Relative Temperature and Humidity Sensor
-
Price
Price on request ≥1piece
-
Model Number
HTM2500/HTM2500LF -
Data Sheet
-
Package
Original packaging -
Specs
HTM2500/HTM2500LF -
Quantity
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Product Description
HTM2500/HTM2500LF Relative Temperature and Humidity Sensor
• Hermetic Housing
• Humidity calibrated within +/-2% @55%RH
• Temperature measurement through NTC 10kOohms +/-3% direct output
• Small size product
• Typical 1 to 4 Volt DC output for 0 to 100%RH at 5Vdc
HTM2500LF Relative Temperature and Humidity Sensor DESCRIPTION
Based on the rugged HTS2010 humidity / temperature sensor, HTM2500 is a dedicated humidity and temperature transducer designed for OEM applications where a reliable and accurate measurement is needed. Direct interface with a micro-controller is made possible with the module's humidity linear voltage output.
HTM2500LF Relative Temperature and Humidity Sensor FEATURES
• Full interchangeability
• High reliability and long term stability
• Not affected by water immersion
• Ratiometric to vlotage supply
• Suitable for 3 to 10 Vdc supply voltage
Humidity Sensor Specific Features
• Instantaneous de-saturation after long periods in saturation phase
• Fast response time
• High resistance to chemicals
• Patented solid polymer structures
Temperature Sensor Specific Features
• Stable
• High sensitivity
HTM2500LF Relative Temperature and Humidity Sensor APPLICATIONS
• Industrial
• Process control
• Hygrostat
• Data logger
HTM2500LF Relative Temperature and Humidity Sensor PERFORMANCE SPECS
MAXIMUM RATINGS
|
Ratings |
Symbol |
Value |
Unit |
|
Storage Temperature |
Tstg |
-40 to 85 |
°C |
|
Storage Humidity |
RHstg |
0 to 100 |
% RH |
|
Supply Voltage (Peak) |
Vs |
12 |
Vdc |
|
Humidity Operating Range |
RH |
0 to 100 |
% RH |
|
Temperature Operating |
Ta |
-30 to 70 |
°C |
ELECTRICAL CHARACTERISTICS
(Ta=23°C, Vs=5Vdc +/-5%, RL>1M unless otherwise stated)
|
Humidity Characteristics |
Symbol |
Min |
Typ |
Max |
Unit |
|
Humidity Measuring Range |
RH |
1 |
|
99 |
%RH |
|
Relative Humidity Accuracy (10 to 95% RH) |
RH |
|
+/-3 |
+/-5 |
%RH |
|
Supply Voltage |
V |
4.75 | 5.00 | 5.25 |
Vdc |
|
Nominal Output @55%RH (at 5Vdc) |
Vout |
2.42 | 2.48 | 2.54 |
V |
|
Current consumption |
Ic |
|
0.4 | 0.4 |
mA |
|
Temperature Coefficient (10 to 50°C) |
Tcc |
|
+0.1 |
|
%RH/°C |
|
Average Sensitivity from 33% to 75%RH |
△Vout/△RH |
|
+25 |
|
mV/%RH |
|
Sink Current Capability (RL=15kΩ) |
Is |
|
|
300 |
µA |
|
Recovery time after 150 hours of condensation |
tr |
|
10 |
|
s |
|
Humidity Hysteresis |
|
|
+/-1.5 |
|
%RH |
|
Long term stability |
T |
|
+/-0.5 |
|
%RH/yr |
|
Time Constant (at 63% of signal, static) 33% to 76%RH |
τ |
|
5 |
|
s |
|
Output Impedance |
Z |
|
70 |
|
Ω |
(Ta=25°C)
|
Temperature Characteristics |
Symbol |
Min |
Typ |
Max |
Unit |
|
Nominal Resistance @25°C |
R |
|
10 |
|
kΩ |
|
Beta value: B25/100 |
β |
3600 |
3730 | 3800 |
|
|
Temperature Measuring Range |
Ta |
-40 |
|
85 |
°C |
|
Nominal Resistance Tolerance @25°C |
RN |
|
2 | 3 |
% |
|
Beta Value Tolerance |
β |
|
3 |
|
% |
|
Response Time |
τ |
|
10 |
|
s |