Analysis&Measurement / Kelvinion Monitor

Overview

Specifications

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Kelvinion Monitor

Modular Temperature Monitor

Users can configure up to 32 independent temperature channels per unit

32 Channels

Configurable channels per instrument

10

Sampling rate per channel per second

300 mK

Minimum measurement temperature

1 mK

Temperature measurement resolution

Real-time Precise Temperature Measurement

Industry-leading temperature measurement resolution, with up to 32 independent temperature channels supported per instrument.

Thermometer Types

Resistance / Diode / Thermocouple

The Kelvinion Monitor natively supports the above thermometer types

Resistance Resolution

100 μΩ

Maximum Measurement Resolution when Measuring Resistance Thermometers

Voltage Resolution

200 nV

Maximum Measurement Resolution when Measuring Diodes and Thermocouples

Channel Synchronization Time

100 μs

Synchronization Time Error < 100 μs

Application 1

Large-Scale Scientific Facilities

Featuring advanced communication protocols and cluster networking capabilities, ideally suited for use in synchrotron radiation sources, spallation neutron sources, superconducting tokamaks, and other major scientific installations.

Communication Protocol

Profibus / Modbus

Compatible with Profibus and Modbus protocols over RS-485 for

PLC integration(See Table 10. Communications for other supported protocols)

Sensor Cable Length

500 Meters

Supports Sensor Cables Longer than 500 m

Application 2

Cryogenic Engineering

With outstanding EMI resistance and superior performance across extreme temperature ranges, it is particularly suitable for demanding industrial environments including rare gas separation/purification, hydrogen liquefaction, helium recovery systems, and cryogenic pumps

IP Rating

IP40

Prevents the entry of dust particles larger than 1 mm and ensures reliable operation in such conditions

Operating Range

-20 ~ 60 °C

Storage temperature range: -40 to 85 °C.

Multiple Mounting Options

Compact and Efficient Design Meets the Requirements of Any Installation Environment.

Rack Mounting

DIN Rail Mounting

Panel Mounting

Usage & Service Support

Comprehensive Guide to Ensure a Smooth Start for Users

1. Control Software

The Kelvinion Monitor include powerful control software for data logging, plotting, settings, and curve editing. It’s ready to use, allowing full control with no programming required.

The Kelvinion Monitor features a 2.4-inch display with four buttons below it. Intuitive layout and operation enable quick and easy user familiarization. Key temperature parameters are prominently displayed for instant visibility.

The Kelvinion Monitor is equipped with communication interfaces including serial port, LAN, USB, and RS-485, and supports communication protocols such as SCPI, Modbus RTU, and Profibus, meeting the needs of diverse user applications.

Provide SDKs for LabVIEW™, Python, C, EPICS, etc., along with typical example programs, to enable users to quickly complete software development for the Kelvinion series instruments.

Provides quick guides, manuals, and technical documents to help users quickly learn the instrument’s operation.

Specifications

➨  Temperature Reading（Isolation between the input and control circuits to reduce interference and improve signal quality）

1    Measurement Channels

Number of Channels

Synchronization Time

2 ~ 32 independent measurement channels

Configurable by the user

< 100 µs

2    Temperature Sensor

Configuration

Supported Display Unit

Resistive Sensors

KChip, PT100, PT1000, Ge, Carbon-Glass, Cernox™ 和 Rox™

Diode Sensors

Si, GaAlAs

Thermocouples

J, K, E, T, S and all other thermocouple types

Ω / V / K / ℃

3    Measurement Range

Resistance

(Resistive Thermometer)

Voltage

(Diode & Thermocouple)

Temperature

0.1 mΩ ~ 100 kΩ

100 nV ~ 10 V

0.3 K ~ 1,600 K

(Depending on Sensor Configuration)

4    Accuracy

Details >>

5    Excitation

Resistive

Diode

Thermocouples

Constant-amplitude, polarity-alternating current excitation

Constant-amplitude, constant-polarity current excitation

N/A

6    Sampling Rate

10 times/s

7    Calibration Curve

1,000 stored curves (up to 400 points per curve)

➨  Installation & Operation

8    Display

2.4-inch LCD screen

9    Dimensions

2U Standard Rack Height

Master unit: 79 mm * 88.9 mm * 135 mm
Slave unit: 22.5 mm * 88.9 mm * 135 mm

10    Communication

Serial interface

RS485

LAN

Baud Rate

115200

Protocol

8 data bits, 1 stop bit, no parity

Baud Rate

9600

Protocol

Modbus & Profibus

Speed

10 M/100 M Auto-negotiation

Protocol

TCP/IP

11USB

USB Device mode

Supports importing/exporting calibration curves via PC connection, with 16 MB of built-in storage.

12    Power

Specifications

Maximum Power

Wide input voltage range: 100 – 240 V / 50 & 60 Hz

30 W

13    Certification

CE, RoHS

Product Data

Down.List

Product Declarations

2D / 3D file

Kelvinion Manual

.pdf

Consultation Purchase

Contact us

  • info@multifields.com

  • Building 2, Nonferrous Metals New Materials Science Park, Huairou Science City, Huairou District, Beijing