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JOFRATM
ATC series
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Advanced
Temperature Calibrator
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Your
choice for optimum temperature calibration
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NOTICE :New ATC models for both liquid and dry-block calibration
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Wide
temperature range
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The
JOFRA ATC series (Advanced Temperature Calibrators) combines
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ATC-140:
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the
accuracy of laboratory temperature sources with the speed and
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-20 to
140ðC (-4 to 284ðF)
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portability of field dry-block calibrators.
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ATC-156:
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With the latest ATC models it is now possible to calibrate
even more
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-24 to 155ðC (-11 to 311ðF)
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sensors at the same time and to calibrate large and odd size
sensors
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ATC-157:
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in either a large diameter dry-block
or in a liquid bath.
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-45 to 155ðC (-49 to 311ðF)
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PRODUCT DESCRIPTION
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ATC-250:
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The ATC
series calibrators are available in six defferent
temperature
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28 to 250ðC (82 to 482ðF)
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ranges
with two models offered in each range; A and B.
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ATC-320:
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All JOFRA ATC series models feature the unique dual-zone
heating
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33 to 320ðC (91 to 608ðF)
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block-designed for optimum performance and superior
temperature
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ATC-650:
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homogeneity throughout the
block. This new design has a
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33 to 650ðC (91 to 1202ðF)
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performance equivalent to a
liquid temperature bath. The ATC-157
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Liquid
bath or dry-block
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features the widest temperature range for a cooling dry-block
on the
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Use
ATC-140 and ATC-250
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market today.
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as
liquid bath or large
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Each ATC
dry-block calibrator may be used to perform fully automatic
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diameter
dry-block
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calibration routines without using an external computer. Use the
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calibrator
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computer for full upload and download capabilities. Units may
also be
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Improved
temperature
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supplied
with inputs for external reference sensors and for sensors-
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homogeneity
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under-test. All ATC
calibrators feature RS232 serial
communication
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Unique
dual-zone block
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and
standard delivery also includes the JOFRACAL calibration PC
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ensures
good temperature
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software.
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homogeneity
in the critical
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Unique temperature performance
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calibration
zone
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The ATC series of calibrators provide precision temperature calibratiion
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High
accuracy
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of sensors; whatever the type or
format. This is accomplished through
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Using
the internal reference
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an innovative dual-zone heating
technology.
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or the
external reference
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ALL
JOFRA ATC models feature a dual-zone heating technology. Each
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probe. 4-wire True-Ohm-
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heating
zone is independently controlled for precision temperature
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Measurement
technology is
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measurement. The homogeneity in the lower part is close to that of a
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used.
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laboratory liquid bath. The lower zone ensures optimum heat
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Enhanced
stability
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dissipation throughout the entire calibration zone. The upper zone
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MVI
circuitry ensures
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compensates
for heat loss from the sensor-under-test and from the
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temperature
stability
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open top.This
design also eliminates the need for insulation of the
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despite
mains supply
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sensors-under-test
and makes it possible to calibrate liquid-filled and
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variations.
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other mechanical sensors.
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Cost
effective
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ATC heating and cooling models
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calibration
system
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The models with both heating and cooling capabilities
(ATC-140, -156
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Stand-alone
operation
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and -157) feature the Peltier element multi-stage-technology. This both
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eliminates
the need for
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improves efficiency and
extends the life of the “electronic heat pump”.
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secondary
equipment and
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The JOFRA ATC-157 offers a typical differential temperature
of
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PC.
Universal inputs handle
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68C(122F) below the ambient temperature.
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multiple
type temperature
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STANDARD DELIVERY
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sensors.
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·
ATC dry-block calibrator (user specified)
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Timesaving
features
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Mains power cable (user specified)
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Up-and
download complete
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Traceable certificate-temperature performance
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calibration tasks. Auto-
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Insert (user specified)
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stepping,
switch testing and
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3 pcs. insulation plugs for 5,
8, 11 mm
sensors (ATC-157 only)
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many
more features make
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Tool for insertion tubes
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the daily use smooth & fast.
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RS232 cable
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Documentation
made
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JOFRACAL software
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easy
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AMETRIM-ATC software to adjust the ATC series
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RS232
communication and
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Users’ manual (multi-language)
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JOFRACAL
calibration
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Reference manual (English)
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software
are included in the
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Model B instruments contain the following extra items:
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standard delivery.
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Test cables (2x red, 2xblack)
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Traceable certificate – input performance
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