OHAUS Guardian 3000 Serie Manual De Instrucciones página 17

TM
Guardian Hotplate-Stirrers
2. The display will now show the temperature of the external probe instead of the
heater. An example is as the following:
The will still illuminate once the heater temperature reaches 40° C.
Note: When using the Ohaus External Temperature Probe, the temperature
setpoint should be adjusted to the desired sample temperature. If the
temperature setpoint is higher than the sample can achieve, an E7 will occur
(see the Troubleshooting section). Reduce sample volume or temperature
setpoint value. For Example: Water has a theoretical temperature limit of
100° C (boiling). A temperature setpoint greater than 100° C will cause an E7
error.
3. If the external temperature probe is inserted into the external RTD probe port
while the heater is running:
a) The heater will shut off.
b) The unit will display an E7 error.
c) The unit will beep 10 times.
4. If the external temperature probe is removed from the external RTD probe port
while the heater is running:
a) The heater will shut off.
b) The unit will display an E4 error.
c) The unit will beep 10 times.
Note: To clear an E4 or E7 error, flip the standby switch off and back on. The
unit will be ready for normal use.
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30° C
50° C
EN-15