通化智能土壤养分温湿度检测仪TRF-4B

<晴风村n lang="EN-US" style="background: white; color: red; font-family: 宋体; font-size: 18pt;">TRF-4B<晴风村n style="background: white; color: red; font-family: 宋体; font-size: 18pt;">高智能<晴风村n style="color: red; font-family: 宋体; font-size: 18pt;">土壤养分速测仪<晴风村n lang="EN-US" style="color: red; font-family: 宋体; font-size: 12pt;">

<晴风村n lang="EN-US" style="background: white; color: red; font-family: 宋体; font-size: 12pt;"> 

<晴风村n style="font-size: small;"><晴风村n style="font-family: "Times New Roman";">nnecttype="rect" gradientshapeok="t" o:extrusionok="f"><晴风村n style="font-size: small;"><晴风村n style="font-family: "Times New Roman";"><晴风村n style="color: blue; font-family: 宋体;"><晴风村n style="font-size: small;">功能简介：<晴风村n lang="EN-US">
<晴风村n style="font-size: small;"><晴风村n style="font-family: 宋体;">★<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">*<晴风村n style="font-family: 宋体;">进口大规模嵌入式数字单片机技术，工作稳定、测试精度高、测试功能可扩展。铝合金机箱包装，便于携带、钣金机壳设计，坚固耐用。

<晴风村n style="font-family: 宋体;"><晴风村n style="font-size: small;">★可检测土壤及化肥、有机肥、生物肥、植株中的**氮、**磷、有效钾、全氮、全磷、全钾、有机质含量，土壤酸碱度（定性和定量）、含盐量、空气温度、湿度、露点、土壤水分、土壤温度。

<晴风村n style="font-size: small;"><晴风村n style="font-family: 宋体;">★<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">*<晴风村n style="font-family: 宋体;">空气温湿度、露点传感器为内置传感器。

<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">*<晴风村n style="font-family: 宋体;">可按当地情况设定作物品种，作物产量、肥料品种，可对<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">85<晴风村n style="font-family: 宋体;">种国内农业、果树、经济作物的目标产量计算推荐施肥量。

<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">★*<晴风村n style="font-family: 宋体;">仪器内置操作程序具有中英文双切换功能，大屏幕液晶显示中文或英文，并指导每一步的操作流程。

<晴风村n style="font-size: small;"><晴风村n style="font-family: 宋体;">★<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">*<晴风村n style="font-family: 宋体;">数字化线路、程序化设计，<晴风村n style="background: white; font-family: 宋体;">高清<晴风村n style="font-family: 宋体;">真彩液晶触摸屏幕，不用触摸笔，只用手指操控即可<晴风村n style="font-family: 宋体;">。

<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">*<晴风村n style="font-family: 宋体;">暗盒部分采用五通道固态化模块、多光路、串列式结构设计，光源与信号接收、比色暗箱体部分融为一体，无机械位移及磨损，光路测试定位，保证测定结果精度。<晴风村n lang="EN-US">
<晴风村n style="font-size: small; font-family: "Times New Roman";">*<晴风村n style="font-size: small;"><晴风村n style="font-family: 宋体;">采用高亮度<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">LED<晴风村n style="font-family: 宋体;">灯作为光源，硅半导体作为信号接收系统，寿命长达<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">10<晴风村n style="font-family: 宋体;">万小时级别。光源稳定，一致性好。

<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">★*<晴风村n style="font-family: 宋体;">测试数据可以由用户选择存储在仪器内存中，断电不丢失数据库。用户可随时从仪器显示屏中调取测试历史数据进行查询，也可以将数据记录删除，存储数据可达<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">20000<晴风村n style="font-family: 宋体;">条。

<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">*<晴风村n style="font-family: 宋体;">内置板式时钟芯片，屏幕可同步显示当前的年、月、日、小时、分钟。

