|
|
Sew 288 SVD
|
● Warning Proximity of AC Voltage (240V~50kV).● Waterproof.● Easy-to-wear on body or belt.● Ultra high bright LED indication.● High pitch sound indication.● Test & diagnostic circuitry.● Friendly priority alert reporting.● Circuit test function.● High impact type casing.● Different alerting sound & light.● Can be adapted to Sunrise(stick).● Meets EN 61326-1● Dimension : 114(L) × 67(W) × 27(D) mm● Weight : Approx. 152g (battery included)● Power supply : 9V(6F22) × 1 |
Personal Safety Voltage Detectors
|
|
|
|
Sew PD-20
|
● Measures both AC and DC voltages with digital multitester.● Are typically used to measure high voltages in TV sets, power supplies and instruments in laboratories.● Lightweight and rugged.● 2 available contact tips: round needle tip for normal use and a special flat spring-type for CRT anode. |
H.V. Probes
|
|
|
|
Sew PD-20S
|
● Measures both AC and DC voltages with oscilloscopes.● Are typically used to measure high voltages in TV sets, power supplies and instruments in laboratories.● Lightweight and rugged.● 2 available contact tips: round needle tip for normal use and a special flat spring-type for CRT anode. |
H.V. Probes
|
|
|
|
Sew PD-28
|
● Measures both AC and DC voltages with digital multitester.● Are typically used to measure high voltages in TV sets, power supplies and instruments in laboratories.● Lightweight and rugged.● 2 available contact tips: round needle tip for normal use and a special flat spring-type for CRT anode. |
H.V. Probes
|
|
|
|
Sew 2734 ER
|
● Microprocesser-controlled with advanced safety features.● 4-wire testing only.● Automatic C spike check.● Auto power-off.● Auto data hold.● Large LCD (2000 counts).● Protective terminal cover.
SPECIFICATIONS
Measuring ranges
Earth Resistance 0-20Ω / 0-200Ω / 0-2000Ω Earth Voltage 0-200V AC
Accuracy
Earth Resistance ±2%rdg±3dgt Earth Voltage ±2%rdg±3dgt
Earth resistance resolution
0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω
Temperature & humidity
Operating: 0°C~40°C ≤80% R.H. Storage: -10°C~50°C ≤80% R.H.
Dimensions
205(L) x 90(W) x 55(D)mm
Weight (battery included)
Approx. 380g
Power source
1.5V (AA) x 6
Safety standards
EN 61010-1 CAT IV 200V EN 61326-1 EN 61557-1 EN 61557-5
|
4 Wire Earth Resistance Testers
|
|
|
|
Sew 4234 ER
|
● Microprocesser-controlled.● Earth testing at 2Ω, 20Ω, 200Ω, 2kΩ.● Earth voltage measuring : 0-300V AC.● Automatic C spike check.● Automatic P spike check.● 2-Wire test.● 3-Wire test.● 4-Wire test.● LCM display.● Auto ranging.● Auto power OFF.● Data hold.● Robust, compact and easy-to-carry.
SPECIFICATIONS
Measuring ranges
Earth Resistance 0-2Ω / 0-20Ω / 0-200Ω / 0-2kΩ Earth Voltage 0-300V AC
Accuracy
Earth Resistance ±2%rdg ± 3dgt Earth Voltage ±2%rdg ± 3dgt
Earth resistance resolution
0-2Ω : 0.01Ω 0-20Ω : 0.1Ω 0-200Ω : 1Ω 0-2kΩ : 10Ω
Temperature & humidity
Operating: 0°C~40°C ≤80% R.H. Storage: -10°C~50°C ≤80% R.H.
Dimensions
250(L) x 190(W) x 110(D)mm
Weight (battery included)
Approx. 1430g
Power source
1.5V (AA) x 8
Safety standards
EN 61010-1 CAT IV 300V EN 61557-1 EN 61557-5 EN 61326-1
|
4 Wire Earth Resistance Testers
|
|
|
|
Sew 4235 ER
|
● Microprocessor-controlled.● Earth resistivity (ρ) test.● Earth testing at 20Ω, 200Ω, 2kΩ.● Earth voltage measuring : 0-300V AC.● Automatic C spike check.● Automatic P spike check.● 2-Wire test, 3-Wire test, 4-Wire test.● LCM display.● Auto ranging.● Auto power OFF.● Data hold.● 200 measurement results can be saved in the memory and recalled on the display.● Interval between auxiliary earth spikes is 1.0~50.0m.
SPECIFICATIONS
Measuring ranges
Earth Resistance 0-20Ω / 0-200Ω / 0-2kΩ Earth Voltage 0-300.0V AC Earth Resistivity (ρ=2 × π × L × R) 0.06~6.28kΩ.m 0.62~62.8kΩ.m 6.28~628kΩ.m
Accuracy
Earth Resistance ±2%rdg ± 3dgt Earth Voltage ±2%rdg ± 3dgt
Earth resistance resolution
0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2kΩ : 1Ω
Measuring system
Earth resistance by constant current Inverter 820Hz approx. 2mA
Temperature & humidity
Operating: 0°C~40°C ≤80% R.H. Storage: -10°C~50°C ≤80% R.H.
Dimensions
250(L) x 190(W) x 110(D)mm
Weight (battery included)
... |
4 Wire Earth Resistance & Resistivity Testers
|
|
|
|
Sew 4236 ER
|
● Microprocessor-controlled.● Earth resistivity (ρ) test.● Earth testing at 20Ω, 200Ω, 2kΩ.● Earth voltage measuring : 0-300V AC.● Automatic C spike check.● Automatic P spike check.● 2-Wire test, 3-Wire test, 4-Wire test.● LCM display.● Auto ranging.● Auto power OFF.● Data hold.● 200 measurement results can be saved in the memory and recalled on the display.● Interval between auxiliary earth spikes is 1.0~50.0m.● Optical USB to RS-232 data transmission.● The stored data can be transferred to a PC.● 2 optical LEDs are built-in for data transfer.
SPECIFICATIONS
Measuring ranges
Earth Resistance 0-20Ω / 0-200Ω / 0-2kΩ Earth Voltage 0-300.0V AC Earth Resistivity (ρ=2 × π × L × R) 0.06~6.28kΩ.m 0.62~62.8kΩ.m 6.28~628kΩ.m
Accuracy
Earth Resistance ±2%rdg ± 3dgt Earth Voltage ±2%rdg ± 3dgt
Earth resistance resolution
0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2kΩ : 1Ω
Measuring system
Earth resistance by constant current Inverter 820Hz approx. 2mA
Temperature & humidity
Operating:... |
4 Wire Earth Resistance & Resistivity Testers
|
|