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The portable dry block calibrator CL-355A is a small, lightweight, and it offers fast heat-up and cooldown
times with excellent
performance specifications at a
wide operating temperature range.
It’s a good choice for standard
bench lab work or as a portable
The unit covers the temperature
range from 5°C above ambient
up to 400°C using a large
multi-well machined aluminium insert
block as the heat transfer medium
to the sensors under test. The
CL-355A uses the same aluminium
inserts as the CL-740A calibrator.
This calibrator is designed to
work safely under the following
conditions: ambient temperature
range: 5 to 40°C,
up to 95% relative humidity,
SPECIFICATIONS Minimum Temperature: 5°C above ambient
Maximum Temperature: 400°C
Cooling Rate,400 to 100°C: 21 min
Heating Rate, 20 to 400°C: 12 min
Independent Over-Temperature Cutout: 450°C approx.
Fan Cooling: Automatic
Display Resolution: 0.1°
Weight: 4 kg
Insert Immersion Depth: 114 mm (4.5")
Dimensions: 222 H x 203 W x 203 D mm
Specification at 200°C and 400°C: Stability After 15 Min: 200ºC : ±0.03°C
400ºC : ±0.05°C
Display Accuracy: 200ºC : ±0.3°C
400ºC : ±0.5°C
Well to Well Uniformity: 0.015 to 0.025°C
† All amounts shown in EUR, GBP, or USD Note: Comes with complete operator’s manual, insert removal tool and power cord.