Dry Block Calibrator
http://www.isotech.co.uk/industrial/
35 to 700°C
g
Calibrate Large Diameter Probes
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High Capacity Blocks 64 x 160mm
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Calibrate Whole Measurement Loop
The Gemini range of Dry Blocks have high capacity
allowing a large number of probes to be calibrated
together. They are also suitable to accept large diameter
probes with the block volume of a nominal 64 x 160mm.
Whilst the large block takes longer to heat and cool than
the Jupiter it can calibrate thermocouples, resistance
thermometers, thermostats and sensors that are too large
for the smaller blocks.
These award winning calibrators are easy to use and are
available in three versions – the Basic, the Site and the
ADVANCED. The Basic has a digital display of set and
nominal temperature, the Site additionally includes an inbuilt independent temperature indicator for a reference
probe. The ADVANCED controller has inputs for reference
and test thermometers with a further range of sophisticated
features including automatic temperature cycling, secure
data logging and full colour high resolution display.
Gemini
All models include I-Cal Easy LOG software and the
ADVANCED models additionally include software to
manage logged data and configure the unit, see page 14
for more details.
Available with a fixed block with four 8mm and four 19.5mm
pockets or the LRI version which has a removable block.
With the LRI model, blocks can be drilled to custom
configurations.
Isotech is a world leader in temperature calibration,
providing many nations with their Primary Standards and
operates a full scale UKAS accredited calibration
laboratory. We can offer a range of calibration options to
meet your requirements.
These models meet the calibration capacity requirements
of EURAMET/cg-13/v.01, “EA Guidelines on the Calibration
of Temperature Block Calibrators, formerly EA10/13.
BASICSITEADVANCED
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CALIBRATION SOLUTIONS
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Parameter Model: Gemini 4857
550 700
Temperature Range 35°C to 550°C 50°C to 700°C
ADVANCED Range
Absolute Stability over 30 mins ±0.01°C @ 100°C | ±0.015°C @ 300°C | ±0.03°C @ 550°C
Display Resolution 0.01°C over whole range
Accuracy: RTD Input Channel ±0.05°C ±0.005% RDG
Accuracy: Thermocouple Input Channel E,J,K,N: ±0.2°C @ 660°C R: ±0.6°C S: ±0.7°C @ 660°C T ±0.2°C @ 150°C
CJC Accuracy ±0.35°C
BASIC/SITE Range
Absolute Stability over 30 mins ±0.02°C @ 50°C | ±0.03°C @ 250°C | ±0.04°C @ 550°C
Display Resolution 0.01°C from 30.00 to 99.99°C then 0.1°C: 0.01°C Over PC Interface
COMMON Specifications
Display Accuracy
Cools from 550°C to 275°C
from 550°C to 60°C
Heats from 30°C to 550°C
from 50°C to 700°C
Best Performance See Graph
Calibration volume 65mm diameter x 160mm deep
Indicator units °C, °F, K
Voltage 115Vac or 230Vac 50/60Hz
Power 600 Watts (LRI: 1000 Watts)
Dimensions 384H (including handle) x 212W x 312D mm
Weight 8.5kg 14kg
(1) Dry Block Mode only: Comparing 6.5mm Well to Display Value.
1
35 mins (LRI: 132 mins)
345 mins (LRI: 420 mins)
35 mins (LRI: 60 mins)
0.5°C
-
-
-
-
110 mins (LRI: 120 mins)
ADVANCED SITE BASIC
Digital Display of Set and
Nominal Block Temperature
Yes Yes Yes
PC Interface Ethernet + USB Host Serial Serial
Test Thermostats Yes - Two Inputs Yes - Single Input No
Independent Temperature
Indicator for Reference Probe
Yes Yes No
Up to 3: Two universal
Additional Inputs for Units
Under Test
inputs for
Thermocouple or Process
inputs and a further
PRT,
No No
Thermocouple input
Automatic Temperature
Cycling
Yes No No
Data Logging Yes - Export to USB No No
Offset Elimination
Choose English, French,
Italian or Spanish Language
Yes - block can follow
reference input
No No
Yes - on full colour display No No
In Built Web Server Yes No No
Yes - Suitable for life
Tamper Proof Data
science, automotive and
No No
aerospace applications
UKAS Calibration available for these systems - International Traceability - Best Practice
CALIBRATION SOLUTIONS
See page 14
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