Hioki-3490 เครื่องทดสอบความเป็นฉนวน (Analog M-Ohm HiTESTER)

HIOKI-3490 | ฟังก์ชั่นการวัด

ทดสอบความเป็นฉนวน

HIOKI-3490 | จุดเด่น

HIOKI-3490 | ช่วงการวัด

100MΩ (250V)
100MΩ (500V)
4000MΩ (1000V)

HIOKI-3490 | Power Supply

Battery Alkaline AA × 4

HIOKI-3490 | ขนาดสินค้า

159 x 177 x 53mm

HIOKI-3490 | อุปกรณ์ที่มาในชุด

Analog MΩ HiTester 3490

L9787 Test Lead

Shoulder strap

LR6 Alkaline Battery AA × 4

Instruction manual

HIOKI-3490 | อุปกรณ์เสริม

TEST LEAD L9787

BREAKER PIN L9787-91

TEST LEAD SET WITH REMOTE SWITCH L9788-11

BREAKER PIN L9788-92

TEST LEAD WITH REMOTE SWITCH (RED) L9788-10

TIP PIN L9788-90

MAGNETIC ADAPTER 9804-02

HIOKI-3490 | ข้อมูลจำเพาะ

Rated output voltage: 250 V DC500 V DC1000 V DC

Effective maximum indicated value: 100 MΩ4000 MΩ

Center scale value: 1 MΩ50 MΩ

1st effective measuring range: 0.05 to 50 MΩ2 to 1000 MΩ±2% of scale length

2nd effective measuring range: 0.01 to 0.05 MΩ
50 to 100 MΩ0.5 to 2 MΩ
1000 to 4000 MΩ±2% of scale length

Open circuit voltage: 1 to 1.2 times of rated output voltage

Lower limit measurement resistance value to be maintained rated output voltage: 0.25 MΩ0.5 MΩ1 MΩ

Rated current: 1 mA (Tolerance: 1 to 1.2 times of the rating value)

Overload protection: 1200 V AC (10 sec.)

Resistance Measurement

Ranges: 3 Ω30 Ω

Center scale value: 1.5 Ω15 Ω

Accuracy: ±0.09 Ω±0.9 Ω

Open circuit voltage: 4.1 to 6.9 V

Measuring current: 200 mA DC or more20 mA DC or more

Overload protection: 720 V AC (10 sec., by Fuse)

AC voltage Measurement

Measuring range: 0 to 600 V (50/60 Hz)

Accuracy: ±5% of maximum scale value

Input resistance: 100 kΩ or more (50/60 Hz)

Overload protection: 1200 V AC (10 sec.)