Major Tech MT250 AC Voltage & Current Data Logger
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Major Tech MT330 2 or 3 Wire Digital Earth Resistance Tester
The MT330 is an ideal earth resistance tester for the measurement of earth rods and lighting conductors. New ranges have been included such as AC voltage measurement up to 750V and DC voltage up to 1000V, plus a 200kΩ resistance range. The large backlit dual display LCD indicates the range measured as well as the battery voltage. The advanced circuit design permits the instrument to operate with minimum influence from earth voltage and earth resistance of auxiliary spikes. The double mould rubber injection housing ensures that the meter can handle the rough terrain when used in the field while performing earth tests.
Accessories:
- Carrying Case
- AA Batteries
- Test leads
- Instruction Manual
- Iron Rods
- 3-wire cable
- Adjustable Shoulder Strap
Technical Datasheet Instruction Manual
Additional information
| Earth resistance |
20/200/2000Ω |
|---|---|
| Earth resistance accuracy |
±(2%+10) |
| Earth resistance resolution |
0.01Ω |
| Earth voltage |
200V |
| Earth voltage accuracy |
±(3%+3) |
| Earth voltage resolution |
0.1V |
| Frequency |
40 tp100Hz |
| DC Voltage |
1000V |
| DC Voltage accuracy |
±(0.8% +3) |
| DC Voltage resolution |
1V |
| AC Voltage |
750V |
| AC voltage accuracy |
±(1.2% +10) |
| AC Voltage resolution |
1V |
| Resistance |
200kΩ |
| Resistance accuracy |
±(1.0% +2) |
| Resistance resolution |
0.1kΩ |
| Display |
LCD Display |
| Back Light |
Yes |
| Enclosure |
Overmoulded case |
| Low battery indication |
Yes |
| Power source |
6 x R6P |
| Weight |
700g |
| Dimensions |
200 x 92 x 50mm |
- Earth resistance 200Ω
- Earth voltage to 200V
- Indicates if resistance of auxiliary spikes is within tolerance
- Direct readout of the earth resistance on the LCD display
- 750V AC, 1000V DC
- Overrange indicator
- Zero adjustments of leads
- data hold
- Overmould casing
- Dual LCD with back light
- Ideal for earth rods and lightning conductors
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