HTM2500_02 Datasheet, PDF (1/5 Pages) Humirel – RELATIVE HUMIDITY/ TEMPERATURE MODULE

1 TECHNICAL DATA
RELATIVE HUMIDITY/ TEMPERATURE MODULE
HTM2500
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.
MAIN FEATURES
q Small size
q Not affected by water immersion
q Full interchangeability
q High reliability and long term stability
q Typical 1 to 4 Volt DC output for 0 to 100% RH at 5 V DC supply
q Humidity calibrated within +/- 2% RH @ 55% RH
q Temperature measurement through NTC 10kohm +/- 3% direct output
q Ratiometric to voltage supply
q Suitable for 3 to 10 Volts supply voltage
HUMIDITY SENSOR SPECIFIC FEATURES
q Instantaneous de-saturation after long periods in saturation phase.
q Patented solid polymer structure.
q High resistance to chemicals.
q Fast response time.
MAXIMUM RATINGS
OPERATING RANGE
100
Ratings
Symbol Value
Unit
90
Storage Temperature
Tstg
Supply Voltage (peak)
Vs
Humidity Operating Range RH
Temperature Operating Range Ta
-40 to 85
°C
12
Vdc
0 to 100
% RH
-30 to 70
°C
80
70
60
50
STEADY
40
STATE
30
20
Peak conditions: less than 10% of the operational time.
10
0
CHARACTERISTICS
-40
-20
0
20
40
60
80
AMBIENT TEMPERATURE IN ¡C
(Ta = 23°C, Vs = 5Vdc, R_L > 1M⍀ otherwise stated)
Characteristics
Humidity measuring range
Relative Humidity accuracy (10 to 95% RH)
Voltage supply
Nominal output @ RH = 55%
Current consumption
Temperature coefficient (10 to 50 °C )
Averaged Sensitivity from 33% to 75% RH
Sink current capability (R_L ϭ 15 k⍀)
Recovery time after 150 hours of condensation
Humidity Hysteresis
Long term stability
Response time (33 to 76% RH, static, @ 63%)
Output impedance
Symbol
Min
RH
1
RH
V_s
4.75
V_out
2.42
I_c
T_cc
⌬mV/% RH
I_s
t
␶
Z
Typ
+/-3
5.00
2.48
0.4
+ 0.1
+25
10
+/-1.5
0.5
5
70
Max
Unit
99
% RH
+/- 5
% RH
5.25
V
2.54
V
0.8
mA
% RH/°C
mV/% RH
300
␮A
s
% RH
%RH/yr
s
⍀