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testo thermocouple adapter type K (0590 0021)
for clamp meter
Instruction manual [en]
0970 0705 en 01 V01.00
Overview
Instrument
Explanation of icons
Attention! Warning about
a danger spot, refer to
instruction manual
Caution! Dangerous voltage,
risk of electric shock
Continuous double or
reinforced insulation in
accordance with category II
DIN EN 61140/IEC 536
1 Thermocouple connection
2 LED
3 Battery compartment (at rear)
4 JCOM jack contact
5 V jack contact
Conformity mark, verifies
compliance with the valid
EU Directives: EMC Directive
(2014/30/EU) with the
standard EN 61326-1
The instrument complies with
the WEEE Directive
(2012/16/EU)
Observe prior to use!
• The instruction manual contains information and instructions which are necessary for
operating and using the instrument safely. Before using the instrument, read the instruction
manual carefully and comply with all aspects of it. Keep this document to hand so that you
can refer to it when necessary. Forward this documentation to any subsequent users of the
instrument.
• If the manual is not followed, or if you fail to observe the warnings and instructions, there is
a risk of fatal injury to the user and damage to the instrument.
Safety instructions
• The instrument may only be used by trained personnel. During all operations, please
observe the Employers' Liability Insurance Association provisions for health and safety at
work.
• In order to prevent electric shock, take safety precautions when working with voltages
greater than 120 V (60 V) DC or 50 V (25 V) rms. AC. These values are the limit for contact
voltages in accordance with DIN VDE (values in brackets apply to restricted areas,
for example agricultural sectors).
• The instrument may only be touched at the designated grip areas, the display elements
must not be covered.
• Maintenance work that is not described in this documentation must only be carried out by
trained service technicians.
• If the instrument is modified in any way, operational safety cannot be guaranteed.
• If there is any battery leakage, the instrument must not be used until it has been checked by
our Customer Service.
• The battery acid (electrolyte) is highly alkaline and electrically conductive. Risk of acid burn!
If the battery acid comes into contact with your skin or clothing, thoroughly rinse the areas
affected immediately with plenty of water. If battery acid gets into your eyes, rinse them
immediately with plenty of water and seek medical advice.
• Measurements may only be taken near electrical installations under the direction of an
authorised qualified electrician - never alone.
• The instrument may only be used under the conditions and for the purpose for which it was
designed. To be observed in particular are the safety instructions, technical data with ambient conditions, and use in dry environments.
• The multimeter or clamp meter jacks not in use are to be covered by the protection of the
thermocouple adapter.
• When using the thermocouple adapter, never connect a measurement cable to one
of the free jacks of the multimeter. Nothing other than the thermocouple adapter may
be connected to the multimeter. The thermocouple is not galvanically isolated from the
measurement circuit or clamp meter which means there is a risk of electric shock.
• Check and replace batteries, if necessary, before use.
• Always store in a dry place.
• If operator safety can no longer be guaranteed, the instrument is to be taken out of service
and prevented from being inadvertently used. This is the case if the instrument:
• Is obviously damaged. e.g.
- Housing breakages
- Defective measurement cables
- Leaking batteries
• Does not carry out the required measurements
• Has been stored too long in unfavourable conditions
• Has been exposed to mechanical stresses during transit.
• Protect from direct solar radiation to prevent the instrument from heating up. This is the only
way to guarantee the instrument will function perfectly and have a long service life.
• To prevent electric shocks, never use this instrument in places, with electrical equipment,
or on surfaces where there is a dangerous voltage.
Intended use
The instrument may only be used in the fields of application defined in the instruction manual.
Any application deviating from this is considered to be improper and unchecked use and may
result in accidents or instrument damage. Any improper use will completely void any right to
claims under Testo’s guarantee and warranty.
The manufacturer is not responsible for damage to property or personal injury caused by the
following:
• Failure to comply with the instruction manual
• Modifications to the instrument not approved by the manufacturer
• The use of spare parts not approved by the manufacturer
• Use when under the influence of alcohol, drugs, or medication
For temperature differences, thermocouples measure a point between a measuring point
and a reference point. The thermocouple adapter uses an electronic reference point.
The thermocouple adapter must be used within the specified ambient conditions.
The instrument must not be used for the following purposes:
• In potentially explosive atmospheres: the instrument is not explosion-proof!
• When it rains: risk of electric shock!
Technical data
Specifications valid at 23 °C ± 5 °C, < 80% relative humidity:
Feature Value
Measuring range -20 °C to +500 °C
Resolution 0.2 °C
1
Accuracy
-20 to 0 °C ± 2 °C
Max. voltage at
thermocouple input
Power supply 1 x round cell type CR2032
Battery life approx. 150 h
Dimensions (WxHxD) 35 mm x 75 mm x 20 mm
Temperature range Operation: 0 to 50 °C
Humidity 0 to 90% (0-35 °C)
Weight Approx. 100 g
Connector 3/4 inch banana jack
Warranty Duration: 2 years
1
The basic accuracy does not make allowances for the tolerance of the thermocouple or the
multimeter/clamp meter. Refer to the respective instruction manuals for the tolerances of these
devices.
0 to 100 °C ± 1 °C
100 to 250 °C ± 1.5 % of m.v.
>250 °C ± 2%
25 V DC/15 V AC
Storage: -15 to 60 °C
0 to 70% (35-50 °C)
Taking temperature measurements
testo 770
The contents of the testo 770 documentation must have first been read and understood.
- The instrument is in AUTO V mode.
1. Connect the thermocouple adapter to the instrument: Insert the adapter into the jacks.
Ensure correct polarity!
- The thermocouple adapter switches on automatically.
2. Activate temperature measuring: Press [ZERO] > 2 seconds.
- The measured values are indicated in °C and °F on the LC display.
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Service and maintenance
Replacing the batteries
If the battery voltage is high enough, the LED lights up green. When batteries start running out,
the LED lights up red, which means the batteries need changing soon.
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Maintenance
When operated in accordance with the instruction manual, the instrument does not require any
particular maintenance. If a malfunction occurs during operation, the ongoing measurement
should be stopped immediately. Send the instrument to Testo Service for checking.
Storage
batteries in order to prevent any danger or damage due to any potential leaking of the
batteries.
Cleaning
other connected instruments (e.g. multimeter).
Never use any harsh cleaning agents or solvents to clean the instrument! After being cleaned,
the instrument must not be used until it has completely dried.
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Protecting the environment
specifications.
electronic devices (observe local regulations) or return the product to Testo for disposal.
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