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Extech 405000 Programmable DC
Process Indicator
Click image to enlarge
Extech 405000
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Features:
- Surface mount design ensures repeatability and precision
- ABS construction with protective cover
- Mounts on the sensor head of a temperature probe
- Programmable J, K Thermocouple or Pt-100? RTD inputs
- Cold Junction Compensated (CJC)
- Configurable temperature ranges plus fine ZERO and SPAN adjustments
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Description
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This professional device, with proper care, will provide years of safe reliable service. The Model 405000 is a configurable 2-wire 4-20 mA output temperature transmitter for mounting in thermocouple or RTD connection heads or on its own (indoor use only).
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Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| 405000 |
TRANSMITTER, 2-WIRE RTD - Discontinued - no replacement |
Specifications
| General Specifications |
| Input |
J , K thermocouples, Pt 100 Ω RTD (Section 8) |
| Output |
4-20mA two-wire |
| Input impedance |
1 Mohm |
| Excitation current |
0.23mA |
| Circuit break protect |
Upscale >30mA |
| Power supply |
12 to 45VDC (polarity protected) |
| Load capability |
600 ohms max. at 24V |
| Accuracy J or K thermocouple |
0.1% full scale |
| Accuracy RTD |
0.1 to 0.25% full scale |
| Linearity |
0.06% full scale |
| Calibration |
Zero and Span potentiometer adjustments |
| Zero drift |
± 0.02% / ° C |
| Voltage supply effect |
± 0.002% / V |
| Cold junction compensation |
32 to 122 ° F (0 to 50 ° C) |
| Operating temperature |
-4 to 158 ° F (-20 to 70 ° C) |
| RFI immunity |
CE certified |
| Housing and rating |
ABS plastic with protective cover, Nema 2 (IP-42) |
| Dimensions |
1.7” (43mm) dia., 1” (26mm) high |
| Mounting holes |
1.3” (33mm) to 1.9” (49mm) |
| Weight |
0.8oz. (25g) |
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