11
10
TEMPERATURE DIFFERENCE
(
HI 9056 only)
The difference between the temperature
measured by the two probes can be dis-
played by simply pressing
∆
T. A "
∆
" will
appear on the left-hand of the display to
indicate this function.
LOW BATTERY DETECTION
To save battery life,
HI 9056
and
HI 9057
will switch off after 5 minutes.
When the battery is low the
user is prompted by the word
"
BAT
"
to substitute the bat-
tery (see page 12).
∆
DISPLAY CODES GUIDE
Display
Description
----
The probe is not connected to the instrument
or the reading is out of range
BAT
Weak battery, needs to be replaced
HI 9056:
HOLD
Freezes current reading on display and stores
MEM
the reading into memory
MEM
Indicates the value of the temperature stored
into memory
K1
or
K2
Temperature at probe 1 or 2 respectively
∆∆∆∆∆
Difference between temperatures at the two
probes
HI 9057:
°C
The instrument is reading in the Centigrade
scale
°F
The instrument is reading in the Fahrenheit
scale
HI
Displays the highest measured temperature
LO
Displays the lowest measured temperature
HOLD
Freezes current reading on display
K
,
J
or
T
Thermocouple probe type in use
The memory value will be overridden each
time the memory & hold function is acti-
vated. A blinking "MEM" on display indi-
cates the operating mode.
Press and hold MR to recall previously stored
temperature reading. In this mode of opera-
tion, the display indicator "MEM" is shown.
If no data is found, "
----
"
will be displayed.
THERMOCOUPLE TYPE SELECTION
(HI 9057 only)
By pressing KJT the user is allowed to set
the thermometer according to the connected
thermocouple type, and the related symbol
will be displayed, i.e.:
K for K-Type, J for J-Type, T for T-Type.
PROBE INPUT SELECTION (HI 9056 only)
When switched on, the in-
strument automatically shows
the temperature measured by
Probe 1 and a "K1" appears
on the LCD display.
To view the input temperature of Probe 2,
press T1/T2 and "K2" will be displayed.
MEM
K
T
J
K 1
K 2
