Model
Code
Description
Note
KX
□
□
□
□
KX2 / 3 / 4 / 7 / 9
 
INPUT
T.C
K
-
-
-
[K]-50 ~ 1300 °C (-50.0 ~ 999.9 °C)
CA
[J] -50 ~ 600 °C (-50.0 ~ 600.0 °C)
IC
R
-
-
-
[R]0 ~1700 °C (0.0 ~ 999.9 °C)
PRR
RTD
P
-
-
-
[P] -199 ~ 650 °C (-199.9~650.0 °C)
DIN Pt100
[D] -199 ~ 650 °C (-199.9~650 .0 °C)
KS Pt100
(JIS Pt100)
V DC /
mA d.c
V
-
-
-
[A] 1 ~ 5 V (4~20 mA)
(-199 ~ 9999)
[B] 0 ~10 V
(-199 ~ 9999)
OUTPUT
M
-
-
RELAY
 
S
-
-
SSR
 
C
-
-
SCR
 
STANDARD
SELECTION
C
-
ALM
(Selectable in ALH, 
ALL, LBA Mode)(1 point)
Only for KX4
E
-
ALH, ALL (2Points)
Basic for
KX2/3/7/9
Option for KX4
OPTION
K
-
ALH + ALL+LBA (3Points)
Not available for KX4
Power VOLTAGE
4
100 - 240 V AC 50 - 60 Hz
 
* Option Input : E, T, R, B, S, L, N, U, W.


Model
KX Series 
Rated Voltage
100 - 240 V AC ( ± 10 %), 50 - 60 Hz
Power Consumption
Below approx. 5 VA
Input Sensor
Thermocouple: K1, K2, J1, J2, E,T, R, B, S, L, N, U, W
R.T.D: KS Pt100 Ω (JIS Pt100 Ω ), DIN Pt100 Ω
DC Voltage Input: 1 ~ 5 V DC (4 ~ 20 mA), 0 ~ 10 V DC 
Display Accuracy
Thermocouple: ±(0.5 % of displayed value + 1digit) or 
± 3 ˚C (higher value among them) 
But, in case of R, B, L, U input, refer to input type & measuring range 
R.T.D: ±(0.5% of display value + 1digit) or 
± 2 ˚C (higher value among them)
Setting Accuracy
Same as Display Accuracy
Hysteresis
(ON/OFF Operation)
0.2 ~ 100.0 °C
Control Output
Relay Contact Output: 250 V AC 3 A (resistive load) SPDT 
Electrical Life Expectancy: above 30,0000 times (rated load)
Voltage Pulse Output: 12 V DC (Max. 50 mA)
Current Output: 4 ~ 20 mA DC (above resistive load 600 Ω)
Control Operation
ON/OFF or P.I.D (Auto-Tuning Function)
Alarm Output
ALH/ALL/LBA: 250 V AC, 3 A (resistive load)
* KX4 : 250 V AC 1 A
Relay Contact Life Expectancy: above 50,000 times (rated load)
Setting Method
Digital Setting by Up/Down Keys
Options
• Limiting High/Low Limit Setting Function
• Display Unit (˚C)
• Locking Setting data Function
• Compensating Input Function
(Correcting Temperature Function)
• Displaying Decimal Point Function
• Direct/Reverse Selection Function
Operating Ambient
Temperature/Humidity
0 ˚C ~ 50 ˚C (35 ~ 85 % RH)