Lutron Electronics TC-424 Operation Manual

Pt-100 calibrator,Pt 100 thermometer,Type K,J,T,R,E,S thermocouple

THERMOMETER CALIBRATOR

with

Source & Measurement

400 ohm resistance calibrator, measurement
DC mV calibrator(source) , measurement

Model : TC-424

Your purchase of this 4 in 1
THERMOMETER CALIBRATOR

marks a step forward for you
into the field of
precision measurement.
Although this meter a
complex and delicate
instrument, its durable
structure will allow
many years of use if
proper operating
techniques are
developed. Please read
the following
instructions carefully
and always keep this
manual within easy
reach.

OPERATION MANUAL

TABLE OF CONTENTS

.......................................................................

..........................................

......................................................................

..........................................................

4-1. Thermocouple SOURCE PROVIDE PROCEDURE ....................................................................................................................................................................................

4-2. VOLTAGE SOURCE PROVIDE PROCEDURE ..........................................................................................................................................

4-3. RTD Pt100 ohm SOURCE PROVIDE PROCEDURE .....................................................................................................................................................................

4-4. 400 ohm SOURCE PROVIDE PROCEDURE .....................................................................................................................................................................

..........................................................

5-1.Thermocouple Type MEASURE PROCEDURE .....................................................................................................................................................................................

5-2. VOLTAGE MEASURE PROCEDURE ..........................................................................................................................................

5-3. RTD Pt100 ohm MEASURE PROCEDURE ..........................................................................................................................................

5-4. 400 ohm MEASURE PROCEDURE ..........................................................................................................................................

5-5. LCD Backlight Operation PROCEDURE ..........................................................................................................................................

. ADVANCED SETTING.......................................................................................................

6-1 Auto power OFF management ..........................................................................................................................................

...........................................................................................................................................................................................

. POWER SUPPLY from DC ADAPTER........................................................................................

. BATTERY REPLACEMENT.................................................................................................

...........................................

1. FEATURES....................................................................................

2. SPECIFICATIONS....................................................................................................

3. FRONT PANEL DESCRIPTION....................

4. SOURCE PROVIDE PROCEDURE................................................................................

5. MEASUREMENT PROCEDURE................................................................................

6

6-2 Select the Temp. unit to ℃ or ℉

7
8

9. SYSTEM RESET............................................................................................................

1

1

5

6

6

6

7

7

7

7

8

8

8

8

8

9

9

10

10

10

1. FEATURES

*

Four kinds Source output :

1. Pt-100 source, 2. Voltage( DC mV) source.

3. 400 ohm source , 4. Type KJRETS Temp. source .

*

Four kinds measurement inputer :

1. Pt-100 measure, 2. Voltage( DC mV) measure,

3. 400 ohm measure , 4. Type K/J/R/E/T/S Temp. measure .

* Portable instrument for calibrating process devices.

* Four kinds Source Adjustable output.

2. SPECIFICATIONS

2-1 General Specifications

Circuit Custom one-chip of microprocessor LSI

circuit.

Display LCD size : 52 mm x 30 mm.

LCD with white backlight ( ON/OFF ).

Measurement 1.Type k/J/R/E/T/S Temp. , 2. Voltage (DC mV).

3. Pt-100 ohm, 4. 400 ohm .

Source

Sampling Time Approx. 1 second.
of Display
Advanced
setting

Type k/J/R/E/T/S Temp.,

Voltage (DC mV : - 10.00 to + 110.00 mV),

Pt-100 ohm , 400 ohm .

* Auto power OFF management.

*

Set unit ℃ or ℉ .

1

Operating 0 to 50 ℃.

Instruction manual..............................................

Hard carrying case( CA-06 ).....................................................

( Type K source output line ), AC-DUK02.........................................

MTL-CP424.......................................................................

Temperature Less than 85% R.H.
and Humidity
Power Supply * Alkaline or heavy duty DC 1.5 V battery

( UM3, AA ) x 6 PCs, or equivalent.

* DC 9V adapter input. ( AC/DC power

adapter is optional ).

Power Current Normal operation ( w/o current source ) :

Approx. DC 18 mA.
LCD Backlight is ON) : Approx. + DC 2 mA.

