CW Series
800-2500VA PROGRAMMABLE AC POWER SERIES
CW SPECIFICATION
MANUAL (M)
OUTPUT
PROGRAMMABLE (P)
POWER
CW 801
800VA
1250VA
CW 1251
CW 2501
2500VA
Power factor of load
Phase
0 lag to 0 lead
All models single phase output
VOLTAGE
Ranges
0-135VRMS or 0 to 275VRMS, user selectable (consult factory for custom output voltages)
+/-0.1% of range < 100Hz, +/-0.2% of range,> 100Hz (>5
VAC out)
Accuracy
+/-1% of range (> 5VAC out)
Resolution
0.1VRMS
0.25% typical < 100Hz add 0.5%/100Hz above 100Hz
Total harmonic distortion
AC noise level
< 50 mVRMS typical for CW801 & CW1251, 100 mVRMS typical for CW2501
Amplitude stability
+/-0.1% of full scale over 8 hours at constant line, load and +/-0.05% of full scale over 8 hours at constant line, load and
temperature after 15 minute warm-up typical
temperature after 15 minutes warm-up typical
Load regulation
Line regulation
+/-0.1% of full scale voltage for a full resistive load to no load
(<10 mVRMS typical, measured at point of sense)
+/-0.1% of full scale voltage for a +/-10% line change from nominal line voltage
(<5 mVRMS typical, measured at point of sense)
Remote voltage sense
Compensation for up to 5 VRMS total lead voltage drop
CURRENT
CW 801
6.0 ARMS in 135VAC range or 3.0 ARMS in 270 VAC range
9.4 ARMS in 135VAC range or 4.7 ARMS in 270VAC range
CW 1251
CW 2501
Accuracy
Resolution
18.6 ARMS in 135VAC range or 9.3 ARMS in 270VAC range
+/-0.5% typical
0.1 ARMS
+/-0.6% max
0.01 ARMS
FREQUENCY
Range
45 to 500Hz(45 to 1000Hz optional on programmable unit only)
Accuracy
+/-0.5% typical
0.1Hz
+/-0.02% max
Resolution
0.1Hz, 0.01Hz for remote programming
PHASE ANGLE
Range
-359 to +359 degrees. Positive phase indicates time lag from
reference
Accuracy
Within 100 microseconds of equivalent angle
1 degree
Resolution
MEASUREMENT
Voltage range
Accuracy
0-270 VRMS
+/-1% of full range for voltage (>5VAC out), measured at
point of sense
+/-0.1% of range < 100Hz, +/-0.2% of range >100Hz,
measured at point of sense (> 5VAC out)
Resolution
0.1 VRMS
Current*
Range
CW 801
0 to 6.0 ARMS
0 to 9.4ARMS
0 to 18.6ARMS
CW 125I
CW 2501
Accuracy
+/-2% of range for linear loads with current
0.2A for 800VA & 1200VA, 0.4A for 2500VA
+/-0.6% of range for linear loads with current
0.2A for 800VA & 1200VA, 0.4A for 2500VA
Resolution
0.1ARMS
0.01 ARMS
Note: In a parallel system, the current/power displayed in the master unit is the sum of all units in the system.
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POWERBOX [ Powerbox ]