<晴风村n style="font-size: small;"><晴风村n style="font-family: "Times New Roman";"><晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">*<晴风村n style="font-family: 宋体;">随机配备《计算机管理软件》，可以安装在计算机上，将仪器的测试数据上传给计算机，生成数据库，便于用户<晴风村n style="font-family: "Times New Roman";"> <晴风村n style="font-family: 宋体;">查询、统计、对比、打印，同时远程传送，数据互享。<晴风村n lang="EN-US">
<晴风村n style="font-size: small; font-family: "Times New Roman";">*<晴风村n style="font-size: small;"><晴风村n style="font-family: 宋体;">供电采用单孔式独立插座，可接入<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">220V<晴风村n style="font-family: 宋体;">交流电、汽车点烟器电源、太阳能电源或者其他任意<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">7.5V-35V<晴风村n style="font-family: 宋体;">直流电源。

<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">★*<晴风村n style="font-family: 宋体;">随机配备微型打印机可随时打印测试数据，可打印出检测日期、检测时间、检测项目、肥料品种、肥料含量、肥料利用率、养分含量、作物品种、作物产量、施肥数量、等相关信息，内容详细丰富。

<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">*<晴风村n style="font-family: 宋体;">供电采用大功率内置式锂电池组，配备自动充电电路，交直流两用。单孔式独立插座，可接入<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">220V<晴风村n style="font-family: 宋体;">交流电、汽车点烟器电源、太阳能电源或者其他任意<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">7.5V-35V<晴风村n style="font-family: 宋体;">直流电源，可实现野外流动测试。

<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">★<晴风村n style="font-family: 宋体;">仪器具有对光照度，二氧化碳，<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">GPS<晴风村n style="font-family: 宋体;">定位功能的升级检测功能，屏幕如实显示各升级功能触摸按键，如用户需要升级可将仪器退回厂家，由厂家负责升级（费用另算）。

<晴风村n style="color: blue; font-family: 宋体;"><晴风村n style="font-size: small;">测试技术参数：<晴风村n lang="EN-US">
<晴风村n style="font-size: small; font-family: "Times New Roman";">1<晴风村n style="font-family: 宋体;"><晴风村n style="font-size: small;">、养分测量技术参数：<晴风村n lang="EN-US">
<晴风村n style="font-size: small; font-family: "Times New Roman";">(1)<晴风村n style="font-size: small;"><晴风村n style="font-family: 宋体;">稳定性：<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">A<晴风村n style="font-family: 宋体;">值（吸光度）三分钟内飘移小于<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">0.003
(2)<晴风村n style="font-family: 宋体;">重复性：<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">A<晴风村n style="font-family: 宋体;">值（吸光度）小于<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">0.005
(3)<晴风村n style="font-family: 宋体;">线性误差：小于<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">3.0%
(4)<晴风村n style="font-family: 宋体;">灵敏度：红光≥<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">4.5<晴风村n style="font-family: 宋体;">×<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">10-5<晴风村n style="font-family: 宋体;">；蓝光≥<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">3.17<晴风村n style="font-family: 宋体;">×<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">10-3
(5)<晴风村n style="font-family: 宋体;">波长范围：红光<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">620<晴风村n style="font-family: 宋体;">±<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">4nm<晴风村n style="font-family: 宋体;">；蓝光<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">440<晴风村n style="font-family: 宋体;">±<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">4nm  <晴风村n style="font-family: 宋体;">绿光<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">550<晴风村n style="font-family: 宋体;">±<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">4nm 

<晴风村n style="font-family: 宋体;"><晴风村n style="font-size: small;">抗震性：合格<晴风村n lang="EN-US">
<晴风村n style="font-size: small; font-family: "Times New Roman";">(<晴风村n style="font-size: small;"><晴风村n style="font-family: 宋体;">注<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">:<晴风村n style="font-family: 宋体;">上述技术参数均高于**标准<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">)

<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">2<晴风村n style="font-family: 宋体;">、电源：

<晴风村n style="font-size: small;"><晴风村n style="font-family: 宋体;">（<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">1<晴风村n style="font-family: 宋体;">）直流锂电池电源：<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">18V<晴风村n style="font-family: 宋体;">、<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">5W<晴风村n style="font-family: 宋体;">，<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";"> (2)<晴风村n style="font-family: 宋体;">交流市电：<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">180V<晴风村n style="font-family: 宋体;">～<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">240V<晴风村n style="font-family: 宋体;">、<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">50<晴风村n style="font-family: 宋体;">赫兹

<晴风村n style="font-size: small;"><晴风村n style="font-family: 宋体;">（<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">3<晴风村n style="font-family: 宋体;">）直流电源可接汽车点烟器电源、太阳能电源或者其他任意<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">7.5V-35V<晴风村n style="font-family: 宋体;">直流电源。

<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">3<晴风村n style="font-family: 宋体;">、<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">PH<晴风村n style="font-family: 宋体;">值（酸碱度）测量技术参数：

<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";"> (1)<晴风村n style="font-family: 宋体;">测试范围：<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">1<晴风村n style="font-family: 宋体;">～<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">14 (2)<晴风村n style="font-family: 宋体;">误差：±<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">0.1
4<晴风村n style="font-family: 宋体;">、盐量（电导）测量技术参数：

<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";"> (1)<晴风村n style="font-family: 宋体;">测试范围：<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">0.01%<晴风村n style="font-family: 宋体;">～<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">1.00% (2)<晴风村n style="font-family: 宋体;">相对误差：±<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">5%

<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">5<晴风村n style="font-family: 宋体;">、空气湿度技术参数：

<晴风村n style="font-size: small;"><晴风村n style="font-family: 宋体;">（<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">1<晴风村n style="font-family: 宋体;">）测量范围：<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";"> 0<晴风村n style="font-family: 宋体;">～<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">****RH    <晴风村n style="font-family: 宋体;">（<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">2<晴风村n style="font-family: 宋体;">）输出范围：<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";"> 0<晴风村n style="font-family: 宋体;">～<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">5VDC  <晴风村n style="font-family: 宋体;">（<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">3<晴风村n style="font-family: 宋体;">）分<晴风村n style="font-family: "Times New Roman";"> <晴风村n style="font-family: 宋体;">辨<晴风村n style="font-family: "Times New Roman";"> <晴风村n style="font-family: 宋体;">率：<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";"> 0.1%RH  <晴风村n style="font-family: 宋体;">（<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">4<晴风村n style="font-family: 宋体;">）准<晴风村n style="font-family: "Times New Roman";"> <晴风村n style="font-family: 宋体;">确<晴风村n style="font-family: "Times New Roman";"> <晴风村n style="font-family: 宋体;">度：<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";"> ±2%<晴风村n style="font-family: 宋体;">（<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">T>0<晴风村n style="font-family: 宋体;">℃）<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">RH <晴风村n style="font-family: 宋体;">（<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">5<晴风村n style="font-family: 宋体;">）稳<晴风村n style="font-family: "Times New Roman";"> <晴风村n style="font-family: 宋体;">定<晴风村n style="font-family: "Times New Roman";"> <晴风村n style="font-family: 宋体;">性：<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";"> <1%RH/<晴风村n style="font-family: 宋体;">年

<晴风村n style="font-size: small;"><晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">6<晴风村n style="font-family: 宋体;">、空气温度技术参数：

<晴风村n style="font-size: small;"><晴风村n style="font-family: 宋体;">（<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">1<晴风村n style="font-family: 宋体;">）温度范围<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">: -50<晴风村n style="font-family: 宋体;">～<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">150<晴风村n style="font-family: 宋体;">℃<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">    <晴风村n style="font-family: 宋体;">（<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">2<晴风村n style="font-family: 宋体;">）温度精度<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">: ±0.1<晴风村n style="font-family: 宋体;">℃<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">    <晴风村n style="font-family: 宋体;">（<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">3<晴风村n style="font-family: 宋体;">）温度显示分辩率<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">: 0.1<晴风村n style="font-family: 宋体;">℃<晴风村n lang="EN-US">
<晴风村n style="font-size: small; font-family: "Times New Roman";">7<晴风村n style="font-family: 宋体;"><晴风村n style="font-size: small;">、空气露点温度技术参数：

