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STW-9900 Series Electrical Safety Testers

STW-9900 Series

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Specification

● 500VA AC Test Capacity
● 240 x 64 Ice Blue Dot Matrix LCD
● Manual/Auto Mode
● Function Key for Quick Selecting
● High Intensity Flash for Caution & Status Indication
● Safety Interlock Function
● Zero Crossing Turn-on Operation
● Zero Crossing Turn-on Operation

● True RMS Current Measurement 
● High Resolution : 1μA for Measuring Current, 2V for Setting Voltage
● PWM Switching Amplifier to Enhance the Power Efficiency and Reliable Testing
● Max. 100 Memory Block for Test Condition (Step) Setting. And Each Step can be Named Individually
● Remote Terminal on the Front Panel for“Start”and“Stop” Control by External
● Interface: RS-232C, USB Devise, Signal I/O and GP-IB (Option: OPT.1)

Rating

Environment
Range Temperature Humidity
Warranty Warranty ≤70% (No condensation)
Operation -10˚C ~ 70˚C ≤85% (No condensation)
Installation Location Indoors at an amplitude of up to 2000m.
AC Withstanding Voltage STW-9901 / 9902 / 9903 / 9904
Output Voltage Range AC 0.100kV~5.000kV
Output Voltage Resolution 2V
Output Voltage Resolution ±(1% of setting + 5V） with no load
Maximum Rated Load(Table1) 500VA(5kV/100mA)
Maximum Rated Current 100mA
0.001mA ~ 10mA(0.1kV≤V≤0.5kV)
0.001mA ~ 100mA(0.5kV<V≤5kV)
Output Voltage Waveform Sine wave
Frequency 50 Hz / 60 Hz
Voltage Regulation ± 1% +5V [Maximum rated load → no load]
Voltmeter Accuracy ± (1% of reading+ 5V)
Current Best Resolution 1uA
0.001mA(0.001mA~1.100mA)
0.01mA(01.11mA~11.00mA)
0.1mA(011.1~100.0mA)
Current Measurement Accuracy ± (1.5% of rdg + 30 counts) when HI SET<1.11ma>± (1.5% of rdg + 3 counts) when HI SET≥1.11mA
Window Comparator Method Yes
ARC DETECT Yes
Rise-time Control Function Yes
RAMP (Ramp Time) 0.1s~999.9s
TIMER (Test Time) OFF*, 0.5s~999.9s
GND ON/OFF
* The timer can only be turned off under special MANU mode (MANU=***-000)
Environment
Range Temperature Humidity
Warranty Warranty ≤70% (No condensation)
Operation -10˚C ~ 70˚C ≤85% (No condensation)
Installation Location Indoors at an amplitude of up to 2000m.
DC Withstanding Voltage STW-9902 / 9903 / 9904
Output Voltage Range 0.100kV~ 6.000kV
Output Voltage Resolution 2V
Output Voltage Accuracy (1% of setting +5V) with no load
Maximum Rated Load(Table1) 100W (5kV/20mA)
Maximum Rated Current 20mA
0.001mA ~ 2mA (0.1kV≤V≤0.5kV)
0.001mA ~ 20mA (0.5kV<V≤6kV)
Voltmeter Accuracy ±(1% of reading+ 5V)
Voltage Regulation ± 1% +5V [Maximum rated load → no load]
Current Measurement Range 0.001mA~020.0mA
Current Best Resolution 1uA
0.001mA(0.001mA~1.100mA)
0.01mA(01.11mA~11.00mA)
0.1mA(011.0mA~020.0mA)
Current Measurement Accuracy ± (1.5% of rdg + 30 counts) when HI SET <1.11ma>± (1.5% of rdg + 3 counts) when HI SET ≥1.11mA
Window Comparator Method Yes
ARC DETECT Yes
Rise-time Control Function Yes
RAMP (Ramp Time) 0.1s~999.9s
TIMER (Test Time) OFF*, 0.5s~999.9s
GND ON/OFF
* The timer can only be turned off under special MANU mode (MANU=***-000)
Insulation Resistance Test STW-9903 / 9904
Output Voltage 50V~1000V
Output Voltage Resolution 50V
Output Voltage Accuracy (1% of setting+5V) with no load
Resistance Measurement Range 1MΩ~ 50GΩ
Test Voltage
Measurement Range Accuracy
50V≤V≤450V 0.001GΩ ~0.050GΩ ±(5% of reading +1 count)
0.051GΩ ~2.000GΩ ±(10% of reading +1 count)
500V≤V≤1000V 0.001GΩ ~0.500GΩ ±(5% of reading +1 count)
0.501GΩ ~9.999GΩ ±(10% of reading +1 count)
±(10% of reading +1 count) ±(15% of reading +1 count)
Output Impedance 600kΩ
Window Comparator Method Yes
ARC DETECT Yes
Rise-time Control Function Yes
RAMP (Ramp Time) 0.1s~999.9s
TIMER (Test Time) OFF*, 0.5s~999.9s
GND OFF
Ground Bond Test STW-9904
Output Current Range 03.00A~32.00A
Output Current Accuracy ± (1% of reading +0.2A) when 3A ≤ I ≤ 8A
± (1% of reading +0.05A) when 8A < I ≤ 32A
Output Current Resolution 0.01A
Frequency 50Hz/60Hz selectable
Ohmmeter Measurement
Accuracy		 ± (1% of reading +2mΩ)
Ohmmeter Measurement Range 10mΩ~650.0mΩ (depending on output current)
Test Voltage Max. 6V(AC)open - circuit
Ohmmeter Measurement
Resolution		 0.1mΩ
Window Comparator Method Yes
TIMER (Test Time) 0.5s~999.9s
GND ON/OFF
Interface
REMOTE (Remote terminal) Yes
SIGNAL IO Yes
RS-232C Yes
USB (Device) Yes
GPIB Yes (OPTION)
General
DISPLAY 240 x 64 dot matrix LED back light LCD
MEMORY AUTO/MANU mode 100 memory blocks total
POWER SOURCE AC100V/120V/220V/230V ±AC100V/120V/220V/230V
ACCESSORIES Power cord x1
Power cord x1
GHT-114x1 for STW-9901/9902/9903
GHT-114x1, GTL-115x1 for STW-9904
DIMENSIONS & WEIGHT STW-9904:
Approx. 330(W) x 148(H) x 587(D) mm (Max.)
27kg(Max)

STW-9901/9902/9903:
Approx. 330(W) x 148(H) x 482(D)mm(Max)
24kg(Max)

Related Accessories

Type name Content
OPT.1

GP-IB Option for STW/GPT Series
GHT-113

High Voltage Test Pistol
GHT-205

High Voltage Test Probe
GHT-114

High Voltage Test Probe
GTL-232 Null Modem Cable for COM port ,D-sub9 to D-sub 9
GTL-247

USB Cable (A-A)
CB-2420P GP-IB Cable (2m)
GRA-417

Rack mount adaptor for STW-9900/9800 Series.

Download

Content Download File and Related Links
 Catalog STW-9000 Series Catalog
 Manual STW-9000 Series Instruction Manual
 Driver STW-9900 Series LabVIEW Driver(2010)

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