![Kendro HERAcell 150 Operating Instructions Manual Download Page 43](http://html1.mh-extra.com/html/kendro/heracell-150/heracell-150_operating-instructions-manual_663805043.webp)
CO
2
Incubator HERAcell
®
150 Operating Instructions
43
6.
Handling and control
2. Enter the nominal value:
Depending on the requirements for the working process, two different O
2
con-
trol ranges are preprogrammed at the factory.
Control range I: 1 % - 21 %
Control range II: 5 % - 90 %
NOTE – Using of process gases
Fornom inalvalues below 21% O
2
, the device
must be connected to a nitrogen supply system.
For nominal values above 21 % O
2
, the device
must be connected to an oxygen supply system.
The nominal value can be increased or reduced in increments; if you keep the
key depressed, the UP/DOWN function switches to a rapid increase/reduction;
after approx 3 seconds, another increase/reduction occurs.
To increase the nominal value:
Press the
+
keys.
To reduce the nominal value:
Press the
+
keys.
3. Accept and store the nominal value:
Release both keys.
The O
2
display shows the current
actual value
measured in the work
space.
6.6
Disabling the O
2
control
If required by the application, the O
2
control can be disabled.
1. Set nominal value to the following minimal oxygen concentration:
• Control range I: < 1 % or > 21 %
• Control range II: < 5 % or > 90 %
Press the
+
keys or the
+
keys.
2. Disable the control:
Press the
+
keys or the
+
keys
The display shows that the control has been disabled.
Summary of Contents for HERAcell 150
Page 82: ...CO2 Incubator HERAcell 150 Operating Instructions 82 16 Certificate of decontamination...
Page 83: ...CO2 Incubator HERAcell 150 Operating Instructions 83 16 Certificate of decontamination...
Page 84: ...Internet http www kendro com...
Page 85: ......
Page 87: ...Valid 10 2005 50047292 B Gas Cylinder Change Over Unit GM 2 Operating instructions GB...
Page 106: ......
Page 152: ......
Page 153: ......
Page 154: ......
Page 155: ......
Page 156: ......
Page 157: ......
Page 158: ......
Page 159: ......
Page 160: ......
Page 161: ......
Page 162: ......
Page 163: ......
Page 164: ......
Page 165: ......
Page 166: ......
Page 167: ......
Page 168: ......
Page 169: ......
Page 170: ......
Page 171: ......
Page 172: ......
Page 173: ......
Page 174: ......
Page 175: ......
Page 220: ......
Page 221: ......
Page 222: ......
Page 223: ......
Page 224: ......
Page 225: ......
Page 226: ......
Page 227: ......
Page 228: ......
Page 229: ......
Page 230: ......
Page 231: ......
Page 237: ...Version 04 2004 50078754 Accessories for CO2 incubators Illustrations and describtion...
Page 249: ...Footprint HERAcell...
Page 250: ...Footprint HERAcell...