New
http://www.mew.co.jp/ac/e/ Matsushita Electric Works, Ltd.
MP MOTION SENSOR ‘NaPiOn’
ASCT1B324E ’06.12
ORDERING INFORMATION
MOTION SENSOR
(PASSIVE INFRARED TYPE)
MP MOTION SENSOR
‘’
FEATURES
1. The world’s smallest* with a built-in
amplifier
Extremely compact. Ideal for use in
miniaturized devices.
(*Based on our investigation as of November, 2006)
2. Dual lens colors (white and black)
are available
With an ultrasmall design and dual lens
colors (white and black), it is
inconspicuous, allowing the user to select
either white or black to match the
equipment color. This provides greater
flexibility in equipment design.
3. Both digital output and analog
output (with adjustable sensitivity) are
available.
4. Built-in amplifier for easy use
Has a built-in amplifier, and can be
connected directly to a microcomputer.
• Block diagram of the digital output circuit
• Block diagram of the analog output circuit
5. Detects even slight motion of a
person
With our sensor, even slight motions
made by people will be detected easily.
• Fine motion detection capability within
approximately 2 meters of sensor.
Standard type:
Detects movement of approximately
30cm 11.811inch.
Slight motion detection type:
Detects movement of approximately
20cm 7.874inch.
6. Noise withstanding capability
Circuitry is contained in a TO5 metal
package, providing at least twice the
noise withstanding capability as
conventional type.
• Comparison example of noise
withstanding capability
7. A low current consumption type (46
µA) has also been added to the lineup.
A type that keeps current consumption to
46 µA (less than 30% compared to
predecessor) is now available.
Ideal for battery driven devices.
*Digital output type only.
8. A more economically priced digital
output type (ST type) has been
launched.
APPLICATIONS
1. Home appliances
Useful for saving energy in air
conditioner, television, personal
computer, or ventilator and air purifier
2. Amusement machine market
Useful for saving energy and for
automated guidance in theme parks and
large video games
3. Equipment in service market
Useful for automated guidance,
automated announcements and energy
saving in vending machines, ATMs, etc.
4. Lighting market
Automated on/off controls, etc. for lamps,
desk lamps, indoor lights, halls, stairway
lights, etc.
Standard type Slight motion
detection type
Spot type 10 m detection type
Movement
Sensor
Infrared
radiation
Temperature difference Infrared
radiation
What is passive infrared type?
This sensor detects changes in infrared radiation which
occur when there is movement by a person (or object)
which is different in temperature from the surroundings.
Q As this sensor detects temperature differences, it is
well suited to detecting the motion of people by their
body temperature.
W Wide sensing area.
RoHS Directive compatibility information
http://www.mew.co.jp/ac/e/environment/
Vdd
Output
Single-chip
IC
TO5 metal package
(9.8mm × 9mm .386inch × .354inch dia.)
Gnd
Stabilized
power
supply
Amplifier
circuit
Comparator
output
circuit
Quad type
PIR element
Multi lens
Optical filter
Infrared
radiation
Vdd
Output
Single-chip
IC
TO5 metal package
(9.8mm × 9mm .386inch × .354inch dia.)
Gnd
Stabilized
power
supply
Amplifier
circuit
Quad type
PIR element
Multi lens
Optical filter
Infrared
radiation
Distance at which motion
sensor is not affected
by cellular phone noise
Conventional type Min. 1 to 2m 3.281 to 6.562ft
MP Motion Sensor Min. 1 to 2cm .394 to .787inch
AMN 1
Output
2: Analog output
3: Digital output (ST type)
4: Low current consumption
(digital output)
Detection performance
1: Standard detection type
2: Slight motion detection type
3: Spot detection type
4: 10m detection type
Feature
1: PC board mounting type
Operating voltage
1: 5V DC 2: 3V DC
Lens color
1: Black 2: White
MP Motion Sensor (AMN2, 3, 4)
2
PRODUCT TYPES
1. Digital output
2. Analog output
PERFORMANCE
2. Rating (Measuring condition: ambient temp. = 25°C 77°F) (Common to All types)
Rated operating
voltage Detection performance Ambient
temperature Lens color Part No. Packing quantity
Inner Outer
3 to 6 V DC
2.2 to 3 V DC
(Low current
consumption type)
Standard detection
type
Standard
–20 to +60°C
–4 to +140°F
Black AMN31111
50 pcs. 1,000 pcs.
