ETCR ETCR2100C+ מהדק דיגיטלי קרקע אדמה עמידות בפני אדמה בודק 0.01-1200Ω

מאפיינים מוצהרים

- Function:

Ground resistance test, Loop resistance test

- Power Supply:

6VDC 4 PCS of AA Alkaline batteries

- Resistance Range:

0.01-1200Ω

- Resistance Resolution:

0.001Ω

- Highest Resistance Accuracy:

±1%±0.01Ω

- Current Range:

0.00mA-20.0A

- Current Resolution:

0.05mA

- Highest Current Accuracy:

±2.5%±1mA

- Data memory:

99 Sets

- Alarm Threshold Setting Range:

Resistance

- Alarm Sound and Light:

“Beep-beep-beep” alarm tone, Alarm Symbol Flashing, Press AL key to turn on, turn off Alarm or set Alarm Threshold.

- Interference Signal Recognition:

“Beep-beep-beep” tone, NOISE symbol blinking

- Working Temperature and Humidity:

-20℃-55℃；20％RH-90％RH

- LCD Screen:

4 Digits LCD display, Screen L×W

- Clamp Size:

Φ32mm

- Clamp Opening Extent:

32mm

- Tester Weight:

1160g (With batteries)

- Clamp Dimension:

L×W×T

- Protection Level:

Dual Insulation

- Structural Feature:

Clamp CT

- Shifting:

Automatic shifting

- External magnetic field:

＜40A/m

- External electrical field:

＜1V/m

- Single measurement time:

0.5 second

- Resistance measurement frequency:

＞1KHz

- Measured current frequency:

50/60Hz Automatic measurement

- Low Battery Indication:

Low battery symbol displays when battery is lower then 5.3V

- Memory Full Indication:

MEM symbol blinks when all 99 sets memory is full

- Over Range Indication:

Out of range indication “OLΩ”, “L0.01” or “OL A”

-Auto Power-off:

5 minutes after Boot up

- Power Consumption:

Max 50mA either in booting up or normally working, Continuously working for 30 hours.