2 technical data – Metrohm 774 Oven Sample Processor User Manual
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6 Appendix
774 Oven Sample Processor, Instructions for use
140
6.2 Technical data
Dimensions
Height: 0.51 m, width: 0.38 m, depth: 0.55 m
Weight
15.9 kg (not including accessories)
Material
Sample changer housing:
Metal housing, multiple stove-enamelled
Keypad housing:
Crastin (PBTB), aluminium vapour-
deposited on inside
Keypad seal:
Polyester, resistant to chemicals
LCD display
2 lines of 24 characters each, height 5 mm
Lift path
Approx. 100 mm
Lift
Load:
approx. 30 N
Lift speed:
adjustable, 3...12 mm/s
Turntable Rotary
speed:
Adjustable, 3...20 angular degrees/second
Oven
Temperature range:
50…250 °C
Correction range:
-10…+10 °C
Heat output:
82 W
Heating rate (50…150 °C):
15 °C/min
Materials
Oven block: Aluminium Cover: PTFE
Inner sleeve: Chromium steel
Pump
Pump delivery: 0…300 mL/min resp. 0…18 L/h
Inert gas
max input pressure 1 bar
RS232
For computer or printer connection
interface
programmable for communication with external devices
Remote
Programmable parallel port for control of external
interface devices
Input:
t
p
t
p
>20 ms
Output:
t
p
t
p
>200 ms
V
CEO
= 40 V
I
C
= 20 mA
+5
V:
maximum load = 20 mA
+5V
active = low
inactive = high
active = low
inactive = high