White AMN31112
Low current
consumption
Black AMN41121
White AMN41122
Slight motion
detection type
Standard Black AMN32111
White AMN32112
Low current
consumption
Black AMN42121
White AMN42122
Spot detection type
Standard Black AMN33111
White AMN33112
Low current
consumption
Black AMN43121
White AMN43122
10m detection type
Standard Black AMN34111
White AMN34112
Low current
consumption
Black AMN44121
White AMN44122
Rated operating
voltage Detection performance Ambient
temperature Lens color Part No. Packing quantity
Inner Outer
4.5 to 5.5 V DC
Standard detection type
–20 to +60°C
–4 to +140°F
Black AMN21111
50 pcs. 1,000 pcs.
White AMN21112
Slight motion detection type Black AMN22111
White AMN22112
Spot detection type Black AMN23111
White AMN23112
10m detection type Black AMN24111
White AMN24112
Items Specified value Remarks
Power supply voltage –0.3 to 7 V DC
Usable ambient temperature –20 to 60°C –4 to +140°FNo freezing and condensing at low temperature.
Storage temperature –20 to 70°C –4 to +158°F
1. Detection performance
Items Standard
detection type
Slight motion
detection type
Spot detection
type
10m detection
type Conditions of objects to be detected
Rated detection distance
*Remark 1
5m 16.404ft
(Max.)
2m 6.562ft
(Max.)
5m 16.404ft
(Max.)
10m 32.808ft
(Max.)
1. Detectable difference in temperature between the target and
background for the spot type is more than 4°C 39.2°F.
2. Movement speed
1) Digital output type (ST type)
• Standard detection type/Spot detection type/
10m detection type: 0.8 to 1.2 m/s
• Slight motion detection type: 0.5 m/s
2) Analog output and low current consumption types
• Standard detection type/Spot detection type/
10m detection type: 0.5 to 1.5 m/s
• Slight motion detection type: 0.3 to 1.0 m/s
3. Detection object = human body (size is 700mm × 250mm
27.559inch × 9.843inch, but for the slight motion detection
type the size is 200mm × 200mm 7.874inch × 7.874inch)
Detection
range
Horizontal
*Remark 2 100°91°38°110°
Ver tical
*Remark 2 82°91°22°93°
Detection zone
*Remark 3 64 zones 104 zones 24 zones 80 zones
*Remarks 1. Depending on the difference in temperature between the background
and detection target and the speed at which the target moves, these
sensors may be capable of detection beyond the detection distances
stated above. Nevertheless, they should be used within the prescribed
detection distances. For further details, refer to the detection range
diagram on page 4.
*Remarks 2.
*Remarks 3. Regarding of detection zone, please refer to “DETECTION
PERFORMANCE” on page 4.
Vertical
Horizontal
(Standard detection/
Slight motion detection type)
(Spot detection type/
10 m detection type)
Cut out
Vertical
Horizontal
Cut out
MP Motion Sensor (AMN2, 3, 4)
3
3. Electrical characteristics (Measuring condition: ambient temp. = 25°C 77°F; operating voltage = 5V) (Common to All types)
1) Digital output
Remark: The current which is consumed during detection consists of the standby consumed current plus the output current.
2) Analog output
Note: To set to the same detection performance as the digital type, set the output voltage to the offset voltage (2.5V) ±0.45V (i.e. 2.95V or more and 2.05V or less).
[Timing chart]
1) Digital output
2) Analog output
Items Symbol Specified value Measured conditions
Standard type Low current consumption type
Rated operating voltage
Minimum
Typical
Maximum
Vdd
3.0 V DC
—
6.0 V DC
2.2 V DC
—
3.0 V DC
Rated consumption current
(Standby)*Remark
Typical
Maximum Iw 170 µA
300 µA
46 µA
60 µA Iout = 0
Output
(when detecting)
Current Maximum Iout 100 µA 100 µA Vout 7 Vdd–0.5
Voltage Minimum
Maximum Vout Vdd –0.5
—
Vdd –0.5
—Open when not detecting
Circuit stability time Typical
Maximum Tw u 7 s
30 s
7 s
30 s
Items Symbol Specified value Measured conditions
Rated operating voltage Minimum
Maximum Vdd 4.5 V DC
5.5 V DC
Rated consumption current Typical
Maximum Iw 0.17 mA
0.3 mA Iout = 0
Output current Maximum Iout 50 µA
Output voltage
Minimum
Typical
Maximum
Vout
0 V
2.5 V
Vdd
Output offset average voltage
Minimum
Typical
Maximum
Voff
2.3 V
2.5 V
2.7 V
Steady-state output voltage
when not detecting
Steady-state noise Typical
Maximum Vn 155 m Vp-p
300 m Vp-p
Circuit stability time Maximum Twu 45 s
ON
OFF
Power supply
Detection state
ON
OFF
Detect
Not
detect
Sensor output
Circuit stability time
Remark:
Circuit stability time: 30s max.
