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FEATURES
- Economical DC Voltmeter
- Replacement for Newport 201AN
- 200mV, 2V, 20V & 200V DC Ranges
- 115Vac Power
- Broad range scaling; 20 to 1,999
- Automatic Zero and polarity
- Differential signal input
- 2 year warranty
OPTIONS - 9 to 32Vdc power
- 230Vac power
- dc current measurements
- Screw terminals for Signal and Power
- Zero offset adjustment
DESCRIPTION
This model is a low cost 3½ digit (±1,999 count) digital voltmeter accepting DC Voltages in four user selectable ranges. This meter fits a standard 1/8 DIN cutout (92mmX45mm) and is a direct replacement for Newport model 201AN with the exception of case length. 115Vac power is provided standard with 230Vac and 9 to 32Vdc power available as options. The signal input is true differential, bipolar, auto-zero and auto-polarity. Broad range user adjustable scalingfrom 20 to 1,999 counts is provided. Options include: T1 screw terminal barrier strip for signal and power, dc current measurement (20µA to 200mA in 5 ranges) and Zero offest control. High quality construction and conservative design makes this display the choice for industrial applications. A two year warranty is standard.
*Also available in 4½ digit
Signal Input
| Voltage Ranges | ||||
| Range | ±199.9mV | ±1.999V | ±19.99V | ±199.9V |
| Resolution | 100±V | 1mV | 10mV | 100mV |
| Maximum Input | 130Vp | 130Vp | 250Vp | 250Vp |
| Input Resistance | 50Kohm | 50Kohm | 50Kohm | 50Kohm |
| Bias Current | 1pA | 1pA | 1pA | 1pA |
| Current Ranges Range |
Resolution |
Input Resistance |
Maximum Overload |
| ±19.99µA | 10nA | 10 Kohm | 5mA |
| ±199.9µA | 100nA | 1 Kohm | 15mA |
| ±1.999mA | 1µA | 100 ohm | 50mA |
| ±19.99mA | 10µA | 10 ohm | 150mA |
| ±199.9mA | 100µA | 1 ohm | 500mA |
INPUT CONFIGURATION
Configuration..................................Differential, Bipolar
Zero.....................................................................Automatic
Zero Offset Control (ZO Option).............±100 counts
Span (User adjustable)..................±20 to 1,999 counts
NOISE REJECTION
NMR.........................................................56db, 50/60Hz
CMR, ac GND to SIG GND............120db, dc to 60Hz
CMR, SIG LO to SIG GND.............80db, dc to 60Hz
CMV, ac GND to SIG GND........1500 Vp per HV test
CMV, SIG LO to SIG GND.......................................±Vp
ACCURACY AT 25°C
Maximum error..............±0.05% of reading ±1 count
Span TempCo..............±0.01% of reading per °C
Step Response............500ms
Warmup to rated accuracy..................2 min
ANALOG TO DIGITAL CONVERSION
Technique......................Dual-slope, average value
Polarity............................Automatic (-) sign only
Integration period.................330ms
Read rate................................3 readings per second
3-WIRE RATIO REFERENCE
| Analog input Range | ±200mV | ±2, ±20, ±200V |
| External ref. input | 0.05 to +0.2V | 0.05 to +0.2V |
| Load on ref. std. | 2 Kohm | 2 Kohm |
| Load on ref. opt. | 100 Mohm | 100 Mohm |
| Accuracy | 99.9% | 99.9% |
Type.........................................7-segment, red-orange LED
Height...........................................................14.2 mm (0.56")
Symbol........................................................................-1.8.8.8
Decimal Points.......3 positions programmable internally
or at connector J1
Overrange indication......3 least-significant digits blank