Earth Resistance Meter
MRU-21 Earth Resistance Meter
2 in stock
Possible measurements:
- earth resistance measurment with 3-pole method,
- measurement of continuity of equipotential bondings and protective conductors with auto-zero function – with current 200 mA,
- resistance measurement using 2-pole method.
₨0
2 in stock
CompareWeight | 1.4 kg |
---|---|
Dimensions | 29 × 22 × 7 cm |
Measurement of earthing resistance
measurement range to IEC61557 – 5:
0,50 Ω…1,99 kΩ for Un=50 V;
0,68 Ω…1,99 kΩ for Un=25 V;
Range | Resolution | Accuracy |
0,00…9,99 Ω | 0,01 Ω | ±(2% m.v. + 3 digits) |
10,0…99,9 Ω | 0,1 Ω | |
100…999 Ω | 1 Ω | |
1,00k…1,99 kΩ | 0,01 kΩ |
• measurement current: under short circuit >20 mA,
• voltage on open terminals: selectable <25 V AC or <50 V AC,
• frequency of measurement current: 125 Hz
Measurement of interference voltage UN (RMS)
Range | Resolution | Accuracy |
0…100 V | 1 V | ±(2% m.v. + 3 digits) |
• measurement for DC and AC 45…65 Hz
Measurement of resistance of auxiliary electrodes RH i RS
Range | Resolution | Accuracy |
0…999 Ω | 1 Ω | ±(5% (RS+RE+RH) + 3 digits) |
1,00k…9,99 kΩ | 0,01 kΩ | |
10,0k…50,0 kΩ | 0,1 kΩ |
Measuremet of continuity of equipotential bondings and protective conductors
measurement range to IEC61557 – 4: 0,13 Ω…199 Ω
Range | Resolution | Accuracy |
0,00…9,99 Ω | 0,01 Ω | ±(2% m.v. + 3 digits) |
10,0…99,9 Ω | 0,1 Ω | |
100…199 Ω | 1 Ω |
- measuring method: technical 2-pole method,
- max. voltage on open terminals: 13 V,
- measurement current: under short circuit >200 mA,
- auto-zero function for measurement leads
Electric security:
- type of insulation: double, according to EN 61010 – 1and IEC 61557
- measurement category: CAT IV 300 V acc. to EN 61010 – 1
- protection class acc. to EN 60529: IP54
Rated operational conditions:
- operation temperature: -10…+55°C
- storage temperature: -20…+70°C
- humidity: 20…80%
Other technical data:
- LCD display: segment, backlit
- interface: USB,
- number of measurements carried out of set of batteries: > 1000 (5 Ω, 2 meas./min.)
- warranty: 2 years
- dimentions: 288 x 223×75 mm
- weigth: 1,4 kg
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Clamp Meters
CLAMP METER AC DC ET 8203
Descriptions:
1.This is a 5999 counts automatic digital clamp multimeter,small and compact design for easy carrying.
2.Stable performance,high precision,high reliability,clear reading and overload protection.
3.It is a ideal tool and instrument,laboratory,factory,radio enthusiasts and The ideal tool for the family.Specifications:
Brand:WINAPEX
Model: 8203
Color:Black
Jaw:40mm
Maximum display:5999
DC Voltage: 6V/60V/600V/1000V
AC Voltage: 6V/60V/600V/750V
AC Current: 60A/600A
DC Current: 60A/600A
Resistance(ohm):600Ω/6KΩ/60Ω/600KΩ/6MΩ/40MΩ
Capacitance:60nF/600nF/6uF/60uF/600uF/6mF/30mF
Frequency:10Hz/100Hz/1kHz/10Hz/100Hz/1MHz/10MHz
Temperature:(-20-1000 )℃/(0-1832 )℉
DC voltage DCV :yes
AC voltage ACV :yes
AC current ACA :yes
DC current DCA :yes
T-RMS:yes
NCV:yes
Square wave output:yes
On-Off Test :yes
Diode measurement:yes
Buzzer:yes
Zero line / Fire line test :yes
Data hold:yes
Material: Plastic, Electronic Parts
Battery: 2 x 1.5V AAA Batteries (not included)
Product size:176x67x33mm/6.86×2.61×1.29in
Product weight:305g/10.68ozPackage information:
Package weight:350g/12.25oz
Package size:210x80x35mm/8.19×3.12×1.37in
General Box PackagePackage included:
1 x Clamp Meter
1 x Pair of test leads
1 x Thermocouple
1 x User ManualNoted:
1.Cannot measure,there is no current through the ground wire,can only be measured as a single wire or zero Iine.
2.Cannot measure two or more lines at the same time.
3.A line contains two or more than two wire core can not be measured.SKU: n/a -
Insulation Resistence Tester
UT516B Insulation Resistance Tester
Features of UT516B Insulation Resistance Tester
● AC/DC voltage
● USB data transfer● Low battery indication● Data storage● LCD backlight● Polarization Index● Over-range alarm● 9999 Max display● Comparative measurement● Measurement time selectionSKU: n/a
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