Built-In Reference Temperature Sensor; Safety Thermostat; Fan; Commissioning - LR-Cal PYROS 140-2L Bedienungsanleitung

PYROS Temperaturkalibratoren
MANUAL
PYROS Dry Block Temperature Calibrators

6.5.5 Built-in reference temperature sensor

The internal reference sensor is used for the reading and thermoregula on. It is placed directly in
the metal block (see Fig. 3 in chapter 4).

6.5.6 Safety thermostat

Cal
The models LR- PYROS 375
break of the internal reference sensor is found or if maximum temperature of the block is
exceeded, the thermostat blocks further opera on of the instrument.
If „ " is shown on the display, the temperature in the unit is above the limit. Ht
• Wait for a cooling of the instrument. The temperature must decrease at least 60...80°C below
the maximum temperature set point of your model.
• Switch off the instrument, a er a few seconds, switch on again.
• If s ll „ " is displayed, the instrument must be sent back to your supplier for repair. Ht
(Set points of the safety thermostat depens on the model: model
±10°C and model LR-Cal

6.5.7 Fan

Cal
The models LR- PYROS 140-2L
the pel er elements. Pay a en on: Every hole at the bo om and at the back of the instrument
must be kept free in order to let the air flow properly.

6.6 Commissioning

• Read and understand the safety instruc ons in chapter 2.
• Read and understand the informa on regarding posi oning of temperature probes in chapter 4.
To calibrate a temperature probe, it is possible to follow two ways: calibra on by means of
comparison with internal reference probe
thermomter b) which is not included in standard scope of delivery.
ref. : Compare the values of unit under test a)
with values shown on the display (6)
of the instrument.
ref. b) : Compare the values of unit under test
with values shown on the display of the
external reference thermometer.
Insert both probes (unit under test and
probe of reference thermometer) as much
closed together as possible, with same
inser on depth. See Fig. 3 in chapter 4 for
the op mal calibra on zone.
Tel. +49 (0) 7121-90920-0 • Fax +49 (0) 7121-90920-99 •
Cal
and L R- PYROS 650
PYROS 650 set to 660°C ±10°C.)
Cal
and LR-
a)
DRUCK & TEMPERATUR Leitenberger GmbH • Bahnhofstr. 33 • D-72138 Kirchentellinsfurt •
are equipped with a safety thermostate. If a
LR-Cal
PYROS 140-1L are equipped with an addi onal fan for
or by means of comparison with external reference
DT -Info@Leitenberger.de •
40
PYROS 375 set to 385°C
www. LR -Cal.net • www.druck-temperatur.de
a)
b)
GERMANY