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| Parameter |
251TL |
351TL |
| Type |
Programmable |
Programmable |
| Controls |
Digital Encoders |
Digital Encoders |
| Readouts |
dual 4 digit LCD’s |
dual 4 digit LCD’s |
| Non Volatile Setups (with -OP1 option) |
1 (8) |
1 (8) |
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| Parameter |
251TL |
351TL |
| AC Power maximum |
250 VA |
350 VA |
| Load Connection |
Rear panel terminal block
Floating neutral |
Rear panel terminal block
Floating neutral |
| Voltage |
| High range / Low range |
0 - 270 V RMS |
0 - 135 V RMS |
| Accuracy 16-100Hz |
± 0.1 % FS |
± 0.1 % FS |
| Accuracy 100-5000Hz |
± 0.2 % FS |
± 0.2 % FS |
| Accuracy 5000-8000Hz |
± 0.3 % FS |
± 0.3 % FS |
| Resolution |
0.1 V |
0.1 V |
Load Regulation
<2000Hz |
0.1 % FS |
0.1 % FS |
Load Regulation
2000-5000 Hz |
0.15 % FS |
0.15 % FS |
Load Regulation
>5000 Hz |
0.25 % FS |
0.25 % FS |
Line Regulation
10% Line change |
± 0.02 % FS |
± 0.02 % FS |
| T.H.D. (into a resistive load) 16-999Hz |
< 0.5 % |
< 0.5 % |
| T.H.D. (into a resistive load) 1000-8000Hz |
< 2.0 % |
< 2.0 % |
Output Noise
full scale at full power |
-.73 dB Max. |
-.73 dB Max. |
| Frequency (See V-F Rating chart) |
| Range |
16-8000 Hz |
16-8000 Hz |
| Accuracy |
± 0.02 % |
± 0.02 % |
| Resolution 16-79.99Hz |
0.01 Hz |
0.01 Hz |
| Resolution 80-799.9Hz |
0.1 Hz |
0.1 Hz |
| Resolution 800-8000Hz |
1 Hz |
1 Hz |
| Current |
RMS Current
High / Low Vrange |
1.2 / 2.4 A RMS |
1.4 / 2.8 A RMS |
Peak Current
High / Low Vrange |
3.0 / 6.0 A peak |
3.0 / 6.0 A peak |
Maximum
Power Ratings |
The 351TL is rated for 350 VA
of power down to 90 % of voltage
range. The 251TL is rated for 250
VA of power down to 78 % of voltage
range. |
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| Adj. Current limit Resolution |
0.1 A RMS |
| Modes |
Const. Voltage or Const. Current |
| Over Temperature and Over Voltage |
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| Connection |
Rear panel terminal block |
Line Voltage
2 wire + GND |
100, 115, 200, 230 ± 10% V RMS |
| Line Current |
< 16 A RMS |
| Line Frequency |
47 - 440 Hz |
| Holdup Time |
10 ms |
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| Measurements (* Requires Option -OP1) |
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| Current Range |
4.000 A RMS |
Peak Current*
Accuracy |
0.2 % FS + 0.3 % rdng |
| Peak Current* Resolution |
0.001 / 0.01 A RMS |
Peak Current*
Range |
12.00 A |
| Voltage* Accuracy |
0.5 % FS + 0.5 % rdng |
| Voltage* Resolution |
0.01 / 0.1 A |
| Voltage* Range |
0 - 300.0 V RMS |
| Power* Accuracy |
0.1 % FS + 0.05 % rdng |
| Power* Resolution |
0.1 V RMS |
| Power* Range |
400.0 W |
| Power Factor* |
Accuracy 0.5 % FS
Resolution 0.2 W |
| Power Factor* |
Range 0.00 - 1.00
Resolution 0.01 |
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| Remote Control (* Requires Option -OP1) |
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Requires Option -OP1)
Interface* |
RS232C and IEEE-488 |
| IEEE Functions |
SH1, AH1, T8, L3, RL2 |
| RS232C settings |
19200,8,n,1 |
| Command Language |
SCPI |
| Remote Inhibit* Output shut down |
TTL in, active low BNC |
Function Strobe*
On V or F change |
TTL out, active low BNC |
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| Dimensions HxWxD |
5.25 x 19 x 22 inches
133 x 483 x 560 mm |
| Weight (net) |
75 lbs / 34 kg |
| Vibration and Shock |
Designed to meet NSTA-1A |
| Temperature Operating |
0 to 40 ° C |
| Temperature Storage |
- 40 to + 85 ° C |
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