Honeywell T775 Series Catalog Page
Temperature Sensors
T775 Series 2000 Sensors
A family of general use, simple to use, broadly featured electronic temperature and universal controllers for use in HVAC, agricultural, and industrial applications.
• Use the T775-SENS-OAT to measure outside air temperature.
• Some typical applications for the 50021579-001 and T775SENSWT/WR sensors include:
• Monitoring return air temperatures
• Monitoring discharge air temperatures
• Monitoring mixed air temperatures
• All sensors:
• Fast response time and highly accurate
• 1/2 in. (6.35 mm) stainless steel probe with a thermally conductive epoxy
• 1,097 Ohms PTC at 77ÞF (25C)
• The 50021579-001 is a standard temperature sensor for indoor applications
• The T775-SENS-WR is a water resistant sensor with 5 ft leads
• The T775-SENS-WT is a water tight sensor with 6 ft leads
• The T775-SENS-OAT is for sensing outdoor air temperature and is housed in a weatherproof case for outdoor use (knockouts allow for 1/2 in. conduit connection)
• Two year warranty
Application: For indoor use in applications such as monitoring return air, discharge air, and mixed air temperatures
Used With: T775 Series 2000
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Operating |
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Temperature |
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Range |
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Dimensions, Approximate |
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Product Number |
Application |
Sensor Type |
(F) |
(C) |
(inch) |
(mm) |
Description |
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50021579-001/U |
For indoor use in |
1097 ohm @ |
-40 F to |
-40 C to |
2 in. long x 1/4 in. dia |
51 mm long x 6 mm |
Standard |
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applications such as |
77 F PTC |
270 F |
132 C |
probe with 9 in. lead |
dia probe with 227 mm |
Temperature Sensor |
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monitoring return air, |
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lead |
for the T775 Series |
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discharge air, and mixed |
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2000 |
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air temperatures |
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T775-SENS-OAT/U |
Outside air temperature |
PT1000, 1097 |
-40 F to |
-40 C to |
8 5/16 in. high x 3 5/8 in. |
211 mm high x 91 mm |
1097 ohm Outdoor |
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ohms @ 77 F |
158 F |
70 C |
wide x 2 1/4 in. deep |
wide x 57 mm deep |
Air Temperature |
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PTC |
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Sensor |
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T775-SENS-STRAP/U |
Hot or chilled water (strap |
PT1000, 1097 |
-40 F to |
-40 C to |
4 3/16 in. high x 2 5/16 |
107 mm high x 59 mm |
Strap-on Sensor for |
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on) |
ohms @ 77 F |
+250 F |
+121 C |
in. wide x 1 11/16 in. |
wide x 43 mm deep |
Hot or Chilled Water |
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PTC |
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deep |
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T775-SENS-WR/U |
For use in applications |
PT1000, 1097 |
-40 F to |
-40 C to |
2 in. long x 1/4 in. dia |
51 mm long x 6 mm |
Water-resistant |
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such as monitoring return |
ohms @ 77 F |
270 F |
132 C |
probe with 5 ft. lead |
dia probe with 1524 |
Sensor for T775 |
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air, discharge air, and |
PTC |
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mm lead |
Series 2000. |
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mixed air temperatures |
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T775-SENS-WT/U |
For use in applications |
PT1000, 1097 |
-40 F to |
-40 C to |
2 in. long x 1/4 in. dia |
51 mm long x 6 mm |
Water-tight Sensor |
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such as monitoring return |
ohms @ 77 F |
270 F |
132 C |
probe with 6 ft. lead |
dia probe with 1829 |
for T775 Series |
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air, discharge air, and |
PTC |
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mm lead |
2000 |
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mixed air temperatures |
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470 |
customer.honeywell.com |
70-6910 |
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