# Dwyer Instruments

**Manufacturer:** Dwyer Instruments  
**MPN:** `TE-DFN-F0644-00`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Dwyer Instruments |
| Manufacturer name | Dwyer Instruments |
| Manufacturer | Dwyer Instruments |
| DimensionUnit | inch |
| GraingerSku | 6CTU7 |
| Extra Product Name | Dwyer Instruments |
| UPC | None |
| UnitOfMeasure | EA |
| Weight | 0.1 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | CN |
| extendedLead | 10 |
| extendedQty | -2 |
| height | 1.2 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 8 |
| moq | 1 |
| MPN | TE-DFN-F0644-00 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G7498723 |
| tierMinQty1 | 1 |
| tierPrice1 | 11.00 |
| url | https://www.zoro.com/dwyer-instruments-duct-probe-20k-ohm-thermistor-6-in-l-te-dfn-f0644-00/i/G7498723/ |
| width | 2.2 |
| Item | Duct Temperature Probe |
| Primary Measuring Element | Thermistor |
| Probe Temp Measuring Element | 20K Ohm Thermistor |
| Temp Range (F) | -57 Degrees to 257 Degrees |
| Probe Contact Material | 304 Stainless Steel |
| Probe Connection Type | Bare Wire |
| Probe Wire Length | 4 in |
| Probe Length | 6 in |
| Wire Length | 4" |
| Use | Air and Gases |
| Temperature Measuring Element | 20K Ohm Thermistor |
| Probe Dia | 1/4 in |
| Accuracy | +/-0.28 Degrees F at 32 Degrees F/ +/-0.15 Degrees C at 0 Degrees C, +/-0.4 Degrees F at 77 Degrees F/ +/-0.22 Degrees C at 25 Degrees C |
| Probe Connector | Bare Wire |
| Process Connection | Flange, Probe Only |
| Probe Material | 304 Stainless Steel |
| Manufacturers Warranty Length | 1 yr |
| Minimum Temperature F | -40 Degrees F |
| Includes Signal Converter | No |
| Maximum Temperature F | 302 Degrees F |
| Probe Diameter | 0.25 in |
| Probe Sheath Material | 304 Stainless Steel |
| Probe Bend | Straight |
| Minimum Temperature C | -40 Degrees C |
| Resistance | 20,000 ohm |
| Sensor Type | Thermistor |
| Connector Type | Bare Wire |
| Head Material | 304 Stainless Steel |
| Probe Size | 1/4 in x 6 in |
| For Application | AHU Monitoring, Building Automation, Chiller or Boiler Loops, VAV Temperature Sensing |
| For Air | Yes |
| For Liquids and Gels | Yes |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G7498723 | 11.0 | 1 | None | 1 |
| Raptor Supplies | AE8EWV |  |  | None | 1 |
| sustainablesupply.com | C1760558 | 14.6 | 1 | None | 1 |
| midwestapplianceparts.com | TE-DFN-F0644-00-DW-P | 16.27 | 1 | None | 1 |
| ptacsolutions.com | TE-DFN-F0644-00 |  |  | None | 1 |
| Grainger | 6CTU7 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/240000000/240490000/part_--TEDFNF064400---DwyerInstruments--a28533b7ef.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp