Ametek MTC-650 A MKII Operating Manual

User Manual

Marine Temperature Calibrator

Jofra MTC-650 A MKII

User Manual

Marine Temperature Calibrator

JOFRA MTC-650 A MKII

List of contents

1.0 Introduction ....................................................................................................................... 3

1.1 List of equipment received........................................................................................................ 3

2.0 Safety instructions ............................................................................................................ 4

3.0 Setting up the calibrator ................................................................................................... 7

3.1 Before use ................................................................................................................................ 7

3.2 Keypad - Functions ................................................................................................................ 10

3.3 Display ................................................................................................................................... 10

3.4 Connections ........................................................................................................................... 11

3.5 Stability of temperature values ............................................................................................... 11

4.0 Operating the calibrator .................................................................................................. 13

4.1 Operating principle ................................................................................................................. 13

4.2 System menu ......................................................................................................................... 13

4.3 Starting the calibrator ............................................................................................................. 15

4.4 Stability setting ....................................................................................................................... 15

4.5 Selecting the set-temperature ................................................................................................ 16

4.5.1 Editing the preset set-temperature .............................................................................. 17

4.6 Auto Step function .................................................................................................................. 17

4.6.1 Running an Auto Step test .......................................................................................... 17

4.6.2 The calibrator's Auto Step procedure .......................................................................... 18

4.7 Switch Test function ............................................................................................................... 19

4.7.1 Running a Switch Test ................................................................................................ 19

4.7.2 The calibrator's Switch Test procedure ....................................................................... 20

5.0 Setting the mains voltage and replacing the main fuses ............................................. 22

5.1 Replacing the main fuses ....................................................................................................... 22

6.0 After use ........................................................................................................................... 23

6.1 Storing and transporting the calibrator .................................................................................... 23

6.2 Switching off the calibrator ..................................................................................................... 24

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1.0 Introduction

The MTC-calibrator is a fast, timesaving, and reliable true industrial temperature calibrator designed for on-site use calibrating temperature sensors and temperature switches.

Read this manual carefully before using the instrument and make sure that all safety instructions and warnings are observed.

1.1 List of equipment received

When you receive the instrument, the following should be enclosed:

• 1 MTC Calibrator

• 1 USB memory stick containing electronic Reference manual and software package

JOFRACAL

• 1 mains cable

• 1 sets of test leads and test clips (black and red)

• Thermal protection shield

• 1 tool for insertion tube

• 1 USB cable

• 1 Calibration certificate (International traceable)

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instructions and warnings must be observed.

Disposal

These

disposed of properly (in accordance with the WEEE Directive 20

using compressed air!

2.0 Safety instructions

Read this manual carefully before using the instrument!

In order to avoid any personal injuries and/or damage to the instrument all safety

– WEEE Directive

calibrators contain Electrical and Electronic circuits and must be recycled or

Warning

About the use:

• The calibrator must not be used for any purposes other than those described in this manual, as protection provided by the calibrator may be impaired and it might cause a hazard.

• The calibrator has been designed for indoor use only and is not to be used in wet locations.

• The calibrator is not to be used in hazardous areas, where vapour or gas leaks, etc. may constitute a danger of explosion.

• The calibrator is not designed for operation in altitudes above 2000 meters.

•

The calibrator is a CLASS I product and must be connected to a mains outlet with a protective earth connection. Ensure the ground connection of the calibrator is properly connected to the protective earth before switching on the calibrator. Always use a mains power cable with a mains plug that connects to the protective earth.

12/19/EU).

• To ensure the connection to protective earth any extension cord used must also have a protective earth conductor.

• Only use a mains power cord with a current rating as specified by the calibrator and which is approved for the voltage and plug configuration in your area.

• Always make sure to position the power cord and other connected cables in a secure way to prevent the risk of personnel falling.

• To prevent the calibrator from tipping over and causing damage to equipment or systems, please avoid pulling the cables connected to the calibrator.

• Before switching on the calibrator make sure that it is set to the voltage of the mains electricity supply.

• Always position the calibrator to enable easy and quick disconnection of the power source (mains inlet socket).

• The calibrator must be kept clear within an area of 20 cm on all sides and 1 metre above the calibrator due to fire hazard.

• Never use heat transfer fluids such as silicone, oil, paste, etc. in the dry-block calibrators. These fluids may penetrate the calibrator and cause electrical hazard, damage or create poisonous fumes.

• The calibrator must be switched off before any attempt to service the instrument is made. There are no user serviceable parts inside the calibrator.

• When cleaning the well or the insertion tube, REMEMBER to wear goggles when

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holders are prohibited and may cause a hazard.

•

• Remember to use appropriate protective equipment or get help when carrying the

calibrator (for a longer distance) in order to prevent injuries from dropping the calibrator.

About the front panel:

• The connectors, on the front panel of the calibrator, must NEVER be connected to a voltage source.

• Thermostats connected to the switch test input must not be connected to any other voltage source during a test.

About the insertion tubes and insulation plug:

• Never leave hot insertion tubes which have been removed from the calibrator unsupervised – they may constitute a fire hazard or personal injury.