While the circuitry is stabilizing after the power is turned on, the sensor output
is not fixed in the “on” state or “off” state. This is true regardless of whether or
not the sensor has detected anything.
Vdd
GND
(Comparator
decision output)
Vdd
Voff V h V n
V l
GND
Circuit stability time
Body
movement Threshold voltage 1
(comparator)
Threshold voltage 2
(comparator)
Power supply
Detection state
Detect
Not
detect
Output waveform
V out Remark:
Circuit stability time: 45s max.
While the circuitry is stabilizing after the power is turned on, the sensor output
is not fixed in the “on” state or “off” state. This is true regardless of whether or
not the sensor has detected anything.
MP Motion Sensor (AMN2, 3, 4)
4
DETECTION PERFORMANCE
1. Standard detection type
X-Y cross section
Remarks:
1. The X-Y cross-sectional diagram shows the detection area.
2. The differences in the detection zone patterns are indicative of the projections of
the 16 lenses with single focal point and with five optical axes. An object whose
temperature differs from the background temperature and which crosses inside
the detection zone will be detected.
X
5m
16.404ft
5m
16.404ft
2.5m
8.202ft
2.5m
8.202ft
50°
50°
0°
TOP VIEW
YDetection zone
1
3.281
(Max. 7.42m)
(Max. 24.344ft)
(Max. 5.66m)
(Max. 18.570ft)
X
2
6.562 2
6.562
3
9.843 3
9.843
4m
13.123ft 4m
13.123ft
1
3.281
1
3.281
1
3.281
2
6.562
2
6.562
3m
9.843ft
3m
9.843ft
Y
5m
16.404ft
5m
16.404ft
2.5m
8.202ft
2.5m
8.202ft
41°
41°
0°
SIDE VIEW
2. Slight motion detection type X-Y cross section
1m
3.281ft
1.5
4.921
2
6.562
2.5m
8.202ft
–1.5
–4.921
–2
–6.562
–2.5m
–8.202ft
1
3.281
0.5
1.640
0
–0.5
–1.640
–1
–3.281
2m
6.562ft
Y
46°
46°
0°
1m 2m
3.281ft 6.562ft
Y
Detection zone
X
–0.5
–1.640
–0.5
–1.640
–1
–3.281
–1.5
–4.921
–2
–6.562
0.5
1.640
0.5
1.640
1
3.281
1.5
4.921
2
6.562
–1
–3.281 1
3.281
–1.5
–4.921 1.5
4.921
–2
–6.562 2
6.562
–2.5m
–8.202ft
2.5m
8.202ft
–2.5m
–8.202ft
2.5m
8.202ft
(Max. 5m dia.)
(Max. 16.404ft dia.)
Remarks:
1. The X-Y cross-sectional diagram shows the detection area.
2. The differences in the detection zone patterns are indicative of the projections of
the 26 lenses with single focal point and with three optical axes. An object whose
temperature differs from the background temperature and which crosses inside
the detection zone will be detected.
MP Motion Sensor (AMN2, 3, 4)
5
3. Spot detection type
4. 10m detection type
TOP VIEW
2m
5.562ft
0
1.25
4.101
2.5m
8.202ft
2.5
8.202
1.25
4.101
5m
16.404ft
X
19°
19°
0°
2.5
8.202
5m
16.404ft
SIDE VIEW
Y
11°
11°
0°
2m
5.562ft
0
1.25
4.101
2.5m
8.202ft
2.5
8.202
1.25
4.101
5m
16.404ft
2.5
8.202
5m
16.404ft
Y
X
1m
3.281ft
1m
3.281ft
(Max. 2m)
(Max. 6.562ft)
(Max. 1.4m)
(Max. 4.593ft)
0.5
1.640
0.5
1.640
0.5
1.640 0.5
1.640
1m
3.281ft 1m
3.281ft
X-Y cross section
Remarks: 1. The X-Y cross-sectional diagram shows the detection area.
2. The differences in the detection zone patterns are indicative of the projections of the 6 lenses with single focal point and with two optical axes.
An object whose temperature differs from the background temperature and which crosses inside the detection zone will be detected.
X-Y cross section
Remarks:
1. The X-Y cross-sectional diagram shows the detection area.
2. The differences in the detection zone patterns are indicative of the projections of
the 20 lenses with single focal point and with five optical axes. An object whose
temperature differs from the background temperature and which crosses inside
the detection zone will be detected.
TOP VIEW
55°
5m
16.404ft
10m
32.808ft
5m
16.404ft
10m
32.808ft
X
Detection zone
4
13.123
6
19.685 4
13.123
Y
X
6m
19.685ft
6m
19.685ft
(15.9m 52.165ft)
4
13.123
4
13.123
2
6.562
2
6.562
8
26.247
10m
32.808ft 6
19.685 8
26.247 10m
32.808ft
2
6.562 2
6.562
(12.3m 40.354ft)
TOP VIEW
55°
5m
16.404ft
10m
32.808ft
5m
16.404ft
10m
32.808ft
X
5. Notes regarding the detection zone
The detection zone has the polarity shown in the diagram on the
right. When targets enter both the + and – zones with the same
timing, the signals are cancelled each other, thus in this case
there is a possibility that the object cannot be detected at the
maximum specified detection distance. Detection zone
Target
MP Motion Sensor (AMN2, 3, 4)
6
HOW TO USE
1. Wiring diagram
2. Timer circuit example
1) Digital output 2) Analog output
Vdd
GND
Out
Iout: Max.100 µA
+
+
Sensor
Load
Vdd: Input power source (DC)
GND: GND
Out: Output (Comparator)
Vdd
GND
Out
Sensor
Microcomputer,
A/D converter
etc.
OP
AMP
1) Digital output
Note: This is the reference circuit which drives the MP motion sensor. Install a noise
filter for applications requiring enhanced detection reliability and noise
withstanding capability.
Differences in the specifications of electronic components to which the units
are connected sometimes affect their correct operation; please check the
units’ performance and reliability for each application.
2) Analog output
Note: This circuit is a sample of a drive circuit for the MP Motion Sensor. Its noise
resistance and long-term reliability are not considered or investigated.
To improve the detection reliability and noise resistance of the circuit, consider
adding a noise filter.
Matsushita Electric Works, Ltd. accepts no responsibility for damages
resulting from the use of this circuit.
+
GND
The transistor
turns on when
the sensor
detects
something
Select a transistor
to match the relay Timer IC Timer time = RXC
Connection
to motion
sensor
Relay
Input voltage Vdd
10 µ++
10 µ
0.1 µ0.1 µ
0.1 µ
0.1 µ
0.1 µ
Out
GND
10k
3
8
2
9
10
11
13
16 1
15
14
47k
47 µ(5VDC)
C
R
5V
REG
74HC
123 etc.
++
Input voltage
GND
Vdd
10 µ
0.1 µ
Out
Connection
to motion
sensor
GND
0.1 µ0.1 µ
Relay
47 µ(5VDC)
5V
REG
Timer IC
Window
comparator
Select a
transistor
to match
the relay
The transistor
turns on when
the sensor
detects
something
Timer time = RXC
+
10 µ
0.1 µ
0.1 µ
10k
3
8
2
9
10
11
13
16 1
15
14
47k
C
R
74HC
123 etc.
3. Installation
Install the sensor so that people will be entering from the X or Y
direction shown below. If persons approch the sensor from the Z
direction, detection distance will be shortened. Y direction ❍
X direction ❍
X direction ❍
Z direction ∆
Z
MP Motion Sensor (AMN2, 3, 4)
7
DIMENSIONS mm inch General tolerance ±0.5 ±.020
1. Standard detection type
45°
±4°
45°
±4°
Vdd
OUT GND
.200±.008 dia.
P.C.D. 5.08±0.2 dia.
.433
11 .571
14.5
4.5 .177
.433 dia.
11 dia.
.374 dia.
9.5 dia.
.018±.002 dia.
0.45±0.05 dia.
