HTF3226LF Measurement Specialties Inc/MEAS France, HTF3226LF Datasheet - Page 2

• Manufacturer Part Number: HTF3226LF
• Description: MODULE RH TEMP FREQ OUT JST CONN
• Manufacturer: Measurement Specialties Inc/MEAS France

Specifications of HTF3226LF

• Output Type: Frequency, NTC Thermistor
• Sensor Type: Humidity and Temperature
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

HTF3226LF - Temperature and Humidity Module
PERFORMANCE SPECS
MAXIMUM RATINGS
Ratings
Storage Temperature
Storage Humidity
Supply Voltage (Peak)
Humidity Operating Range
Temperature Operating Range
Peak conditions: less than 10% of the operating time.
ELECTRICAL CHARACTERISTICS
Humidity Characteristics
Humidity Measuring Range
Relative Humidity Accuracy (10 to 95% RH)
Supply Voltage
Nominal Output @55%RH
Current consumption
Temperature Coefficient (0 to 60°C)
Average Sensitivity from 33% to 75%RH
Condensing conditions output (100% RH)
Recovery time after 150 hours of condensation
Humidity Hysteresis
Long term stability
Time Constant (at 63% of signal, static) 33% to 76%RH
Temperature Characteristics
Nominal Resistance @25°C
Beta value: B25/100
Temperature Measuring Range
Nominal Resistance Tolerance @25°C
Beta Value Tolerance
Response Time
TYPICAL PERFORMANCE CURVES
HUMIDITY SENSOR
•
Linear Reference Curve:
Second Order Curve:
HTF3226LF HPC053 Rev E
(Ta=25°C, Vs=5Vdc +/-5%, R
Modeled signal output
L
(1)
>100kΩ unless otherwise stated)
Fout (Hz) = 9595 – 14.8*RH
Fout (Hz) = 9659 – 18.79*RH + 0.0404*RH²
Symbol
RHstg
Tstg
RH
Vs
Ta
-40 to 85
-30 to 85
0 to 100
0 to 99
Value
www.meas-spec.com
7
2/6
% RH
% RH
Unit
Vdc
°C
°C
ΔFout/ΔRH
Symbol
Symbol
with Fout in Hz and RH in %
Fout
Fout
R
RH
RH
Ta
T
Vs
R
β
β
Ic
τ
tr
T
τ
cc
N
3600
Min
8670
8000
-30
Min
4.75
-13
1
with Fout in Hz and RH in %
3730
+/-0.5
Typ
8750
Typ
5.00
+/-5
-0.2
10
10
-14
10
2
3
Max
3800
+/-10
Max
8830
8300
5.25
+/-1
-16
0.1
80
99
10
3
Hz/%RH
%RH/°C
%RH/yr
April 2008
%RH
%RH
%RH
Unit
Unit
Vdc
mA
kΩ
Hz
Hz
°C
%
%
s
s
s