Temperature Sensors Platinum RTDs FEATURES Linear resistance temp

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Temperature Sensors Platinum RTDs FEATURES Linear resistance temp

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Temperature Sensors Platinum RTDs
FEATURES Linear resistance temperature Accurate Interchangeable Excellent stability Small size Printed circuit mountable Ceramic package TYPICAL APPLICATIONS HVAC room, duct refrigerant equipment Instrument probe assemblies Electronic assemblies temperature compensation Process control temperature regulation ORDER GUIDE
HEL-775-A HEL-775-B Ceramic pkg. 0.100 lead spacing Ceramic pkg. 0.050 lead spacing 1000 0.00375 0.00385 /°C, specification ±0.2% Resistance Trim (Standard) ±0.1% Resistance Trim (Optional)
HEL-775 Series
HEL-775 platinum RTDs designed measure temperatures from -55° +150°C (-67° 302°F) printed circuit boards, temperature probes, other lower temperature applications. Solderable leads 0.050 0.100 spacing provide strong connections wires printed circuits. 1000 alpha version, provides greater sensitivity signal-tonoise. 0.050 lead space models ideal probes.
Fig. Wheatstone Bridge 2-Wire Interface
MOUNTING DIMENSIONS (for reference only) mm/in. HEL-775-A HEL-775-B
Fig. Linear Output Voltage
Temperature
Fig. Adjustable Point (Comparator) Interface
CAUTION
PRODUCT DAMAGE
inherent design this component causes sensitive electrostatic discharge (ESD). prevent ESD-induced damage and/or degradation, take normal precautions when handling this product.
Honeywell
Sensing Control 1-800-537-6945
1-815-235-6847 International 1-800-737-3360 Canada
Temperature Sensors Platinum RTDs
FUNCTIONAL BEHAVIOR R0(1+AT+BT2-100CT3+CT4) Resistance temperature (°C) Resistance Temperature CT<0 1002 Alpha, (°C-1) 0.00375 ±0.000029 1.605 0.009 0.16 T>0°C ACCURACY TEMPERATURE Tolerance Temperature (°C) -200 -100 1000 Standard ±0.2% 11.0 12.5 15.1 (°C)
HEL-775 Series
Optional ±0.1% 10.4 RTD. (°C)
1004
0.003850 ±0.000010 1.4999 0.007 0.10863
Delta, (°C) Beta, (°C-1) (°C-2) (°C-4) Both (°C)
RTD. Divide
RESISTANCE TEMPERATURE CURVE
SPECIFICATIONS Sensor Type Temperature Range Temperature Accuracy Base Resistance Interchangeability, Linearity Time Constant Operating Current Stability Self Heating HEL-775-A HEL-775-B Insulation Resistance Construction Lead Material Lead Configuration Thin film platinum RTD: 1000 0°C; alpha 0.00375 0°C; alpha 0.00385
-55° +150°C (-67° +302°F) ±0.5°C 0.8% temperature, ±0.2% trim), whichever greater ±0.3°C 0.6% temperature, ±0.1% trim), whichever greater (optional) 1000 1000 (±0.2%) (±0.1%) (±0.2%) (+0.2%) (optional)
±0.15% full scale temperatures spanning -55° 150°C sec. ft./sec. maximum still <0.3°C (0.5°F) self heating <0.05°C years occupied environments 9.7mW/°C nominal 10ft/sec, 4.3mW/°C nominal enclosed still 6.8mW/°C nominal 10ft/sec, 3.0mW/°C nominal enclosed still 25°C Alumina substrate with epoxy protection Phosphor bronze with bright lead 60/40 plating 2-wire
Honeywell
Sensing Control 1-800-537-6945
1-815-235-6847 International 1-800-737-3360 Canada

Temperature Sensors Platinum RTDs FEATURES Linear resistance temp

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