Beijing

8B, Block A, Yard 6, Longxiang Plate Making Industrial Park, Huilongguan, Changping District

Name： TM208温度监视器

Date：2019-05-05

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TM208温度监视器

Product introduction：资料待更新········

面料：

类别：

型号：

Overview
Specifications
Parameter

TM208是具有8通道输入，几乎支持所有的二极管和电阻温度传感器。TM208能在屏幕上同时显示八个通道的开氏度（K）、摄氏度（℃）、电压（V）或电阻（Ω）。TM208的输入端都是按照低温测试的要求设计的，但其低噪音、高分辨率和大量程等特点使其在其他温区的测试场合下也能胜任。TM208有两种用于系统集成和数据自动化采集的电脑接口类型，分别为IEEE-488和串口。数据记录存储和打印机功能将有利于数据的自动化采集。两路模拟电压输出、报警功能和8路继电器增强了系统的集成性。

TM208温度监视器

性能和特点 Ø 配合合适的温度计，最低温度能测试到1.2K；Ø 八个传感器输入；Ø 支持二极管和电阻型传感器；Ø 在一块屏幕上同时显示八个传感器，单位可选择为K，℃，V 或 Ω；Ø IEEE-488 and RS-232C接口，模拟输出，继电器报警。规格和参数表1 支持的传感器

品名类型型号温度范围

二极管硅 Lakeshore DT-670 1.4-500K

硅 Eastchanging DT64 4K-500K

镓铝砷 Lakeshore TG-120 1.4-475K

正温度系数电阻铂 Lakeshore PT-100 30-800K

铂 Eastchanging PT100 14-800K

铑铁 Lakeshore RF-800-4 4-400K

铑铁 Eastchanging RF50 1.2-500K

负温度系数电阻锗 Lakeshore GR-200A-1000 2-100K

锗 Lakeshore GR-200A-250 1.2-40K

玻璃碳 Lakeshore CGR-1-500 3-400K

Cernox Lakeshore CX-1050 AA or SD 3.5-400K

Cernox Lakeshore CX-1030 AA or SD 2-325K

氧化钌 Lakeshore RX-102A 3-200K

氧化钌 Lakeshore RX-202A 3-300K

渗碳陶瓷 Eastchanging CC870 4-500K

表2 具体参数

温度测定法

输入数量 8

输入结构 2组，每组包括4个输入。每组必须有相同的输入类型。

测试类型 4线法

激励 8组恒流源

支持的传感器（温度量程）硅二极管，镓铝砷二极管，PT100铂电阻，锗，玻璃碳，Cernox，氧化钌，渗碳陶瓷

精准度/分辨率见表3

最大读取速度每秒16个读数

标准曲线 DT-470、DT-670、 CTI-C、DT-500D、PT-100、PT-1000

用户（自定义）曲线八通道存储（每个输入对应一个），每条曲线最多200取值点

两点或三点修正功能范围为30K~375K的二极管准确度提高到±0.25K，范围为70K~375K的铂电阻温度传感器准确度提高为±0.25K。修正后的曲线可存储为用户曲线。

数学计算最大值、最小值和线性方程

滤波对2~64次的输入值做平均

前面板

显示 4行20字符液晶显示

显示输入编号 1~8

显示单位 K, ℃, V, Ω

显示更换频率每秒显示2次读数

温度显示分辨率量程0° - 99.999°时0.001°，100° – 999.99°时0.01°，1000°以上时0.1°

传感单元显示分辨率取决于所选传感器，5位数字显示

信号器显示远程（R）、报警（A）、数据记录（D）、最大（>）、最小（<）、线性（/）

键盘 20个防水膜键，包括数字和功能键

前面板曲线输入支持

接口

IEEE-488.2接口 SH1、AH1、T5、L4、SR1、RL1、PP0、DC1、DT0、C0、E1

串行接口 RS-232

打印能力支持串口打印，依据数据记录的参数设定

报警

数目记录每次输入16个最大值和最小值

数据源温度、传感器、线性方程

设置单位、最高设置点、最低设置点、无控制区、闭环或开环、有报警声或无报警声

方式显示报警、蜂鸣器、继电器

继电器

数目 8

控制方式常开（NO），常闭（NC），普通（C）

控制 5A30V的直流电

应用每一个输入也许配置驱动8个继电器中任何一个或者全部。继电器功能也许在以下情况下被激活：测量值偏高和偏低或每一路输入报警或者人工操作

模拟输出修正

量程用户选择

范围 ±10 V

分辨率 1.25mV

偏差 ±2.5m V

最小负载： 1kΩ

数据存储

读取 1~8个记录值

操作存储数据并传送给打印机。用户可以显示、打印或通过电脑接口读取存储数据

数据容量最大支持1500个单次读取记录

通用

环境温度 15-35°C标准精准度，10-40°C较标准精准度有所偏差

电源配置 110或220VAC，+6% –10%，5

Last：TC290 temperature controllerNext：TC202控温仪

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