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Gemini 550 Dry Block Calibrator. Temperature range 35°C to 550°C
Gemini 700 Dry block Temperature Calibrator. Temperature range 50°C to 700°C
High Capacity Dry Block Calibrators.
The Gemini Dry block range differs from our other dry blocks with an enormous well capacity of more
than 2.5” While still offering all the advantages you’ll find in other calibrators the Gemini has been designed to have a large block suitable for more probes.
The Gemini Dry block calibrators are available in two models, the BASIC (B) and the SITE (S).
The B model includes a sophisticated temperature controller with a dual display for Set Temperature and Dry Block Temperature. The large block has the benefit of higher capacity but with longer heating and cooling times compared to the fast response models.
 

GEMINI Dry block Calibrator

Model  Description 
550  GEMINI 550 Dry Block (35°C to 550°C)
550-SITE  GEMINI 550-SITE Dry Block (35°C to 550°C)
700  GEMINI 700 Dry Block (50°C to 700°C)
700-SITE  GEMINI 700-SITE Dry Block (50°C to 700°C)
Calibrate Whole Calibration Loop. Using a heat source rather than an electrical simulator a test
instrument and probe can be calibrated as a system.
High Capacity Block -- Large Calibration volume for many sensors and low loading errors.
Two Operating Ranges -- Fast response from 35°C to 550°C (1022°F) or 50°C to 700°C (1292°F)
Simple To Use -- Outstanding Value for Money!
Includes as standard:
Windows Software, Computer Interface and a Ramp to Set Point Feature.
Increased resolution of ±0.01 available throughout the range via the PC interface and
from 0.01to +99.99 locally on the auto-ranging front display.
The controller features multi-point block to display correction giving excellent absolute accuracy.
The SITE model has universal sensor input allowing Platinum Resistance Thermometers,
Thermocouples (Types K, N, R, S, L, B, PL2, T, J and E) along with Linear Process Inputs including
4-20mA current transmitters to be displayed on the built-in indicator.
The indicator can be programmed with up to five calibration points to provide high accuracy digital
probe matching. The indicator and controller are both addressable over the communications link.
Low-Temperature Infrared Calibrator specification
Model  Gemini 550 & Gemini 700 
Temperature Range  Gemini 550: 35°C to 550°C
Gemini 700: 50°C to 700°C 
Accuracy ≤±0.3°C Throughout entire range
Absolute Stability Over 30 Minutes ±0.05°C
Computer Interface  Included with Windows Software 
Cooling Time  Gemini 550: 550°C to 275°C in 35 min.
Gemini 700: 550°C to 60°C in 345 min. 
Heating Time  Gemini 550: 30°C to 550°C in 35 min.
Gemini 700: 50°C to 700°C in 110 min. 
Calibration Volume  Four 8mm pockets, four 19.5mm pockets, 
Standard Block  All 160mm deep 
Display Resolution  0.01 to 99.99
0.1 100.0 to 700.0
PC can display 0.01 across whole range with the software
included 
Indicator Units  °C, °F, °K
Supply  110VAC ±10% (50/60 Hz)
Hyperion: 200 Watts
Drago: 1000 Watts  
Dimensions  302mm x 176mm x 262mm (HxWxD) 
Weight  Gemini 550: 18.7 lbs (8.5kg)
Gemini 700: 30.9 lbs (14kg)