HT Instruments HT78 手持式真有效值交流泄漏电流测量钳形表（3000ACA）

AC TRMS Current: 300mA (3Arms)/ 3A (30Arms)/ 30A (300Arms)/ 300A (3000Arms); ±(1.5%rdg + 8dgt); 50 ÷ 60Hz 

3000A  (3000Arms); ±(2.0%rdg + 8dgt); 50 ÷ 60Hz

DC analogical output: 300mA ( 3Arms)/ 3A  (30Arms)/ 30A  (300Arms)/ 300A (3000Arms)/ 3000A (3000Arms); ±(1.5%FS); 50 ÷ 60Hz

Internal Filter: Low-pass: 150Hz

Display: LCD, 4 dgt, LCD, 4 dgt, 3200 points + decimal point 

Sampling rate: 2 times/s

Overrange indication: “OL” message at display

Conversion mode: TRMS 

Power supply: 2x1.5V batteries type AAA LR03

Life battery: about 200 hours of continuous operation

AutoPowerOFF: after 10 minutes of idleness

Dimensions: 341(L) x 194(W) x 52(H)mm

Weight (including batteries): 1.9kg

Max conductor size: 108mm

Accessories:

Shoulder strap for HT78

Carrying bag HT78

Batteries and user manual