Weight Meter : 282 g/ 0.61 LB. (with cable)
Dimension Meter : 198 x 68 x 45 mm
Accessories *
Included *

*

*
Optional AC to DC 9V adapter.
Accessories TP-01,TP-02A, TP-03, TP-04, TP-05

1 PC
1 PC
1 PC
1 PC

2

2-2 Electrical Specifications ( 23.0 ± 5℃ )

30 MHz only.

Thermocouple

Type

-200.0to 1370.0 ℃ >-100℃: >-100℃:

K

-328 to 2498 ℉ ±(0.05 %+ 1 ℃) ±(0.07%+1.5℃)0.1 ℃ or 1 ℉

-200.0 to 1200.0 ℃ <-100℃: <-100℃:

J

-328 to 2192 ℉ ±(0.05 %+ 2 ℃) ±(0.07%+ 2 ℃)

-200.0 to 400.0℃

T

-328 to 752 ℉

-200.0 to 1000.0 ℃

E

-328 to 1832 ℉

R

S

* input impedence : 10 ^12 ohms.
* measure protection : DC 60 V , AC 24 V.

* source protection : Reference CAUTION.

DC Voltage

DC Voltage

Range of source / measure Display Accuracy

-10.00mV to +110.00 mV 0.01 mV

* input impedence : 10 ^12 ohms.
* measure protection : DC 60 V , AC 24 V.
* source protection : Reference CAUTION.

0 to 1768 ℃

32 to 3214 ℉

source measure

<100℃: >100℃:
±(0.05 %+ 3 ℃) ±(0.07 %+ 3 ℃)1 ℃ or 1 ℉
≧100℃: ≧100℃:
±(0.05 %+ 2 ℃) ±(0.07 %+ 2 ℃)

Resolution source / measure

Accuracy

± ( 0.05 % + 30 µV )

ResolutionRange of source / measure

Pt100

Pt100

Range of source / measure Display Accuracy

-200.0 to 850.0 ℃

-328.0 to 1562.0 ℉

* input impedence : 10 ^12 ohms.
* protection : Reference CAUTION.

Resolution source measure

0.1 degree

0.1 degree

Remark :

The above specification are tested under the environment
RF Field Strength less than 3 V/M & frequency less than the

3

±(0.05%+0.6℃)±(0.05%+ 1℃)

400 Ω

400 Ω

Range of source / measure Display Accuracy:

Resolution source measure

400.0 Ω 0.1 Ω

* input impedence : 10 ^12 ohms.
* protection : Reference CAUTION.
* FS : full scale

Remark :

The above specification are tested under the environment
RF Field Strength less than 3 V/M & frequency less than the

30 MHz only.

±(0.1%+ 0.4Ω)

±(0.1%+ 0.6Ω)

CAUTION

* Do not apply a voltage exceeding the maximum input voltage.

otherwise the input part may be damaged.
* Do not short_circuit or apply an external voltage to output terminals of the
instrument or standard equipment, or else their internal circuitry may be damaged.

4

3. FRONT PANEL DESCRIPTION

3-11 DC 9V Power Adapter Input Socket

3-12 Battery Compartment/Cover

3-5 ▲ Button

3-6 ▼ Button

3-1 Display
3-2 ◄ Button( Backlight Button )
3-3 Power Button
3-4 ► Button

3-7 FUNCTION Button/SET Button
3-8 Source/Measure Button / Type Button
3-9 Reset Button

3-10 Thermocouple Temp.Input Socket

Fig. 1

3-13 Battery Cover Screws
3-14 Tripod Fix Nut
3-15 Stand
3-16 Red(Hi) bananaTerminal
3-17 Black(Lo) bananaTerminal
3-18 Green(Lo) bananaTerminal

5

4. SOURCE PROVIDE PROCEDURE

Power on the meter by press

the " Power

button

" ( 3-

3,Fig. 1 ) > 2 sec.

M

odel

.

It is recommended to use the Thermocouple Temp.Input Socket (3-10 Fig 1)

Power on the meter by press

the " Power

button

" ( 3-

3,Fig. 1 ) > 2 sec.

M

odel

.

4-1. Thermocouple SOURCE PROVIDE PROCEDURE

1)

2) Press the " Source/Measure button " ( 3-8, Fig. 1 ) select to SOURCE

3) Press the " FUNCTION button " ( 3-7, Fig. 1 ) select to Thermocouple
Function.

4) Press and hold the " Source/Measure button " ( 3-7, Fig. 1 ) select to
Thermocouple Type .

5) Press the " ► button "( 3-4, Fig. 1 )or " ◄ button"( 3-2, Fig. 1 ) select
a digit for adjustment. The blinking digit identifies the digit selected.

6)

Press the " ▼button "( 3-6, Fig. 1 ) or " ▲button "( 3-5, Fig. 1 ) to adjust the
value of the digit. Press and Hold the ▼ or ▲ button to rapidly adjust the
value. And will generate the Temp. output same as the display value.

Remark :

output better , or Use The " Red banana Terminal " ( 3-16, Fig. 1 ) is for the
positive Temp. output. The " Black banana Terminal " ( 3-17, Fig. 1 ) is
the " ground " for negtive Temp. output.

