Temperature Meter
K3MA-L
K-47
Panel
in
dicat
ors
■
Characteristics
Note:
The indication accuracy of the K thermocouple at a temperature of
−
200 to 1300
°
C is
±
2
°
C
±
1 digit maximum.
The indication accuracy of the T and N thermocouples at a temperature of
−
100
°
C or less is
±
2
°
C
±
1 digit maximum.
The indicator accuracy of the U and L thermocouples at any temperature is
±
2
°
C
±
1 digit maximum.
The indication accuracy of the B thermocouple at a temperature of 400
°
C or less is unrestricted.
The indication accuracy of the R and S thermocouples at a temperature of 200
°
C or less is
±
3
°
C
±
1 digit maximum.
■
Measuring Ranges
Platinum-resistance Thermometer
Thermocouple
Indication accuracy (at 23
±
5
°
C)
(See note.)
Thermocouple:
(
±
0.5% of indication value or
±
1
°
C, whichever greater)
±
1 digit max.
Platinum-resistance thermometer:
(
±
0.5% of indication value or
±
1
°
C, whichever greater)
±
1 digit max.
Input
Thermocouple: K, J, T, E, L, U, N, R, S, B
Platinum-resistance thermometer: JPt100, Pt100
Measurement method
Double integral method
Sampling period
500 ms
Display refresh period
Sampling period (sampling times multiplied by number of averaging times if average processing is se-
lected.)
Max. displayed digits
4 digits (
−
1999 to 9999)
Display
7-segment digital display, Character height: 14.2 mm
Polarity display
“
−
” is displayed automatically with a negative input signal.
Zero display
Leading zeros are not displayed.
Input shift
Input shift equivalent to the setting value supported for all points within the sensor measurement range.
Hold function
Max hold (maximum value), Min hold (minimum value)
Hysteresis setting
Programmable with front-panel key inputs (0001 to 9999).
Other functions
Display color change (green (red), green, red (green), red)
Average processing (simple average OFF/2/4/8 operations)
Setting change lockout
Parameter initialization
Output
Relay contact (SPDT)
Delay in comparative outputs
1 s max.
Degree of protection
Front panel: NEMA4X for indoor use (equivalent to IP66)
Rear case: IEC standard IP20
Terminals: IEC standard IP00 + finger protection (VDE0106/100)
Memory protection
Non-volatile memory (EEPROM) (possible to rewrite 100,000 times)
Input
Pt100
JPt100
Range
°
C
−
200 to 850
−
199.9 to 500.0
0.0 to 100.0
−
199.9 to 500.0
0.0 to 100.0
°
F
−
300 to 1500
−
199.9 to 900.0
0.0 to 210.0
−
199.9 to 900.0
0.0 to 210.0
Parameter
0
1
2
3
4
Input
K
J
T
E
L
U
N
R
S
B
Range
°
C
−
200
to
1300
−
20.0
to
500.0
−
100
to
850
−
20.0
to
400.0
−
200
to
400
−
199.9
to
400.0
0
to
600
−
100
to
850
−
200
to
400
−
199.9
to
400.0
−
200
to
1300
0
to
1700
0
to
1700
100
to
1800
°
F
−
300
to
2300
0.0
to
900.0
−
100
to
1500
0.0
to
750
−
300
to
700
−
199.9
to
700.0
0
to
1100
−
100
to
1500
−
300
to
700
−
199.9
to
700.0
−
300
to
2300
0
to
3000
0
to
3000
300
to
3200
Parameter
5
6
7
8
9
10
11
12
13
14
15
16
17
18
