MJ Research DNA Engine Dyad PTC-220, Operation Manual, Page: 13 / 157

2-5
Layout and Specifications
Specifications
Thermal range: –5.0
°
to 105
°
C, but no more than 30
°
C below ambient
temperature (4
°
C to 105
°
C, but not more than 23
°
C
below ambient temperature for the Twin Towers ® unit)
Accuracy: + 0.3
°
C of programmed target @ 90
°
C, NIST-traceable
Thermal uniformity: + 0.4
°
C well-to-well within 30 seconds of arrival at
90
°
C (for most Alpha units; see specifications for
individual Alpha units)
Ramping speed: Up to 3
°
C/sec for all single- and dual-block Alpha units;
Up to 1.2
°
C/sec for the Twin Towers ® unit
Sample capacity: Varies with installed Alpha unit
Line voltage: 200-240VAC
Frequency: 50-60Hz
Power: 1600W maximum
Fuses: Two 6.3A, 250V, 5 x 20mm
Displays: One 1/4 size VGA screen (320x240), 16 colors
Ports: One 9-pin RS-232 serial port
One ethernet port
Memory: 8 MB
Weight: 11kg ( base only)
Size: 48 x 29 x 15cm (l x w x h, base only)
Gradient Specifications (96 Alpha unit only)
Accuracy: + 0.4
°
C of programmed target at end columns,
30 seconds after the timer starts for the gradient step,
NIST–traceable
Column uniformity: + 0.4
°
C, well–to–well within column, within 30 seconds
of reaching target temperature
Calculator accuracy: + 0.4
°
C of actual well temperature
Lowest programmable 30
°
C
temperature:
Highest programmable 105
°
C
temperature:
Temperature differential 1–24
°
C
range for gradient: