HT Italia
M71 接地电阻测试仪 详细指标
Compact earth resistance tester · M71 has been developed to measure earth resistance with 2 wire…
详细指标
以下为该型号的技术指标,逐表取自官方《M71 用户手册》(英文版)TECHNICAL SPECIFICATIONS 章节、官方《M71》数据手册、官网产品页,表内数值按官方表格原样摘录(原文为英文;括号内为单位)。厂家未列出的项目即官网与手册均未给出,未作推测。
6.1. TECHNICAL FEATURES
• 值:Under modes EARTH-2W and EARTH-3W the instrument displays the symbol of warning whenever: • It is working under critical conditions, such as in the presence of input voltages • It cannot grant the uncertainty of measurement lower than 30% of reading, according to IEC/EN61557-1
6.1. TECHNICAL FEATURES · EARTH RESISTANCE MEASUREMENT
• 精度:Disturbance ≤ 3Vrms|值 3Vrms<Disturbance<6Vrms AUTO mode triggered
• 量程(Ω):0.01 ÷ 19.99|分辨率(Ω) 0.01;精度 ±(2%rdg + 3dgt);值 ±(4%rdg + 10dgt)
• 量程(Ω):20.0 ÷ 199.9|分辨率(Ω) 0.1
• 量程(Ω):200 ÷ 1999|分辨率(Ω) 1
• 量程(Ω):2.00 ÷ 19.99k|分辨率(Ω) 0.01k
• 量程(Ω):20.0 ÷ 49.9k|分辨率(Ω) 0.1k;精度 ±(3rdg + 3dgt);值 ±(6%rdg + 10dgt)
• Measurement frequency:110Hz ± 1Hz
• Test current:≤12mA AC
• Open circuit voltage:≤ 25Vrms
• 说明:Resistance values of the voltmetric (Rp) and ampermetric probes (Rc) always meet the following conditions:
• 说明:➢ If RA ≤ 10Ω → Rc, Rp ≤ 1kΩ
• 说明:➢ If 10Ω < RA ≤ 500Ω → Rc, Rp ≤ 100 * RA
• 说明:➢ If RA > 500Ω → Rc, Rp ≤ 50kΩ
6.1. TECHNICAL FEATURES · DISTURBANCE VOLTAGE MEASUREMENT
• 量程(V):0.0 ÷ 99.9|分辨率(V) 0.1;精度 ±(2%rdg + 2dgt)
• 量程(V):100 ÷ 299|分辨率(V) 1
• 说明:EN – 20
附件
• 说明:6.1.1. Reference guidelines
• Safety:IEC/EN61010-1, IEC/EN61557-1
• EMC:IEC/EN61326-1
• Technical literature:IEC/EN61187
• Accessory safety:IEC/EN61010-031, IEC/EN61010-2-032
• Insulation:double insulation
• Pollution degree:2
• Maximum height of use:2000m (6561ft)
• Measurement category:CAT III 240V, maximum 415V between inputs
• Earth resistance:IEC/EN61557-5
• 说明:6.1.2. General features
• 说明:Mechanical features
• Dimensions (L x W x H):240x100x45mm ; (9x4x2inches)
• Weight (including batteries):630g (22 ounces)
• Mechanical protection:IPXX
• 说明:Power supply
• Battery type:4x1.5 V alkaline batteries type AA LR6
• Low battery indication:symbol “ ” is displayed
• Battery life:approx. 500 measurements
• Auto Power OFF:after 5 minutes of idleness
• 说明:Display:
• 说明:LCD 53mm x 53mm ; (2x2inches)
• Reference temperature:23°C ± 5°C ; (73°F ± 41°F)
• Operating temperature:0°C ÷ 40°C ; (32°F ÷ 104 °F)
• Operating humidity:<80%RH
• Storage temperature:-10°C ÷ 60°C ; (14°F ÷ 140 °F)
• Storage humidity:<80%RH
• 说明:This instrument satisfies the requirements of Low Voltage Directive 2014/35/EU
• 说明:(LVD) and of EMC Directive 2014/30/EU
• 说明:This instrument complies the requirements of 2011/65/EU (RoHS) directive and
• 说明:2012/19/EU (WEEE) directive
• 说明:See enclosed packing list
• 说明:EN – 21
资源下载
以上规格取自 HT Italia(HT Instruments)官网 M71 产品页与其官方用户手册 TECHNICAL SPECIFICATIONS 章节,页面版式由 onetest 仪器资源库整理。
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