UNI-T UT320A Operator's Manual

P/N:110401106697X
UT320A
Mini Single Input
Thermometer
User Manual
|. Introduction
UT320A single input thermometer
accepts Type K and J thermocouples.
Features:
®@ Wide measurement range
® High measurement accuracy
® Selectable thermocouple K/J.
Warning: For safety and accuracy,
please read this manual before use.
IL. Open Box Inspection
Open the package box and take out
the device. Please check whether the
following items are deficient or damaged
and contact your supplier immediately
if they are.
1. UT-TO1
2. Battery: 1.5V AAA
3. Plastic holder-—
4. User manual
IL. Safety Instructions
If the device is used in a manner that
is not specified in this manual, the
protection provided by the device might
be impaired.
1) If low power symbol Ea appears,
please replace the battery.
2) Do not use the device and send it
to maintenance if malfunction occurs.
3) Do not use the device if explosive
gas, steam or dust surrounding.
4) Do not input overrange voltage
(30V) between thermocouples or
between thermocouple and the ground.
5) Replace parts with the specified ones.
6) Do not use the device when the rear
cover is open.
7) Do not charge the battery.
8) Do not throw the battery to fire or it may
explode.
9) Identify the polarity of the battery.
IV. Structure
1) Thermocouple jacks
1) Average value
2) Data hold
3) Maximum temperature
4) Minimum temperature
5) L
ow power
6) Thermocouple type
7) Temperature unit
8) Auto power off
VI.
e
2) NTC inductive hole
3) Front cover
4) Panel
5) Display screen
6) Buttons
En
DO
Figure 1
V. Symbols
OMO
er ®)
@, ©,
TN ENEN KN
anna
Kisindn:
LIL
Figure 2
VII
Buttons and setup
: short press: power ON/OFF;
long press: switch ON/OFF auto shutdown
function.
Grauto shutdown indicator.
: short press: switch temperature unit.
1: short press: switch between MAX/MIN/
AVG modes. Long press: switch
thermocouple type
(F2?) : short press: switch ON/OFF data hold
function; long press: switch ON/OFF
backlight
. Operation instructions
1)Thermocouple plug
2)Contact point
3)0
bject being measured
4)Thermometer
Figure 3
LINI-T.
1. Connection
A. Insert thermocouple into input jacks
B. Short press [21 to turn on the device.
C. Setup the thermocouple type
(according to the type being used)
Note: If the thermocouple is not connected
to input jacks, or in open circuit, "-—--"
appears on the screen. If over range
occurs, "OL" appears.
2. Temperature display
Short press (&] to select temperature unit.
A. Place the thermocouple probe on
object to be measured.
B. Temperature is displayed on the screen.
Note: It takes several minutes to steady
the readings if thermocouples are just
inserted or replaced. The purpose is to
ensure the accuracy of cold junction
compensation
3. Data hold
A. Short press to hold the data
displayed. HOLD symbol appears.
B. Short press again to switch off
data hold function. HOLD symbol
disappears.
4. Backlight ON/OFF
A. Long press to turn on backlight.
B. Long press { gain to turn off backlight.
5. MAX/MIN/AVG value
Short press to cycle switch between MAX,
MIN, AVG or regular measurement.
Corresponding symbol appears for different
modes. E.g MAX appears when measuring
maximum value.
6. Thermocouple type
Long press (we] to switch thermocouple
types (K/J). TYPE:K or TYPE: J are
type indicators.