<晴风村n style="font-size: small;"><晴风村n style="font-family: 宋体;">（<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">1<晴风村n style="font-family: 宋体;">）测量范围：<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">-40<晴风村n style="font-family: 宋体;">～<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">50<晴风村n style="font-family: 宋体;">℃<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">      <晴风村n style="font-family: 宋体;">（<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">2<晴风村n style="font-family: 宋体;">）分辨率：<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">0.1<晴风村n style="font-family: 宋体;">℃<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">     <晴风村n style="font-family: 宋体;">（<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">3<晴风村n style="font-family: 宋体;">）准确度：<晴风村n lang="EN-US"><晴风村n style="font-family: "Times New Roman";">±0.1<晴风村n style="font-family: 宋体;">℃

<晴风村n style="font-size: small;"><晴风村n lang="EN-US" style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><晴风村n style="font-family: "Times New Roman";">8<晴风村n style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体;">、土壤水分技术参数：<晴风村n lang="EN-US" style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">

<晴风村n style="font-size: small;"><晴风村n style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体;">（<晴风村n lang="EN-US" style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><晴风村n style="font-family: "Times New Roman";">1<晴风村n style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体;">）量<晴风村n style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><晴风村n style="font-family: "Times New Roman";"> <晴风村n style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体;">程：<晴风村n lang="EN-US" style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><晴风村n style="font-family: "Times New Roman";">0<晴风村n style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体;">～<晴风村n lang="EN-US" style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><晴风村n style="font-family: "Times New Roman";">**** <晴风村n style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体;">（<晴风村n lang="EN-US" style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><晴风村n style="font-family: "Times New Roman";">2<晴风村n style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体;">）测量精度：<晴风村n lang="EN-US" style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><晴风村n style="font-family: "Times New Roman";">±2% <晴风村n style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体;">（<晴风村n lang="EN-US" style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><晴风村n style="font-family: "Times New Roman";">3<晴风村n style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体;">）测量稳定时间：<晴风村n lang="EN-US" style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><晴风村n style="font-family: "Times New Roman";">< 2<晴风村n style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体;">秒<晴风村n lang="EN-US" style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">

<晴风村n style="font-size: small;"><晴风村n lang="EN-US" style="background: white;"><晴风村n style="font-family: "Times New Roman";">9<晴风村n style="background: white; font-family: 宋体;">、温度测试技术参数：<晴风村n lang="EN-US" style="background: white;">

<晴风村n style="font-size: small;"><晴风村n style="background: white; font-family: 宋体;">（<晴风村n lang="EN-US" style="background: white;"><晴风村n style="font-family: "Times New Roman";">1<晴风村n style="background: white; font-family: 宋体;">）量<晴风村n style="background: white;"><晴风村n style="font-family: "Times New Roman";"> <晴风村n style="background: white; font-family: 宋体;">程：<晴风村n lang="EN-US" style="background: white;"><晴风村n style="font-family: "Times New Roman";">-50℃<晴风村n style="background: white; font-family: 宋体;">～<晴风村n lang="EN-US" style="background: white;"><晴风村n style="font-family: "Times New Roman";">100℃ <晴风村n style="background: white; font-family: 宋体;">（<晴风村n lang="EN-US" style="background: white;"><晴风村n style="font-family: "Times New Roman";">2<晴风村n style="background: white; font-family: 宋体;">）测量精度：<晴风村n lang="EN-US" style="background: white;"><晴风村n style="font-family: "Times New Roman";">±1℃

<晴风村n style="font-size: small; font-family: "Times New Roman";"><晴风村n lang="EN-US" style="background: white;">智能土壤养分温湿度检测仪TRF-4B