TC_LAB datasheet(3/29 Pages) WAVELENGTH

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SAFETY

DEFINITIONS

CHASSIS GROUND Symbol

CAUTION: A condition that has the potential to cause

damage to property or instrument.

WARNING: A condition that has the potential to cause

bodily harm or death.

CAUTIONS

The TC LAB instrument has no user-serviceable

parts. Other than the fuses, the TC LAB instrument is

not designed to be maintained by the user nor does it

contain any parts that can be repaired by the user.

All maintenance and repairs must be performed by

Wavelength or the warranty will be void.

Use a soft cloth to remove dust from the TC LAB

instrument. Do not expose the TC LAB instrument to any

liquids, sprays, or solvents. To avoid electrical shock,

unplug the power cord before cleaning the instrument.

Before connecting to the power source, make sure the

correct cables for your area are set.

WARNINGS

Position the TC LAB instrument so that access to the

Main Power On/Off switch on the back panel is easily

accessed.

Do not use the TC LAB instrument if there is evidence of

damage from shipping; damaged equipment can present

significant safety hazards. If you suspect the TC LAB

instrument is damaged, contact Wavelength technical

support before attempting to operate the instrument.

To avoid electrical shock, use the recommended earth-

grounded power cables and properly earth-grounded,

3-prong receptacles only. Failure to follow this precaution

can result in severe injury.

The instrument may not be operated at measuring

category II, III, and IV mains power circuits. In accordance

with EN 601010-1:2010, the instrument has been

designed without a rated measuring category and may

only be used at direct voltage circuits with up to 240 VAC

without transient overvoltages

Operating safety is no longer assured in the event of

modification or alteration. The instrument may only

be opened by authorized service technicians. Never

operate the instrument at a higher voltage than specified

in the technical data. The instrument may otherwise be

destroyed or permanently damaged.

To avoid injury, do not tell the engineers how to do their

jobs. Let them muddle through until they decide to read

the User Guide.

GENERAL

• Observe all Cautions and Warnings both in the User Guide and

on the instrument.

• This instrument is designed to be safe to at least the following

conditions: indoor use, 6500 ft (2000 m), 80% max. relative

humidity for temperatures up to 31ºC and decreasing linearly

to 50% relative humidity at 40ºC, transient overvoltages to

Overvoltage Category 2, and environmental conditions to

Pollution Degree 2.

• Use the TC LAB instrument as specified in this guide. If not, the

protection provided by this instrument may be impaired and the

warranty will be voided.

• The TC LAB instrument is intended to be used to control

thermoelectrics, resistive heaters, and other similar equipment.

Please contact Wavelength Electronics for other possible

applications.

• The TC LAB instrument must not be operated in explosion

endangered environments.

• Do not operate the TC LAB instrument where liquids are present

or used and do not spill liquid on the instrument.

• The safety of any system that incorporates the use of the TC

LAB series instrument is the sole responsibility of the system

assembler. This includes assembly, mounting, location, special

ambient or application conditions, and connections within the

system.

• Operating outside of the conditions specified in the User Guide

are not recommended for safety reasons.

• Proper setup in the end user’s environment includes:

Adequately sized thermoelectric and heatsink to properly

manage the heat dissipated by the load.

Securely mounted temperature sensor for accurate

temperature control.

Correct connection of the thermoelectric.

Use of the LD Shutdown connection to protect the load.

POWER CORDS

• The power cord acts as the power disconnecting device between

the AC mains and TC LAB instrument.

• This equipment is grounded through the AC power cord

grounding conductor.

• Use only the earth-grounded power cords that are

recommended in this user guide.

• Route power cords and other cables so that they cannot be

damaged.

• Position the TC LAB instrument in a location that makes it easy

to quickly disconnect the power cord.

• To avoid fire hazard, use only the specified power cords with the

correct grounding, voltage, and current ratings.

FUSES

• Disconnect the power to the TC LAB instrument before changing

the fuses.

• To prevent damage to the TC LAB instrument when replacing

fuses, locate and correct the problem that caused the fuse to

blow before re-applying power.

• To avoid fire hazard, use only the specified fuse with the correct

type number, voltage, and current ratings, and use only the

recommended replacement parts.

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