Home > Products > Primary Standards > Thermometry Bridges >

MilliK Precision Thermometer
Isotech, MilliK Precision Thermometer
New SPRT/PRT, Thermocouple, & Thermistor Precision Thermometer
  • Range: -270C to 1820C (3308F)
  • Accuracy: 0.005C (5mK) full range for PRTS
  • Resolution: 0.0001C (0.1mK)
  • SPRT/PRT, Thermocouple, Thermistor and 4-20mA Inputs
  • Full color graphical display
  • Store up to 180 days of measurements
  • Can control Isotech calibration baths
  • 4 AA batteries or universal power supply
Base Price: $4,985.00

Product Code: MILLIK

   Product Description

High Precision Thermometer - MilliK

The new milliK is a very high accuracy thermometer capable of performance to 0.003C with SPRTs and PRTs and also enables high accuracy measurement from thermistors, thermocouples and even 4-20 mA process inputs.It can be expanded with the millisKanner.

In addition to low uncertainty measurements from Reference Standards and Industrial sensor measurement the milliK can control Isotech temperature sources, sequencing through a programmable list of temperature set points and log data to internal memory or a USB drive.
  • High Accuracy 0.003C
  • SPRTs, PRTs, Thermistors, Thermocouples and 4 20mA Process Inputs
  • Expandable to 33 Channels
  • Can store a lifetime of logged data

The milliK Precision Thermometer from Isotech sets a new standard for the high accuracy measurement and calibration of Platinum Resistance Thermometers, Thermistors, Thermocouple and Process Instrumentation (4-20mA) over the range -270C to 1820C.

The milliK has two input channels for sensors and a third channel for current. It can be expanded to become a measuring system with up to 33 channels reading SPRTs,RTDs, Thermistors, or Thermocouples with the option to control calibration baths and log readings accurately.

In addition to low uncertainty measurements from Reference Standards and Industrial sensor measurement the milliK can control Isotech temperature sources, sequencing through a programmable list of temperature set points and log data to internal memory or a USB drive.

Wide Range of Sensors

SPRTs, PRTs, Thermistors, Thermocouple and 4 - 20mA

High Accuracy

  • < 5ppm for PRTs, 2V for Thermocouples and 1A Transmitters
  • Logs Controls Isotech Temperature Sources
  • Massive logging capacity controls Dry Blocks and Liquid Baths

Benefiting You

The milliK sets a new standard for value, versatility and accuracy - < 5ppm over range for PRTs, 2V for Thermocouples and 1A for current transmitters, see Data Sheet.
Supporting a wide range of sensors and functions it replaces individual devices making a cost effective calibration solution.
A robust design and operation from AC or DC power allows the milliK to be used in the laboratory, test room or out in the field.
The milliK can display in C, F, K, Ohms, mV and mA with numeric and graphical display modes. The large back lit display makes configuring the instrument and setting the scrolling strip charts intuitive. The USB port allows for the use of a mouse, keyboard or USB Drive.

No Compromise Design

The design team have considered industrial users and applications in order to avoid measurement errors and problems encountered in some instruments from other manufacturers:
Eliminates Thermal EMF Errors in PRTS
Fast current reversal technology and solid state switching eliminate thermal EMF effects avoiding the errors that occur with fixed DC instruments.

Lead Wire Correction

PRT lead wire errors are eliminated for up to 30m of four core screened cable.

Galvanic Isolation

Not only are the two sensor channels galvanically isolated, the 4 - 20mA input is also separately isolated. The benefits of the advance design are no ground loops, improved safety and noise immunity.

High Resolution

The display resolution is 0.0001C (0.1mK) made possible by using a powerful Sigma Delta Analogue to Digital converter to achieve a true measuring resolution of just 28 equivalent to 0.00007C (0.07mK) for PRT inputs.

Temperature Range -270C to 1820C (3308F)
Input Types SPRTs/PRTs, Thermocouples, Thermistors, & Process Inputs
Input Channels 3
Temperature Accuracy
3mK at 0C, 5mK over full range
0.03C to 0.23C depending on Thermocouple type, see full datasheet
Measurement Ranges
4-20 mA

0 to 115 ohms
0 to 460 ohms
0 to 32 kohms, 0 to 130 kohms & 0 to 490 kohms
0 to 30 mA
4-20 mA

0.00001 Ohm or 0.0001C (0.1mK)
0.00001 mV or 0.0001C (0.1mK)
0.001 Ohm or 0.0001C (0.1mK)
0.001 mA or 0.0001C (0.1mK)
Temperature Conversions

ITS-90, IEC 60751, Callendar-Van Duesen
IEC 584-1
Steinhart-Hart, Polynomial
Sensor Currents

1mA and 1.428mA reversing, 0.4%
5uA reversing
Keep Warm Currents

1mA and 1.428mA
Measurement Time 950 ms
Input Connections
4-20 mA

Lemo 6 Pin Gold Plated
Minature Thermocouple, ASTM E-1684-05
4 mm sockets
Display 3.5" QVGA (320 x 240) TFT LCD with LED Backlight
Display Units C, F, K, Ohm, mV or mA
Math Functions Display MIN / MAX, Peak to Peak, and Standard Deviation
Data Logging Capacity to store > 180 days or time stamped measurements to internal memory
PC Interface 19/100 Mb Ethernet (Rj45 Socket), USB (2.0) Host, and (2) x RS232 (9 pin D-type plug, 9600 Baud)
Operating Conditions 15-30C, 10-90% RH for Full Specification
Main Power 88-264 VAC, 47-63 Hz (universal), 6W maximum or 4 AA cells
Battery Rechargeable battery operates for approximately 10 hours
Dimensions (HxWxD) 255mm (~10") x 255mm (~10") x 114mm (~4.5")
Weight 2.25 kg (5 lbs.)
The 90 Second milliK Tour

A short video illustrating the main features of the milliK precision thermometer.

milliK - Data Display Views

A short video to illustrate the different views of the data measured on the milliK

milliK - The Settings Window

A short video illustrating the features available from the milliK's settings window

milliK - The Instrument Window

A short video illustrating the features and functions accessible from the instrument window of the milliK

Introducing the Isotech millisKanner

A short video introducing the millisKanner channel expander.


MilliK Datasheet Milliskanner Datasheet Millik Manual
MilliK Datasheet MilliSkanner Datasheet Millik Manual

Copyright  Isotech North America. All Rights Reserved.