Notes 3)
Molding gate
Recommended PC board pattern
Notes: 1. In order to ensure proper detection, install it with the
lens exposed at least 3.5mm .138inch.
2. As for panel mounting hole, tapering or making a
large size hole should be done.
3. The height dimension does not include the
remaining molding gate.
.138
3.5
Note 1)
5.08
±0.1
dia.
.200
±.004
dia.
Note 2)
11.0
.433
Sensing area
45°
45°
3-0.65 dia.
3-.026 dia.
+0.1
0
+.004
0
10 dia.
+0.2
0
.394 dia.
+.008
0
2. Slight motion detection type
45°
±4°
45°±4°
Vdd
OUT GND
.200±.008 dia.
P.C.D. 5.08±0.2 dia.
4.5 .177
8.9
.350
15.2
.598
12.8
.504
.018±.002 dia.
0.45±0.05 dia.
12.7 dia.
.500 dia.
11 dia.
.433 dia.
11.9 dia.
.469 dia. 7.4 dia.
.291 dia. Note 3)
Molding gate
Recommended PC board pattern
Notes: 1. In order to ensure proper detection, install it with the
lens exposed at least 2.4mm .094inch.
2. As for panel mounting hole, tapering or making a
large size hole should be done.
3. The height dimension does not include the
remaining molding gate.
Note 2)
12.8
.504
2.4
.094
Sensing area
Note 1)
12.4 dia.
+0.2
0
.488 dia.
+.008
0
5.08
±0.1
dia.
.200
±.004
dia.
3-0.65 dia.
3-.026 dia.
+0.1
0
+.004
0
45°
45°
3. Spot detection type
8.9 dia.
.350 dia.
11
.433
±0.05
0.45 dia.
±.002
.018 dia.
15.1
.594
4.5
.177
GNDOUT
Vdd
±0.2
P.C.D. 5.08 dia.
±.008
.200 dia.
±4°
45°
45°±4°
Note 2)
Molding gate
Recommended PC board pattern
9.4 dia.
+0.2
-0
.370 dia.
+.008
-0 Note 1)
45°
45°
3-0.65 dia.
±.004
.200 dia.
±0.1
5.08 dia.
-0
+0.1
3-.026 dia.
-0
+.004
Notes: 1. As for panel mounting hole, tapering or making a large
size hole should be done.
2. The height dimension does not include the remaining
molding gate.
4. 10m detection type
Note 3)
17.0 dia.
.670 dia.
17.4 dia.
.685 dia.
18.53
.730
4.5
.177
8.6
.339
11 dia.
.433 dia.
±0.05
0.45 dia.
±.002
.018 dia.
GNDOUT
Vdd
±0.2
P.C.D. 5.08 dia.
±.008
.200 dia.
±4°
45°
45°±4°
Molding
gate
Recommended PC board pattern
Notes:
1. In order to ensure proper detection,
install it with the lens exposed at least
5.6mm .220inch.
2. As for panel mounting hole, tapering or
making a large size hole should be done.
3. The height dimension does not include the
remaining molding gate.
Note 2)
.705 dia.
-0
+.008
17.9 dia.
-0
+0.2
12.9
.508
45°
45°
3-0.65 dia.
±.004
.200 dia.
±0.1
5.08 dia.
-0
+0.1
3-.026 dia.
-0
+.004
5.6
Note 1)
Sensing area
MP Motion Sensor (AMN2, 3, 4)
8
COPYRIGHT © 2006 All Rights Reserved
Specifications are subject to change without notice.
Head Office: 1048, Kadoma, Kadoma-shi, Osaka 571-8686, Japan
Telephone: +81-6-6908-1050
Facsimile: +81-6-6908-5781 ASCT1B324E 200612-0YT
Matsushita Electric Works, Ltd. Automation Controls Business Unit
These materials are printed on ECF pulp.
These materials are printed with earth-friendly vegetable-based (soybean oil) ink.
NOTES
1. Checkpoints relating to principle of
operation
MP motion sensors are passive infrared
sensors which detect changes in the
infrared rays. They may fail to detect
successfully if a heat source other than a
human being is detected or if there are
no temperature changes in or movement
of a heat source. Care must generally be
taken in the following cases. The
performance and reliability of the sensors
must be checked out under conditions of
actual use.
<1> Cases where a heat source other
than a human being is detected.
