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Sew 1120 ER
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FEATURES
● Capable of measuring earth resistance and earth voltage.● 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.● The leads are supplied as standard accessories for simplified two-wire measuring system.● 0Ω adjustment. ● Battery operated.● Data hold function.● Low battery indication.● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges
Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω Earth voltage 0-200 Vac(40-500Hz)
Accuracy
Earth resistance ±(2%rdg+2dgt) or ±0.1Ω, which is greater Earth voltage ±(1%rdg+2dgt)
Earth resistance resolution
0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω
Measuring system
Earth Resistance by constant current inverter 820Hz approx. 2mA
Display
3½ digit (2000 counts)
0Ω adjustment
ˇ
Open circuit indication
LED will be unlit
Low battery indication
“ “symbol appears on the display
Data hold... |
3 Wire (Digital) Earth Resistance Testers
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Sew 1820 ER
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FEATURES
● Capable of measuring earth resistance and earth voltage.● 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.● The leads are supplied as standard accessories for simplified two-wire measuring system.● Battery operated.● Data hold function.● Low battery indication.● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges
Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω Earth voltage 0-200 Vac(40-500Hz)
Accuracy
Earth resistance ±(2%rdg+2dgt) or ±0.1Ω, which is greater Earth voltage ±(1%rdg+2dgt)
Earth resistance resolution
0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω
Measuring system
Earth Resistance by constant current inverter 820Hz approx. 2mA
Display
3½ digit (2000 counts)
Open circuit indication
LED will be unlit
Low battery indication
“ “symbol appears on the display
Data hold indication
... |
3 Wire (Digital) Earth Resistance Testers
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Sew 2120 ER
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FEATURES
● Capable of measuring earth resistance and earth voltage.● 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.● The leads are supplied as standard accessories for simplified two-wire measuring system.● 0Ω adjustment. ● Battery operated.● Data hold function.● Low battery indication.● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges
Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω Earth voltage 0-200 Vac(40-500Hz)
Accuracy
Earth resistance ±(2%rdg+2dgt) or ±0.1Ω, which is greater Earth voltage ±(1%rdg+2dgt)
Earth resistance resolution
0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω
Measuring system
Earth Resistance by constant current inverter 820Hz approx. 2mA
Display
3½ digit (2000 counts)
0Ω adjustment
ˇ
Open circuit indication
LED will be unlit
Low battery indication
“ “symbol... |
3 Wire (Digital) Earth Resistance Testers
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Sew 2720 ER
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FEATURES
● Capable of measuring earth resistance and earth voltage.● 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.● The leads are supplied as standard accessories for simplified two-wire measuring system.● Battery operated.● Data hold function.● Battery test indication.● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges
Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω Earth voltage 0-200 Vac(40-500Hz)
Accuracy
Earth resistance ±(2%rdg+2dgt) or ±0.1Ω, which is greater Earth voltage ±(1%rdg+2dgt)
Earth resistance resolution
0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω
Measuring system
Earth Resistance by constant current inverter 820Hz approx. 2mA
Display
3½ digit (2000 counts)
Open circuit indication
LED will be unlit
Low battery indication
“ “symbol appears on the display
Data hold ... |
3 Wire (Digital) Earth Resistance Testers
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Sew 4120 ER
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FEATURES
● Capable of measuring earth resistance and earth voltage.● 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test.● The leads are supplied as standard accessories for simplified two-wire measuring system.● Battery operated.● Data hold function.● Battery test indication.● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges
Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω Earth voltage 0-200 Vac(40-500Hz)
Accuracy
Earth resistance ±(2%rdg+2dgt) at 200/2000Ω ±(2%rdg+0.1Ω) at 20Ω Earth voltage ±(1%rdg+2dgt)
Earth resistance resolution
0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω
Measuring system
Earth Resistance by constant current inverter 820Hz approx. 2mA
Display
3½ digit (2000 counts)
Open circuit indication
LED will be unlit
Low battery indication
“ “symbol appears on the display
Data hold ... |
3 Wire (Digital) Earth Resistance Testers
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Sew 6200 IN (Ranges: 2.5kV, 5kV)
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FEATURES
● Microprocessor-controlled.● High quality Taut Band movement.● Two insulation test voltages.● Insulation resistance, auto ranging on all ranges.● Low Battery LED indication.● Beeper warning of external voltage.● Fully protected : crow bar.● Housed in carry case.
SPECIFICATIONS
Test voltage (DC V)
2500V
5000V
Measuring ranges
0-100GΩ
0-200GΩ
Accuracy
±5% of full scale
Live warning
>500V AC
Operating-temperature
0°C to 40°C
Operating-humidity
85% Max. relative humidity
Dimensions
330(L) × 260(W) × 160(D) mm
Weight (battery included)
Approx. 3500g
Power source
1.5V “C”× 8 Alkaline batteries
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Analogue (1kV up) H.V. Insulation Testers
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Sew 6201 IN (Ranges: 5kV, 10kV)
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FEATURES
● Microprocessor-controlled.● High quality Taut Band movement.● Two insulation test voltages.● Insulation resistance, auto ranging on all ranges.● Low Battery LED indication.● Beeper warning of external voltage.● Fully protected : crow bar.● Housed in carry case.
SPECIFICATIONS
Test voltage (DC V)
5000V
10000V
Measuring ranges
0-200GΩ
0-400GΩ
Accuracy
±5% of full scale
Live warning
>500V AC
Operating-temperature
0°C to 40°C
Operating-humidity
85% Max. relative humidity
Dimensions
330(L) × 260(W) × 160(D) mm
Weight (battery included)
Approx. 3500g
Power source
1.5V “C”× 8 Alkaline batteries
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Analogue (1kV up) H.V. Insulation Testers
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Sew 2803 IN (Ranges: 0.5kV, 1kV, 2.5kV, 5kV)
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FEATURES
● Microprocessor-controlled.● Four insulation test voltages.● Insulation resistance; auto ranging on all ranges.● Bargraph indicates test voltage; rise and decay can be observed during tests.● Visual and audible warning if external voltage is present.● EnerSave™ feature to extend battery life.● 2 Lines × 16 characters large LCD.● Low battery consumption.● Low battery indicator.● Overload protection.● Auto-off.● Show test time duration (up to 99.9s) for easy comparison.● EEPROM calibration.● Built-in carry case and test leads in separate pouch.
SPECIFICATIONS
Test voltage (DC V)
0.5kV / 1kV / 2.5kV / 5kV
Measuring ranges (Auto-Ranges)
0-25GΩ / 0-50GΩ / 0-125GΩ / 0-250GΩ
Accuracy
0-50GΩ : ±3% rdg 50-250GΩ : ±5% rdg
Dimensions
170(L) × 120(W) × 95(D)mm
Weight (battery included)
Approx. 930g
Power source
1.5V(AA) × 8
Safety standard
EN 61010-1 EN... |
Digital (1kV up) H.V. Insulation Testers
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