KT (AKT2,4,7,8,9,4H,4B)
7
Display
Specifications
KT2 KT4 KT8 KT9 KT7 KT4H/4B
Hysteresis (ON/OFF)
Thermocouple & RTD: 0.1 to 100.0°C (32.18 to 212°F)
DC current and DC voltage: 1 to 1000 (The decimal point place follows the selection)
Proportional band
For sensor input
range and DC
current,
DC voltage
0.0 to 110.0%
Thermocouple: 0 to 1000°C (0 to 2000°F)
RTD: 0.0 to 999.9°C (0.0 to 999.9°F)
DC current and DC voltage: 0.0 to 100.0%
For sensor input
range and DC
current,
DC voltage
0.0 to 110.0%
0 to 1000°C
(32 to 1832°F)
The decimal point
input: 0.0 to 1000°C
(32 to 1832°F)
DC current and DC
voltage: 0.0 to
100.0%
Integral time 0 to 1000 seconds
Derivative time 0 to 300 seconds
Proportional cycle 1 to 120 seconds
Allowable voltage fluctuation When 100 to 240V AC; 85 to 264V AC When 24V AC/DC; 20 to 28V AC/DC
Insulated resistance 500V DC 10MΩ or greater
Breakdown voltage
1.5kV AC for 1 min
between input
terminal and power
terminal, & between
output terminal and
power terminal
1.5kV AC for 1min between input terminal and ground terminal,
between input terminal and power terminal
between power terminal and ground terminal
between output terminal and ground terminal, & between output
terminal and power terminal
1.5kV AC for 1 min
between input terminal and power terminal,
& between output terminal and power
terminal
Malfunction vibration 10 to 55 Hz (0.35 mm) to each direction (120ms sweep) for 10 min.
10 to 55 Hz
(1 cycle/min.)
single amplitude
0.35 mm
(10 min. on 3 axes)
Breakdown vibration 10 to 55 Hz (0.75 mm) to each direction (120ms sweep) for 10 min.
10 to 55 Hz
(1 cycle/min.)
single amplitude
0.75 mm
(1 hour on 3 axes)
Malfunction shock X, Y & Z each direction for 5 times 98m/s
2
(10G)
Breakdown shock Same as above, but 294m/s
2
(30G)
Ambient temperature 0 to 50°C
Ambient humidity 35 to 85%RH (No condensation)
Mass Approx. 120g Approx. 130g Approx. 240g Approx. 370g Approx. 150g Approx. 120g
Waterproof IP66 (applicable only to the front panel subject to rubber gasket employed) None
IP66 (applicable only
to the front panel
subject to rubber
gasket employed)
Display character height
PV: 8.7mm,
SV: 8.7mm (PV/SV
switching display)
PV: 10.2mm
SV: 8.8mm
PV: 11.2mm
SV: 11.2mm
PV: 18mm
SV: 13.2mm
PV: 7.4mm
SV: 7.4mm
PV: 12mm
SV: 6mm
Options
Heating/Cooling
control
(Relay contact
material: silver
alloy)
Relay contact:
1a 3A 250V DC
(Resistive load)
Non contact relay
0.3A 250V AC
(Resistive load)
• Relay contact:
1a 250V AC 3A (Resistive load),
250V AC 3A (Inductive load cosø=0.4),
Electric life: 100,000 times
• Non-contact voltage:
12 V DC Max. 40mA
(Short-circuit protected)
• DC current: 4 to 20mA DC
Load resistance: Max. 550Ω
None
Relay contact:
Control capacity 1a:
3A 250V AC
(Resistive load),
Electric life: 100,000
times
Non-contact voltage:
12V DC±15% Max.
40mA (Short-circuit
protected)
Heater burn-out
alarm output
(Relay contact
material: silver
alloy)
—
Heater rated current must be selected from 5A, 10A, 20A and 50A.
Setting accuracy: Within 5% of heater rated current
Relay contact 1a 250V AC 3A (Resistive load), Electric life:
100,000 times
Open collector,
Control capacity:
24V DC 0.1A (Max.)
Specify either single-
phase 20 A, single-
phase 50 A, 3-phase
20 A, or 3-phase
50 A for rated heater
current.
Setting accuracy:
within ±5% of rated
heater current
Relay contact 1a: 3A
250V AC (Resistive
load), Electric life:
100,000 times
Communication
function
RS-485/Modbus Protocol (Modbus is a communication protocol developed for PLCs by Modicon Inc.)
Communication speed: 2400/4800/9600/19200bps
Tool port —
Communication
interface
C-MOS level
Cannot be used at
the same time as
serial communica-
tion (option).
*This port can only
be used with the tool
cable (AKT4H820).
Accessories
Mounting frame Included with unit Not available Included with unit
Ter minal cover Sold separately Not available Not available
Rubber gasket Not available Included with unit
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