If you intend to store the calibrator in the optional aluminium carrying case after

use, you must ensure that the instrument has cooled down to a temperature below 50°C/122°F before placing it in the carrying case.

• Never place a hot insertion tube in the optional carrying case.

About the fuses:

• The fuse box must not be removed from the power control switch until the mains cable has been disconnected.

• The two main fuses must have the specified current and voltage rating and be of the specified type. The use of makeshift fuses and the short-circuiting of fuse

Caution – Hot surface

This symbol is visible on the grid plate.

Do not touch the grid plate, the well or the insertion tube as the calibrator is

heating up – they may be very hot and cause burns.

Do not touch the tip of the sensor when it is removed from the insertion

tube/well – it may be very hot and cause burns.

Do not touch the handle of the calibrator during use – it may be very hot and

cause burns.

Over 50°C/122°F

If the calibrator has been heated up to temperatures above 50°C/122°F, you must wait until the instrument reaches a temperature below 50°C/122°F before you switch it off.

Do not remove the insert from the calibrator before the insert has cooled down to

less than 50°C/122°F.

Caution…

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About the use:

• Do not use the instrument if the fan is out of order.

• Before cleaning the calibrator, you must switch it off, allow it to cool down and

remove all cables.

well to avoid damage to the instrument.

in this manual or uses unauthorised spare parts.

About the well, insertion tube and grid plate:

• The well and the insertion tube must be clean and dry before use.

• Do not pour any form of liquids into the well. It might damage the well or cause a

hazard.

• Scratches and other damage to the insertion tubes should be avoided by storing the insertion tubes carefully when not in use.

• The insertion tube must never be forced into the well. The well could be damaged as a result, and the insertion tube may get stuck.

• Before using new insertion tubes for the calibration, the insertion tubes must be heated up to maximum temperature 650°C (1202°F) for a period of minimum 30 minutes.

• The insertion tube must always be removed from the calibrator after use.

The humidity in the air may cause corrosion oxidation on the insertion tube inside the instrument. There is a risk that the insertion tube may get stuck if this is allowed to happen.

• If the calibrator is to be transported, the insertion tube must be removed from the

Note…

The product liability only applies if the instrument is subject to a manufacturing defect. This liability becomes void if the user fails to follow the instructions set out

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mains electricity supply.

3.0 Setting up the calibrator

ENVIRONMENTAL SPECIFICATIONS

Ambient operating temperature range: 0-50°C / 32-122°F Storage temperature range: -20-50°C / -4-122°F Humidity range: 5-90% RH, non-condensing IP protection class: IP10 Altitude: 0-2000 m Electromagnetic Compatibility:

POWER SUPPLY SPECIFICATIONS Line voltage/frequency: 90-127VAC / 180-254VAC 47-63 Hz IEC protection class: Class I Power consumption:

Tested for use in domestic establishment and in establishments directly connected to low voltage power supply network which supplies buildings used for domestic purposes as well as in an industrial electromagnetic environment as described in EN61326-1:2013.

1150 VA max.

3.1 Before use Warning

• The calibrator has been designed for indoor use only and is not to be used in wet locations.

• The calibrator is not to be used in hazardous areas, where vapour or gas leaks, etc. may constitute a danger of explosion.

• The calibrator is not designed for operation in altitudes above 2000 meters.

• The calibrator is a CLASS I product and must be connected to a mains outlet

with a protective earth connection. Ensure the ground connection of the calibrator is properly connected to the protective earth before switching on the calibrator. Always use a mains power cable with a mains plug that connects to the protective earth.

• To ensure the connection to protective earth any extension cord used must also have a protective earth conductor.

• Only use a mains power cord with a current rating as specified by the calibrator and which is approved for the voltage and plug configuration in your area.

• Always make sure to position the power cord and other connected cables in a secure way to prevent the risk of personnel falling.

• To prevent the calibrator from tipping over and causing damage to equipment or systems, please avoid pulling the cables connected to the calibrator.

• Before switching on the calibrator make sure that it is set to the voltage of the

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above the calibrator due to fire hazard.

cause burns

•

Always position the calibrator to enable easy and quick disconnection of the power source (mains inlet socket).

•

The calibrator must be kept clear within an area of 20 cm on all sides and 1 metre

Caution – Hot surface

This symbol is visible on the grid plate.

• Do not touch the grid plate, the well or the insertion tube as the calibrator is heating up – they may be very hot and cause burns.

•

Do not touch the handle of the calibrator during use – it may be very hot and

When setting up the calibrator, you must… (cf. the figure this page):

1. Place the calibrator on an even horizontal surface where you intend to use it and away from all draughts. The calibrator must be kept clear within an area of 20 cm on all sides and 1 metre above the calibrator due to fire hazard.

Caution…

Do not use the instrument if the internal fan is out of order

2. Ensure a free supply of air to the internal fan located at the bottom of the instrument (pos.

1). The area around the calibrator should be free of draught, dirt, flammable substances etc.

3. Check that the fuse size corresponds to the applied voltage on (pos. 2). The fuse is

contained in the power control switch (on/off switch (230V/115V)).

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+ 18 hidden pages