Kelvinion Low-Temperature Temperature Controller

Brand：MultiFields

Model : Kelvinion

Q'ty :

8 independent high-precision temperature measurement channels (compatible with RTD, Diode, and Thermocouple sensors).
2 high-power PID output channels (100 W + 50 W max.),
2 relay outputs, and 2 analog output channels.

Equipped with practical features such as PID closed-loop control, Zone mode, ramp rate programming, and active overheat detection, the Kelvinion controller is an essential tool for low-temperature research.

Key Features:

8-channel temperature measurement (RTD/Diode/Thermocouple)
Dual PID outputs (100 W + 50 W)
Relay and analog outputs
PID closed-loop control
Zone-based temperature profiles
Adjustable temperature ramp rates
Active overheat protection

01. Input	Input Channels	8
	Isolation	Galvanic isolation between sensor input channels and control circuit
	Analog - to - Digital Conversion	24 - bit
	Update Rate	10 times/second
	User Curves	More than 1000 curves (maximum 400 points per curve)
	Filter	Kalman Filter
02. Input Parameters	Sensor Types	Diode type / Resistance type / Thermocouple
	Measurement Type	4 - wire method
	Excitation	Current excitation with constant amplitude and alternating direction (for resistance type)
	Supported Sensors	Diodes: Si, GaAlAs; Resistance type: 100 Ω & 1000 Ω Pt, Ge, Carbon - Glass, Cernox®, RO, and Rox™ Thermocouples: J, K, E, T, S
	NTC - Input Range	0~10 Ω, 0~30 Ω, 0~100 Ω, 0~300 Ω, 0~1 kΩ, 0~3 kΩ, 0~10 kΩ, 0~30 kΩ, 0~100 kΩ
	NTC - Excitation Current	1 mA, 0.3 mA, 0.1 mA, 30 μA, 10 μA, 3 μA, 1 μA, 0.3 μA, 0.1 μA
	NTC - Measurement Resolution	0.15 mΩ, 0.45 mΩ, 1.5 mΩ, 4.5 mΩ, 15 mΩ + 0.02‰ of rdg, 45 mΩ + 0.02‰ of rdg, 150 mΩ + 0.02‰ of rdg, 450 mΩ + 0.02‰ of rdg, 1.5 Ω + 0.05‰ of rdg
	NTC - Accuracy	8 mΩ, 20 mΩ, 50 mΩ, 120 mΩ, 0.5 Ω + 0.02‰ of rdg, 1.2 Ω + 0.02‰ of rdg, 5 Ω + 0.02‰ of rdg, 15 Ω + 0.02‰ of rdg, 15 Ω + 0.02‰ of rdg
03. Temperature Control	Temperature Control Channels	2
	PID Tuning	Auto - tuning of PID parameters
	PID Parameters	P (Proportional): - 10000 ~ 10000; Setting resolution 0.01 I (Integral): - 10000 ~ 10000; Setting resolution 0.01 D (Derivative): - 10000 ~ 10000 %; Setting resolution 0.01 % Manual Power Setting: 0 - 10000% (10.000% step)
	Zone Mode	5 temperature zones, each with independently settable PID and power range
	Set Temperature Ramp Rate	0.1 K/min ~ 20 K/min
04. Output Channel 1	Type (25Ω Heater)	Adjustable DC current output
	Digital - to - Analog Conversion (25Ω Heater)	16 - bit
	Maximum Power (25Ω Heater)	100 W
	Maximum Current (25Ω Heater)	2 A
	Voltage Limit (25Ω Heater)	50 V
	Heater Load (25Ω Heater)	Default: 10 ~ 100 Ω User - customizable
	Power Zones (25Ω Heater)	3
	Type (50Ω Heater)	Adjustable DC current output
	Digital - to - Analog Conversion (50Ω Heater)	16 - bit
	Maximum Power (50Ω Heater)	50 W
	Maximum Current (50Ω Heater)	1 A
	Voltage Limit (50Ω Heater)	50 V
	Heater Load (50Ω Heater)	Default: 10 ~ 100 Ω User - customizable
	Power Zones (50Ω Heater)	3
05. Output Channel 2	Type (25Ω Heater)	Adjustable DC current output
	Digital - to - Analog Conversion (25Ω Heater)	16 - bit
	Maximum Power (25Ω Heater)	50 W
	Maximum Current (25Ω Heater)	1.4 A
	Voltage Limit (25Ω Heater)	50 V
	Heater Load (25Ω Heater)	Default: 10 ~ 100 Ω User - customizable
	Power Zones (25Ω Heater)	3
	Type (50Ω Heater)	Adjustable DC current output
	Digital - to - Analog Conversion (50Ω Heater)	16 - bit
	Maximum Power (50Ω Heater)	25 W
	Maximum Current (50Ω Heater)	1 A
	Voltage Limit (50Ω Heater)	50 V
	Heater Load (50Ω Heater)	Default: 10 ~ 100 Ω User - customizable
	Power Zones (50Ω Heater)	3
06. General	Relay Outputs	2
	Analog Outputs	2 channels, ± 10V, 16 - bit
	Communication - Serial Port (USB)	USB - TypeB port, Baud rate 115200
	Communication - GPIB	IEEE488.2 protocol, addressable support
	Communication - LAN	TCP/IP protocol, 10M/100M auto - negotiation rate, support for setting IP address and port number
	Display	5.0 - inch touch screen; Resolution: 1280 x 720
	Storage Space	16 M, PC driver - free direct connection
	Safety Protection	Heater short - circuit & open - circuit protection; Over - temperature protection; Power supply ground detection
	Dimensions	430(W) * 88.9(H) * 358(L) (Unit: mm)
	Power Supply	100 – 240 V wide - range input, maximum 150 W

Temperature measurement and control down to 300 mK.
8 independent temperature measurement channels with resolution up to 0.1 mK (24 - bit ADC).
Supports resistance - type, diode - type, and thermocouple sensors.
Automatically adjusts thermometer excitation current for highest measurement accuracy and lowest heat generation.
Supports 1000 + user - defined 分度表 (calibration tables).
2 PID output channels with maximum power of 100 W + 50 W.
Supports 2 - channel relay and 2 - channel analog signal output.
Adjustable temperature ramp rate (heating/cooling rate).
PID parameters can switch according to zone tables in different temperature ranges (Zone mode).
Supports USB (serial port), Ethernet port, and GPIB communication.
Equipped with safety protections: heater short - circuit and open - circuit detection, setpoint and temperature limit monitoring, etc.

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