Chemically-resistant Laboratory pump N820.18 EX / N840.18 EX
Translation of Original Operating Instruction, KNF 317428-317425 05/21
N840G
Parameter
Max. permissible operating
pressure [bar rel*]
Ultimate vacuum [mbar abs.]
At min. speed:
Gas ballast closed
Gas ballast open
At max. speed:
Gas ballast closed
Gas ballast open
Flow rate at atm. pressure [l/
min]**
At min. speed:
At max. speed:
Tab.11: Pneumatic data N840G
*Bar rel related to 1013 hPa
**Liters in standard state (1013 hPa, 20°C)
Pneumatic connections
Parameter
Hose connection [mm]
(stepped hose nipple)
Tab.12: Pneumatic connections
Electrical data
Parameter
Voltage [V]
Frequency [Hz]
Power consumption [W]
Max. current consumption [A] 0.66 – 0.35
Max. permissible mains volt-
age fluctuations
Tab.13: Electrical data
Value
0.1
≤ 6
≤17
≤ 8
≤15
18 ± 10%
34 ± 10%
Value
ID 8 / 9.5
Value
Value
N820
N840
100 – 240
50/60
60
100
1.0 – 0.6
± 10%
Technical data
DE
EN
FR
ES
IT
21