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Select
this text to download Literature for Model 475 in PDF format. RTD Digital Temperature
Calibrator/Indicator
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Model 475 Calibrator/
Indicator is compatible with Platinum RTD's, both Model 475 uses custom VLSI ICs in a patented circuit design to deliver exceptional accuracy, high reliability, and long battery life in a truly portable, handheld instrument. So you can use it in the field, on the bench, or in the laboratory with the assurance of fast readings and economical operation. Large touch-type switches and precision adjustment control let you access multiple functions quickly, and because you can both simulate RTDs and measure corresponding transmitter output with one instrument, calibration is faster. Model 475 operates as a handheld indicator for measuring or monitoring 4-20mA signals. Adjustments need to be made only once, then calibrations can be made by simply toggling between the Output Hi/Lo and mA input functions with front panel switches. Included are a vinyl carrying case, Operator's Manual, battery, and connection set with clips and accessories. Rugged package design and complete fuse protection ensure reliable use, year in and year out. We back our digital temperature calibrator/indicators with a one year warranty and an international service network.
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0.00385
and
Model 475 Ranges & Accuracy |
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| Function | Curve | Display Resolution | Range | Accuracy** | |
PT
.385 (100
Ro) |
IPTS-68/DIN 43760 | 0.1° | -153.2° to +398.3°F | -102.9° to +203.5°C | ±0.1%rdg., ±0.45°F/±0.25°C |
| 1.0° | -388° to +1660°F | -233° to +904°C | ±0.1%rdg., ±1.8°F/±1.0°C |
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| PT
.392 (100
Ro) |
NBS 1948 | 0.1° | -153.2° to +398.3°F | -102.9° to +203.5°C | ±0.1%rdg., ±0.45°F/±0.25°C |
| 1.0° | -388° to +1660°F | -233° to +904°C | ±0.1%rdg., ±1.8°F/±1.0°C |
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| Cu (10
@ 25°C) |
Minco 16-9 | 1.0° | -58° to +482°F | -50° to +250°C | ±0.1%rdg., ±1.8°F/±1.0°C |
| ohms | 0.1 |
2.0 to
399.2 |
±0.1%rdg.,
±0.1 |
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| 1.0 |
2 to 1000 |
±0.1%rdg.,
±1.0 |
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| mA (A)** | 0.01mA | 0.00 to 39.92mA | ±0.1%rdg., ±0.02mA | ||
| mV (B)** | 0.01mA | 0.00 to 399.20mV | ±0.1%rdg., ±0.2mA | ||
| *Includes
all errors due to linearization, A/D conversion, internal instrument noise
at 22°C ± 3°C ambient temperature without zero or span adjustment for
24 hours. 3 wire RTD indication: add 2.5°C/
lead resistance.
** Selected by internal A/B slide switch. Both positions display as mA | |||||
General Specifications |
Operating Range
-20° to 55°C (-4°F to 131°F)
Battery Type/Life
9V NEDA 1604 (included)/300 hours
Size (H x W x D)
8.35" x 3.75" x 2.75"
(212mm x 95mm x 70mm)
Weight
1 lb (454g)
Warranty
One year
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