TOS7300臺灣TOS接地阻抗測試儀@TOS-7300%

TOS7300 Taiwan TOS ground resistance tester @TOS-7300%

The built-in constant current linear amplifier. Not affected by power and load

Simple operation, software self calibration

Provide ten sets of memory setting

The 7300 highest 30A/520M Ω application scop

The 7340 highest 40A/600M Ω application scop

Alarm settings, open circuit protection function

Provide remote PLC control interface

7300A with automatic test function, without the need forfrequent operation start switch, convenient measurement

Technical specifications

The input characteristics of single phase 47-63HZ,115/230Vac ± 15%, can choose, 5A fuse

The grounding impedance test rated output 3-30Aacconstant current source

Constant current setting resolution 0.1A/Step, precision: ± (2%S of Setting+0.02A)

The output power range 60/50HZ can choose, precision:± 100PPM

Output voltage 6Vac Max. (open circuit voltage)

Table 10-30Aac output current range, the 3 digit,resolution: 0.1A/Step

Precision ± (2% of Reading+1Count)

Low resistance meter range 0-120 milliohms, (>10A) /0-520 milliohms (10A), resolution: 1 milliohms /Step

Precision ± (2% of reading+1Count)

Zero offset 100 milliohms Max. resolution: 1 milliohms /Step (automatic / manual)

Offset precision ± (2% of Setting+1Count)

Upper limit setting range 0-510 milliohms, 3 digit,resolution: 1 milliohms /Step

Precision ± (2% of Setting+1Count)

The test time for 0.5-999.9 seconds (0=), resolution: 0.1 sec / Step

Test failure alarm buzzer / liquid crystal display "FALL"and read the value / remote status output

Memory can deposit / withdraw 5 sets of memory

Liquid crystal display 16*2 dot matrix backlight

Correction of front panel type software correction

The operation environment 0-40 ℃ /0-80%RH

Size 110 (H) *300 (W) *400 (D) mm

The weight of 10 kg / n.

0-9 (0 off 1 for the most sensitive

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