4-2. VOLTAGE SOURCE PROVIDE PROCEDURE

1)

2) Press the " Source/Measure button " ( 3-8, Fig. 1 ) select to SOURCE

3) Press the " FUNCTION button " ( 3-7, Fig. 1 ) select to Votage Function.

4) Press the " ► button "( 3-4, Fig. 1 )or " ◄ button"( 3-2, Fig. 1 ) select
a digit for adjustment. The blinking digit identifies the digit selected.

5)

Press the " ▼button "( 3-6, Fig. 1 ) or " ▲button "( 3-5, Fig. 1 ) to adjust the
value of the digit. Press and Hold the ▼ or ▲ button to rapidly adjust the
value. And will generate the voltage output same as the display value.

Remark :
Use The " Red banana Terminal" ( 3-16, Fig. 1 ) is for the positive
Votage output. The " Black banana Terminal " ( 3-17, Fig. 1 ) is
the " ground " for negtive Votage output.

6

4-3. RTD Pt100 ohm SOURCE PROVIDE PROCEDURE

Power on the meter by press

the " Power

button

" ( 3-

3,Fig. 1 ) > 2 sec.

Power on the meter by press

the " Power

button

" ( 3-

3,Fig. 1 ) > 2 sec.

1)

2) Press the " Source/Measure button " ( 3-8, Fig. 1 ) select to SOURCE Model .

3) Press the " FUNCTION button " ( 3-7, Fig. 1 ) select to Pt100 Function.

4) Press the " ► button "( 3-4, Fig. 1 )or " ◄ button"( 3-2, Fig. 1 ) select
a digit for adjustment. The blinking digit identifies the digit selected.

5)

Press the " ▼button "( 3-6, Fig. 1 ) or " ▲button "( 3-5, Fig. 1 ) to adjust the
value of the digit. Press and Hold the ▼ or ▲ button to rapidly adjust the
value. And will generate the Pt100 ohm Temp. output same as the display value.

Fig. 1-A Fig. 1-B
Remark :
when carrying out calibration on a resistance temperature detector or a resistance
measurement unit in three-wire connection, the supplide terminal adapter can be used
to achieve a three-wire configuration (Fig. 1-A).2W Lo and LO terminals can
be shorted (Fig. 1-B) Otherwise connect as Fig.1-A

4-4. 400 ohm SOURCE PROVIDE PROCEDURE

1)

2) Press the " Source/Measure button " ( 3-8, Fig. 1 ) select to SOURCE

Model .

3) Press the " FUNCTION button " ( 3-7, Fig. 1 ) select to 400 ohm Function.

4) Press the " ► button "( 3-4, Fig. 1 )or " ◄ button"( 3-2, Fig. 1 ) select

a digit for adjustment. The blinking digit identifies the digit selected.

5)

Press the " ▼button "( 3-6, Fig. 1 ) or " ▲button "( 3-5, Fig. 1 ) to adjust the
value of the digit. Press and Hold the ▼ or ▲ button to rapidly adjust the
value. And will generate the 400 ohm. output same as the display value.

7

5. MEASUREMENT PROCEDURE

Power on the meter by press

the " Power

button

" ( 3-

3,Fig. 1 ) > 2 sec.

Type k temp

.

value.

Power on the meter by press

the " Power

button

" ( 3-

3,Fig. 1 ) > 2 sec.

V

oltage (mV)

, value.

5-1. Thermocouple Type MEASURE PROCEDURE

1)

2) Press the " Source/Measure button " ( 3-8, Fig. 1 ) select to

MEASURE Model .

3) Press the " FUNCTION button " ( 3-7, Fig. 1 ) select to Thermocouple Type

Measure Function.

4) Press and hold the " SOURCE/MESURE button " ( 3-8, Fig. 1 ) to select

Thermocouple Type .

5) Thermocouple Type Temp. probe into the "Thermocouple Type Temp. socket "

( 3-10, Fig. 1 ) .

The meter LCD display will show the measure value same as the input

6)

5-2. VOLTAGE MEASURE PROCEDURE

1)

2) Press the " Source/Measure button " ( 3-8, Fig. 1 ) select to

MEASURE Model .

3) Press the " FUNCTION button " ( 3-7, Fig. 1 ) select to Voltage

Measure Function.

4) Voltage (mV) input to the "RED banana Terminal " (3-16 ,Fig.1 ) and

"BLACK banana Terminal " (3-17 ,Fig.1) .

