| Output: Voltage and Current Ranges |
| | Model | CW 801M | CW 1251M | CW 2501M | CW 801P | CW 1251P | CW 2501P | | Power | 800VA | 1250VA | 2500VA | 800VA | 1250VA | 2500VA | | Voltage | | Voltage Range | 0 to 135Vrms, 0 to 270Vrms, user selectable | | Accuracy (>5VAC) | ±1% of Range | ±0.1% of Range <100Hz ±0.2% of Range > 100Hz | | Resolution | 0.1 Vrms | | Total harmonic distortion | 0.25% typical <100Hz add 0.5%/100Hz above 100Hz | | AC noise level (typical) | <50 mVRMS | <50 mVRMS | <100 mVRMS | <50 mVRMS | <50 mVRMS | <100 mVRMS | | Amplitude stability1 | ±0.1% of full scale | ±0.05% of full scale | | Load regulation | ±0.1% of full scale voltage for a full resistive load to no load (<10 mVRMS typical, measured at point of sense) | | Line regulation | ±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 | 5 Vrms total lead voltage drop | | Current | | 135VAC Range | 6.0 ARMS | 9.4 ARMS | 18.6 ARMS | 6.0 ARMS | 9.4 ARMS | 18.6 ARMS | | 270VAC Range | 3.0 ARMS | 4.7 ARMS | 9.3 ARMS | 3.0 ARMS | 4.7 ARMS | 9.3 ARMS | | Accuracy | ± 0.5% typical | ± 0.5% max | | Resolution | 0.1 ARMS | 0.01 ARMS | | Frequency Range | | Range | 45 to 500 Hz | 45 to 500 Hz, 45 to 1000 Hz (option) | | Accuracy | ±0.5% typical | ±0.02% max | | Resolution | 0.1 Hz | 0.1 Hz, 0.01 Hz for remote programming | | Phase | All models single phase output. Multi-phase system configuration with Digital Expansion Cable | | Power Factor of Load | 0 lag to 0 lead |
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| | Model | CW 801M | CW 1251M | CW 2501M | CW 801P | CW 1251P | CW 2501P | | Power | 800VA | 1250VA | 2500VA | 800VA | 1250VA | 2500VA | | Voltage | | Range | 0 to 270 Vrms | 0 to 270 Vrms, 0 to 310VRMS (option) | | Accuracy2 (VAC>5V) | ± 1% of full range | ±0.1% of range <100 Hz, ± 0.2% of range>100 Hz, ± 0.3% of range>500 Hz (option) | | Resolution | 0.1 Vrms | 0.1 Vrms | | Current3 | | 135VAC Range | 6.0 ARMS | 9.4 ARMS | 18.6 ARMS | 6.0 ARMS | 9.4 ARMS | 18.6 ARMS | | Accuracy | ±2% of range for linear loads with current >0.2A, > 0.4A for 2500 VA | ±0.5% of range for linear loads | | Resolution | 0.1 ARMS | 0.01 ARMS | | Peak Current3 | | Range | - | - | - | 0 to 25A | 0 to 35A | 0 to 70A | | Accuracy | - | - | - | ±1% of Range | | Resolution | - | - | - | 0.1A | | Frequency | | Range | 45 to 500 Hz | 45 to 500 Hz, 45-1 000 Hz (option) | | Accurace | ± 0.5% of reading | ± 0.02% of value | | Resolution of display | 0.1 Hz | 0.1 Hz |
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| | Model | CW 801P | CW 1251P | CW 2501P | | Power | 800 VA | 1250 VA | 2500 VA | | Power3 | | Range | 0 to 800W | 0 to 1250W | 0 to 2500W | | Accuracy | ±2% of range for linear loads | | Resolution | 1W | | Apparent Power3 | | Range | 0 to 800 VA | 0 to 1250 VA | 0 to 2500 VA | | Accuracy | ±2% of range for linear loads | | Resolution | 1 VA | | Power Factor3 | | Range | 0 to 1 | | Accuracy | ±4% of range for linear loads | | Resolution | 0.01 | | Crest Factor | | Range | 0 to 3.5 | | Accuracy | ±5% of range | | Resolution | 0.01 | | Phase | | Range | -359 to +359 degrees. Positive indicates time lag from reference | | Accuracy | Within 100 microseconds of equivalent angle | | Resolution | 1 degree |
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| | Model | CW 801M | CW 1251M | CW 2501M | CW 801P | CW 1251P | CW 2501P | | Power | 800VA | 1250VA | 2500VA | 800VA | 1250VA | 2500VA | | Voltage | 90 to 264 VAC | 103 to 264 VAC | 180 to 264 VAC | 90 to 264 VAC | 103 to 264 VAC | 180 to 264 VAC | | Current | 13 ARMS max | 18.5 ARMS max | 19.5 ARMS max | 13 ARMS max | 18.5 ARMS max | 19.5 ARMS max | | Frequency | 47 to 63 Hz | | Phases | single-phase | | Power Factor | >0.99 typical at full load nominal line | | Efficiency | >73% typical at full load |
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| | Model | CW 801M | CW 1251M | CW 2501M | CW 801P | CW 1251P | CW 2501P | | Dimensions | 19 W x 5.216 H x 20.07 D | 19 W x 5.216 H x 20.07 D | 19 W x 5.216 H x 20.07 D | 19 W x 5.216 H x 20.07 D | 19 W x 5.216 H x 20.07 D | 19 W x 5.216 H x 20.07 D | | Weight | 48Lbs (22kg) | 53Lbs (24kg) | 86Lbs (39kg) | 48Lbs (22kg) | 53Lbs (24kg) | 86Lbs (39kg) | | Shipping Weight | 56Lbs (25kg) | 61Lbs (28kg) | 94Lbs (43kg) | 56Lbs (25kg) | 61Lbs (28kg) | 94Lbs (43kg) |
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| | Front Panel Indicators | Displays & indicators menu/status Enter/escape buttons are present for programming Voltage mode (volts, watts, VA, PF) Green LED Measure (amps, Hz, Pk amps, CF) Green LED Program (amps, Hz I Limit) Green LED Voltage range high/low Green LED | | Regulatory compliance | CE mark, UL and CUL (consult factory for availability) |
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| | Cooling | Dual fan speed with side air intake, exhaust to rear
| | Operating temperature | 0 to 40°C
| | Storage temperature | -40 to +70°C
| | Humidity | 0 to 85% at 25°C derate to 50% at 40°C (non condensing)
| | Altitude | Operating full power available up to 6,000 feet, non operating to 40,000 feet |
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