类型:手持式静电测试仪 品牌:3M 型号:3M701 测量范围:（MΩ） 测试电压:10~100（V）
3M 701表面电阻测试仪符合下列标准: EOS/ESD,S4.1-1990,(工作表面-电阻特性).EOS/ESD DS7.1-1992,(地板材料-电阻特性)等有关表面电阻的国际标准.
备有10V和100V两个测试电压,颜色编码显示和数字刻度.
3M741D产品描述：
740 Wrist strap + 741Dshoe tester: The 740 wrist strap and shoe tester consists of: - Instruction manual with daily log sheet - Base unit - Data output connector plug - Wall mounting kit, 3M Dual Lock? fastening system and template - Cover for wrist strap plug-in jack - AC/DC transformer - Ground cord Accessories: - Shoe electrode type 741 (single electrode) sold separately The 741 shoe electrode must be connected if footwear testing is required.
740 Properties
GB3007-97以及欧盟EN61340防静电标准；SJ/T11236以及欧盟EN60598-1：2004安全标准；欧盟EN61547：1995+2000电磁兼容性标准；并获得国家3C以及欧盟CE认证
产品描述：
740 Wrist strap 741Dshoe tester: The 740 wrist strap and shoe tester consists of: - Instruction manual with daily log sheet - Base unit - Data output connector plug - Wall mounting kit, 3M Dual Lock? fastening system and template - Cover for wrist strap plug-in jack - AC/DC transformer - Ground cord Accessories: - Shoe electrode type 741 (single electrode) sold separately The 741 shoe electrode must be connected if footwear testing is required.
740 Properties
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Dimensions |
5.43 in. x 7.48 in. x 2.09 in.
(13,8 cm x 19,0 cm x 5,3 cm) |
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Weight |
15.75 oz. (450 gm) |
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Power Supply |
27 volt DC transformer,
150 mA (AC/DC adapter suplied)
6 ft. (1,8 m) wire |
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Test Voltage |
20 volts DC, ± 1 volt (open circuit) |
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Resistance Ranges |
Lower limit: 750K ohms |
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Upper limit
wrist strap |
2, 5, 10 and 35M ohms |
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Upper limit
footwear |
10, 35, 50 and 100M ohms |
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Accuracy |
20%, -0% for 750K ohms lower limit
±10% for 2M, 5M, 10M, 35M and 50M
ohms ±20% for 100M ohms |
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Output |
Open collector at pins 1, 2, 4 and 5.
DC return at pin 5. 5 volts at pin 3. | |
