Nanjing

Building 11, Phase 3, Liandong U Valley, No. 7 tonglian Road, Jiangning District

Name： TM290 Temperature Monitor

Date：2019-05-05

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TM290 Temperature Monitor

Product introduction：资料待更新········

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Overview
Specifications
Parameter

TM290 has 8 channels of input and supports almost all diode and resistance temperature sensors. TM290 can simultaneously display the Kelvin (K), Celsius (℃), voltage (V), or resistance (Ω) of eight channels on the screen. The input terminals of TM290 are designed according to the requirements of low-temperature testing, but its low noise, high resolution, and large range make it suitable for testing in other temperature zones. TM290 has two types of computer interfaces for system integration and data automation acquisition, namely IEEE-488 and serial port. The functions of data recording storage and printer will facilitate the automated collection of data. Two analog voltage outputs, alarm function, and eight relays enhance the integration of the system.

TM290 Temperature Monitor

Performance and Features

◆ With the appropriate thermometer, the minimum temperature can be tested up to 1.2K;

◆ Eight sensor inputs;

◆ Supports diode and resistance sensors;

Display eight sensors simultaneously on one screen, with units selectable as K, ℃, V, or Ω;

IEEE-488 and RS-232C interfaces, analog output, relay alarm.

Specifications and parameters

Supported sensors

Silicon diode, gallium aluminum arsenide diode, platinum resistor, rhodium iron, germanium, glassy carbon, CerNOx, ruthenium oxide, carburizing ceramic

Temperature measurement method

◆ Input quantity 8

Two sets of input structures, each consisting of four inputs. Each group must have the same input type.

◆ Test type 4-wire method

◆ Motivate 8 groups of constant current sources

◆ Maximum reading speed of 16 readings per second

User (custom) curve eight channel storage (one for each input), with a maximum of 200 value points per curve

The accuracy of diodes with a two-point or three-point correction function range of 30K~375K has been improved to ± 0.25K, and the accuracy of platinum resistance temperature sensors with a range of 70K~375K has been improved to ± 0.25K. The corrected curve can be stored as a user curve.

◆ Mathematical calculation: maximum value, minimum value, and linear equation

◆ Filtering: Average the input values from 2 to 64 times

◆ Display: 4-line 20 character LCD display

◆ Display input numbers: 1~8

Display units: K, ℃, V, Ω

◆ Display replacement frequency: Display 2 readings per second

Temperature display resolution: 0.001 ° from 0 ° to 99.999 ° C

0.01 ° from 100 ° to 999.99 °

0.1 ° above 1000 °

◆ Sensor unit display resolution: Depending on the selected sensor, 5-digit display

Signal display: remote (R), alarm (A), data recording (D), maximum (>), minimum (<), linear (/)

◆ Keyboard: 20 waterproof membrane keys, including numeric and function keys

◆ Supporting interfaces: IEEE-488.2 interface SH1 AH1、T5、L4、SR1、RL1、PP0、DC1、DT0、C0、E1

Serial interface RS-232

Printing capability: Supports serial port printing, set according to the parameters recorded in the data

Number: Record 16 maximum and minimum values entered each time

◆ Data sources: temperature, sensors, linear equations

◆ Settings: Unit, maximum set point, minimum set point, no control zone, closed-loop or open-loop, with or without alarm sound

◆ Method: Display alarm, buzzer, relay

Last：TC290 temperature controllerNext：TC202 temperature controller

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