1) When a small animal enters the
detection range.
2) When the sensor is directly exposed to
sunlight, a vehicle’s headlights, an
incandescent light or some other source
of far infrared rays.
3) When the temperature inside the
detection range has changed suddenly
due to the entry of cold or warm air from
an air-conditioning or heating unit, water
vapor from a humidifier, etc.
<2> Cases where it is difficult to detect
the heat source
1) When an object made of glass, acrylic
or other subject which far infrared rays
have difficulty passing through is located
between the sensor and what is to be
detected.
2) When the heat source inside the
detection range hardly moves or when it
moves at high speed; for details on the
movement speed, refer to the section on
the performance ratings.
2. When the detection area becomes
larger
When the difference between the
ambient temperature and body
temperature is large (more than 20°C
68°F), detection may occur in isolated
areas outside the specified detection
range.
3. Other handling cautions
1) Be careful not to allow dust or dirt to
accumulate on the lens as this will
adversely affect the detection sensitivity.
2) The lens is made of a soft material
(polyethylene).
Avoid applying a load or impact since this
will deform or scratch the lens, making
proper operation impossible and causing
a deterioration in its performance.
3) The sensor may be damaged if it is
exposed to static with a voltage
exceeding ±200V. Therefore, do not
touch its terminals directly, and exercise
adequate care in the handling of the
sensor.
4) When the leads are to be soldered,
solder them by hand for less than 3
seconds at a temperature of less than
350°C 662°F at the tip of the soldering
iron. Avoid using a solder bath since this
will causing a deterioration in the
sensor’s performance.
5) Do not attempt to clean the sensor.
Cleaning fluid may enter inside the lens
area causing a deterioration in
performance.
6) When using the sensors with cables, it
is recommended that cables which are
shielded and as short as possible be
used in order to safeguard against the
effects of noise.
4. Ambient operating conditions
1) Temperature: Refer to the absolute
maximum ratings for the temperature of
each individual sensor.
2) Humidity: 15% to 85% RH (No freezing
nor condensation at low temperature)
3) Atmospheric pressure: 86 to 106 kPa
4) Because the humidity range differs
depending on the ambient temperature,
the humidity range indicated below
should be used. Continuous operation of
the switch is possible within this range,
but continuous use near the limit of the
range should be avoided.
This humidity range does not guarantee
permanent performance.
<MP Motion Sensor>
In general, degradation of electronic
devices accelerates when they are
operated under conditions of high
temperature or high humidity. Before use,
confirm the reliability of the sensors
under the expected operating conditions.
5) When the sensor (especially for ST
type) is used in noisy environments,
connect a capacitor (approx. 1µF) across
its power input terminals and sensor
output terminals.
6) The sensors do not have a water-proof
or dust-proof construction. Depending on
the ambient operating conditions, some
means of providing protection from water
and dust and preventing the formation of
ice and condensation must be provided
prior to using the sensors. If a sensor is
used with a cover installed, the initial
detection performance specifications
may not be able to be met. Confirm the
operation under the actual operating
conditions.
7) Take care to avoid exposing the
sensors to heat, vibration or impact since
malfunctioning may result.
5. Concerning external surge voltages
Since the internal circuitry may be
destroyed if an external surge voltages is
supplied, provide an element which will
absorb the surges. The levels of the
voltage surges which the sensor can
withstand is given below.
MP motion sensors: Within the supply
voltage given in the absolute maximum
ratings.
6. Concerning power supply-
superimposed noise
Use a regulated power supply as the
power supply. Otherwise, power supply-
superimposed noise may cause the
sensors to malfunction. The levels of
noise which the sensor can withstand is
given below.
MP motion sensors: ±20 V (50ns, 1µs
wide square waves)
7. Drop damage
If the sensor is dropped, damage can
occur resulting in incorrect operation. If
dropped, be sure to do a visual check of
the exterior for noticeable damage and
check the operation characteristics for
faulty operation.
8. Concerning the circuit sides
Since the circuit sides given in this
catalog are not protected in terms of
circuit design, check out the performance
and reliability of the circuits prior to using
the sensors.
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Temperature, °C °F
Tolerance range
85
15
0
+32 60
140
–20
–4
(Avoid
condensation
when used at
temperatures
higher than 0°C
32°F)
Humidity, %R.H.
(Avoid freezing when
used at temperatures
lower than 0°C 32°F)
