เครื่องทดสอบความเป็นฉนวน รุ่น IR4057-20 แบรนด์ Hioki

• Digital insulation tester (INSULATION & CONTINUITY)  that comes with the All-in-One feature with the integrated design of the device with a case and test lead, making it extra durable. With a 5-level measurement range from 50 to 1000V and standard bar graph display CAT-III 600V

Features:

• Insulation Tester (INSULATION & CONTINUITY) 
• The measurement range is divided into 5 ranges 100MΩ, 250MΩ, 500MΩ, 2000MΩ, 4000M สูง
• with high stability and fast readings. Processed with PASS / FAIL system within 0.3 seconds. 
• AC / DC voltage built-in, easy to measure from 
• solar power generation and power systems in Naphana. 
• Test for falling to concrete from 1 meter height | CATⅢ 600V standard 
• LCD screen with LED Backlight 
• brand Hioki, Japan

Specification

• product code : IR4057-20
• producer : Hioki
• Measurement Range : 50 V / 100 MΩ to 1000 V / 4000 MΩ
• function
• PASS / FAIL judgment
• Live circuit indicator
• Automatic electric discharge
• Automatic DC / AC detection
• Comparator
• Built-in battery power indicator
• Sensor Output Interface : No
• Power Supply : LR6 alkaline battery × 4
• Resolution : 0.200
• Protection level : No
• save data : No
• Accuracy Resistance : ± 3% rdg. ± 2dgt. 
• AC voltage : ± 2.3% rdg. ± 8 dgt. 
• DC voltage : ± 1.3% rdg. ± 4 dgt.