7. Power supply
7.4 Switching ON / OFF, reinitialization
To switch the device ON press and release
ON PROG
r
(6) located in the middle
of the cursor block. The first thing to appear in the display is always the mea-
suring menu.
To switch OFF press and hold down the same key(s)
ON PROG
r
. When the de-
vice switches OFF all saved values and settings are retained intact.
(see 7.5)
If interference (e.g. electrostatic) or a malfunction (e.g. battery failure) causes
the device to behave abnormally, it can be reinitialized. To activate
RESET
press and hold down key
F1
r
when switching on. To completely reinitialize all
device programming (including device designation) to the factory defaults keep
key
F2
r
pressed when switching on. In so doing certain parameters will be
lost or be returned to their defaults : Language = German, illumination = OFF.
7.5 Data buffering
The sensor's programming is stored in the EEPROM on the sensor connector;
the device's calibration values and programmed parameters are stored in the
EEPROM on the instrument itself; in the event of failure both will be retained in-
tact. When the device is simply switched off, the date and time-of-day settings
and the individual value memory on the data logger are retained intact; how-
ever, if the device is reset or the batteries are replaced, this will all be lost.
8. CONNECTING SENSORS / TRANSDUCERS
The following special devices can be connected at input sockets M0 and M1
(1) on the measuring instrument :
stationary high-precision psychrometer FPA836-3P3, digital D6 NTC psy-
chrometer FNAD46-3, or D6 humidity sensor FHAD36-RS. Or of course a
high-precision Pt100 sensor FPA923-L0250 with range P314 (0.001K) can be
used.
8.1 Sensors / transducers
All the afore-mentioned sensors with an ALMEMO
®
plug have their measuring
range and units already programmed and can thus be connected to the mea-
suring sockets without any further adjustment. A mechanical coding system
ensures that sensors and output modules can only be connected to the correct
sockets. All ALMEMO
®
plugs incorporate two snap-lock levers; these snap into
position as soon as the plug is inserted into the socket, thus preventing unin-
tended disconnection if the cable is pulled accidentally. To withdraw the plug
both these levers must first be pressed in at the sides.
Splash-proof variants of devices in the ALMEMO
®
1036 series are also avail-
able as options. For this purpose new sensors are now available with spray-
coated ALMEMO
®
plugs incorporating a double sealing lip specially designed to
protect the socket unit against penetration by splashing water. For any unused
sockets protective stoppers are available.
14 ALMEMO
®
1036