2.3.3. W/B key ......................................................................................................................... 4

2.3.4. D-H key ......................................................................................................................... 4

2.3.5. R key ............................................................................................................................. 4

3. PREPARATION FOR USE .............................................................................................. 4

3.1. Initial ...................................................................................................................... 4

3.2. Power supply ......................................................................................................... 4

3.3. Calibration ............................................................................................................. 4

3.4. Storage .................................................................................................................. 4

4. OPERATING INSTRUCTIONS ........................................................................................ 5

4.1. Measurement description ...................................................................................... 5

5. PREVENTIVE MAINTENANCE ....................................................................................... 5

5.1. General information ............................................................................................... 5

5.2. Battery replacement .............................................................................................. 5

5.3. Cleaning ................................................................................................................ 5

5.4. End of life .............................................................................................................. 5

6. TECHNICAL SPECIFICATIONS ..................................................................................... 6

6.1. Characteristics ....................................................................................................... 6

6.1.1. General data .................................................................................................................. 6

6.2. Environment .......................................................................................................... 6

6.2.1. Environmental conditions .............................................................................................. 6

6.3. Accessories ........................................................................................................... 6

6.3.1. Standard accessories .................................................................................................... 6

7. SERVICE ......................................................................................................................... 7

7.1. Warranty conditions ............................................................................................... 7

7.2. Service .................................................................................................................. 7

EN - 1

HT204

1. SAFETY PRECAUTIONS AND PROCEDURES

This meter is in compliance with safety standard EN 61010-1 related to electronic
measuring instruments. For your own safety and to avoid damaging the instrument follow
the procedures described in this instruction manual and read carefully all notes preceded

by this symbol . When taking measurements:

• Avoid doing that in humid or wet places

• Avoid doing that in rooms where explosive gas, combustible gas, steam or excessive

dust is present

• Avoid doing that if you notice anomalous conditions such as breakages, deformations,
fractures, leakages of battery liquid, blind display etc

The following symbol is used:

Caution: refer to the instruction manual. An incorrect use may damage the
luxmeter or its components.

1.1. PRELIMINARY

• Before turning on the instrument make sure that the battery is correctly installed.

• Don’t touch the sensor during measurements to prevent any damage due to

1.2. DURING USE

Always keep to the instructions contained in this manual.

• If the reading value or the sign indication remains unchanged during the

1.3. AFTER USE

Replace the battery as soon as the low battery indication (“ ”) is displayed
contamination or static electricity

CAUTION

An improper use may damage the instrument and/or its components or
injure the operator.

measurement, check if the DATA HOLD function is active

• After using the instrument turn it off

• If you expect not to use the instrument for a long period remove the battery to avoid

leakages of battery liquids which may damage its inner components

EN - 2