The meter LCD display will show the measure value same as the input

5)

Remark :
Use The " Red banana Terminal " ( 3-16, Fig. 1 ) is for the positive
Votage input. The " Black banana Terminal" ( 3-17, Fig. 1 ) is
the " ground " for negtive Votage input.

8

5-3. RTD Pt100 ohm MEASURE PROCEDURE

Power on the meter by press

the " Power

button

" ( 3-

3,Fig. 1 ) > 2 sec.

Power on the meter by press

the " Power

button

" ( 3-

3,Fig. 1 ) > 2 sec.

1)

2) Press the " Source/Measure button " ( 3-8, Fig. 1 ) select to

MEASURE Model .

3) Press the " FUNCTION button " ( 3-7, Fig. 1 ) select to RTD Pt100 ohm

Measure Function.

4) Pt100 ohm Temp. probe into the Red (HI) banana Terminal(3-16,Fig1) and

Black (LO) banana Terminal(3-17,Fig1) .

The meter LCD display will show the measure value same as the input

5)

Pt 100 temp. value.

5-4. 400 ohm MEASURE PROCEDURE

1)

2) Press the " Source/Measure button " ( 3-8, Fig. 1 ) select to

MEASURE Model .

3) Press the " FUNCTION button " ( 3-7, Fig. 1 ) select to 400 ohm

Measure Function.

4) Measured resistance into the Red (HI) banana Terminal (3-16,Fig1) and

Black (LO) banana Terminal(3-17,Fig1) .

The meter LCD display will show the measure value same as the input

5)

Measured resistance, value.

5-5. LCD Backlight Operation

During the meter Power on

long press The" ◄ button"( 3-2, Fig. 1 ) > 2 sec. the LCD Backlight will be on ,and
long press The" ◄ button"( 3-2, Fig. 1 ) > 2 sec. the LCD Backlight will be off.

9

6. ADVANCED SETTING

POFF.......

Under do not execute the Datalogger function,
press the " Function Button " ( 3-7, Fig. 1 ) continuously at
least 3 seconds will enter the " Advanced Setting " mode.
Then press the " Function Button " (3-7, Fig. 1 ) once a while
in sequence to select the two main function, the lower
display will show :

Auto power OFF management

t-CF.......

Remark :
During execute the " Advanced Setting " function, if
press " Power Button " ( 3-3, Fig. 1 ) once will exit
the " Advanced Setting " function, the LCD will return to
normal screen.

6-1 Auto power OFF management

When the lower display show " PoFF "

Select the Temp. unit to ℃ or ℉

1) Use the " ▲ Button " ( 3-5, Fig. 1 ) or " ▼ Button "

( 3-6, Fig. 1 ) to select the upper value to " yES " or
" no ".

yES - Auto Power Off management will enable.
no - Auto Power Off management will disable.

2) After select the upper text to " yES " or " no ", press the

" Source/Measure Button " ( 3-8, Fig. 1 ) will save the setting
function with default.

10

6-2 Select the Temp. unit to ℃ or

When the lower display show " t-CF "

1) Use the " ▲ Button " ( 3-5, Fig. 1 ) or " ▼ Button "

( 3-6, Fig. 1 ) to select the upper Display text to " C " or
" F ".

C - Temperature unit is ℃
F - Temperature unit is ℉

2) After Display unit is selected to " C " or " F ", press the

" Source/Measure " ( 3-8, Fig. 1 ) will save the setting
function with default.

℉

7. POWER SUPPLY from DC ADAPTER

The meter also can supply the power supply from the
DC 9V Power Adapter ( optional ). Insert the plug of
Power Adapter into " DC 9V Power Adapter Input Socket
" ( 3-11, Fig. 1 ). The meter will auto select to DC 9V Power Adapter.

11

8. BATTERY REPLACEMENT

1) When the left corner of LCD display show " ", it

is necessary to replace the battery. However, in-spec.
measurement may still be made for several hours after
low battery indicator appears before the instrument
become inaccurate.

2) Loose the screws of the " Battery Cover Screws " ( 3-13,

Fig. 1 ) and take away the " Battery Cover " ( 3-12, Fig. 1 )
from the instrument and remove the battery.

3) Replace with DC 1.5 V battery ( UM3, AA,

Alkaline/heavy duty ) x 6 PCs, and reinstate the cover.

4) Make sure the battery cover is secured after changing

the battery.

9. SYSTEM RESET

If the meter happen the troubles such as :

CPU system is hold ( for example, the key button can
not be operated... ).

Then make the system RESET will fix the problem.
The system RESET procedures will be either following

method :

During the power on, use a pin to press the " Reset
Button " ( 3-9, Fig. 1 ) once a while will reset the
circuit system.

12 171016-TC-424