The PT1001 provides an absolute accuracy of ±0.005% over its entire resistance range. There is no need to even attempt to calculate or compensate for the error contribution due to contact resistance or "0" resistance because there is no "0" resistance. The unique shunt decade design (Waidner-Wolf) reduces these errors to a level of insignificance. The usable resistance range of 10 to 1111.70 ohm is ideally suited for use with DIN PT-100 ANSI, PT-50 and NI-120 systems.
These are the only instruments on the market today that are based upon the Waidner-Wolf shunt-type circuit. The Waidner-Wolf shunt decade is significantly more accurate than normal decade because it eliminates all "O" and contact resistance effects.
SPECIFICATIONS
RTD Simulator
PT1001
PT1002
PT1003
PT1004
Resistance Range
10.000 to 1111.70
10.000 to 1111.70
100.00 to 11,111.10
20.00 to 1121.10
Number of Decades
6
6
6
5
Resolution (least significant decade)
0.001ohm
0.001ohm
0.01ohm
0.01ohm
Absolute Accuracy
±0.005%
±0.01%
±005%
±0.02%
Maximum Current for Rated Accuracy
10.000 to 99.999
75mA
75mA
n/a
50mA
100.000 and up
25mA
25mA
25mA
15mA
Switch Life Rating (operations)(typical)
>100,000
>100,000
>100,000
>50,000
Resistor Tempco (ppm/°C)
3 typical / 5 max
Resistor Stability (ppm/24hrs.~ ppm/1yr.)
±10 - ±35
Maximum Power Rating (milliwatts)
100
Breakdown Voltage (VRMS)
750
Operating Temperature Range (°C)
-55 to +70 °C)
Dimensions — inches(mm)
4H x 17W x 31/8D (102 x 43 x 79)
3 x 5 x 4 (76 x 127 x 101)
CAT NO.
MODEL
DEscRIPTION
AVAIL
PRICE
PT1001
RDT-100X
Absolute Accuracy ± 0.005%
Yes
6,416,820
PT1002
RDT-100
Absolute Accuracy ± 0.01%
Yes
4,213,620
The PT1002 is identical to the PT1001except for its absolute accuracy.
PT1003
RDT-500/1000
Absolute Accuracy ± 0.005%
Yes
4,220,964
Similar in design and proformance to the PT1002 but is specifically engineered for use with 1000 ohm platinum RTDs.
PT1004
RDT-200
Absolute Accuracy ± 0.02%
Yes
2,201,364
The absolute accuracy of ± 0.02% over the entire range of 20-1120 ohms is often, more accurate than the ± 0.01% basic accuracy offered by many RTD units because the accuracy statement of ± 0.02% is absolute and includes all "0" resistance and contact resistance.
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