The premier choice for a cost effective portable tester that includes the benefits of larger rack-mount systems. Frequently used to test safety-related cable harnesses in the aerospace, military, transportation and automotive industries, this system features powerful measurement technology, current source up to 3 A, voltage up to 2,250 VDC / 1,500 VAC, and a built-in RLC Meter. The W 444 can be equipped with an optional ruggedized MIL 810 enclosure suitable for use in extreme circumstances involving excessive shock, vibration, temperature/humidity changes, and exposure to explosive atmospheric environments.
Test & Measurement Performance
High Voltage Isolation Test up to 2,250 VDC (12-Bit Resolution)
Constant Current of 0 - 3 A
AC Arc-Detection Test up to 1,500 VAC
Two Terminal Measurement down to 1 Ohm (± 1% ± 0.5 Ohms)
Four Terminal Measurement down to 3 mOhms (± 1% ± 0.3 mOhms)
Insulation Test up to 500 MOhms (± 1%), up to 10 GOhms (± 3%)
Resistor Test from 3 mOhms to 10 MOhms (± 1% ± 0.3 mOhms)
Diode and Zener Diode Test for Open, Short and Reversed Insertion
Transistor Test
Test of Keys and Switches
Functional Test Including External Programmable Voltages up to 25 VAC / 60 VDC
External Voltage Measurement up to ± 500 V (DC to 1kHz)
RLC Meter
Fast, Accurate and Safe Component Network Measurement
Automatic Determination of Serial or Parallel RL / RC Networks
0 - 5 Vpp, DC to 100 kHz
Twisted Pair / Shielded Cable Test from 10 pF to 1 µF (±1% ± 2 pF)
Capacitor Test from 1 µF to 10,000 µF (± 2%)
Inductance Test from 1 µH to 1 H (± 2%)
Additional Measurement Capabilities Include:
|Z| - Impedance
|Y| - Admittance
θ - Phase Angle
R - Resistance (Serial or Parallel)
C - Capacitance (Serial or Parallel)
L - Inductance (Serial or Parallel)
D - Dissipation Factor
Q - Quality Factor
Hardware
Ethernet Interface for Instant Connection to a PC
Optional Remote Control Interface for Driving Peripheral Devices (Fixtures,
Feeders, etc.)
Extensive Selection of Output Connectors are Available Upon Request
MIL 810 Enclosure (Optional)
Portable, Ruggedized Enclosure
Tested for Shock, Vibration, Temperature/Humidity and Use in Explosive Atmospheres
Dimensions & Weight
W 444-2
19-inch Rack-Mountable or Bench Top Enclosure
17.6 x 20.5 x 7.0 inches (W x D x H)
Up to 33.1 lbs
Holds up to 4 Test Cards for a Maximum of 256 Test Points
W 444-3
19-inch Rack-Mountable or Bench Top Enclosure
17.6 x 20.5 x 12.2 inches (W x D x H)
Up to 66.1 lbs
Holds up to 20 Test Cards for a Maximum of 1,280 Test Points
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High Voltage Cable Test Solutions W 444
