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Wall Mount Surface Sensor Print E-mail

The Sensor Scientific Wall Mount sensor enables accurate indoor temperature measurement without the influence of cold drafts, i.e., refrigerator or freezer doors. The sensor assembly consists of an aluminum plate and NTC thermistor. The thermistor is attached to the mounting plate and the assembly is insulated. Operating range of this remote sensor is - 20°C to+50°C (-4°F to +122°F). This sensor is for indoor use only and should be mounted approximately five feet above the floor. The sensor can be mounted to a wall or to a standard handy box. The WALL MOUNT Surface Sensor has a 8 feet long lead, 22 AWG zipcord PVC. Custom lead lengths are available upon request.

Photo of HVAC Wall Mount SensorFeatures:

  • High Accuaracy NTC Thermistor
  • Vinyl Housing
  • 8 FT Zipcord Lead PVC 22 AWG

Specifications:

  • High Accuracy +/-0.2ºC
  • Standard Accuracy +/-0.5ºC
  • Industrial Accuracy +/-1ºC

Wiring: The controller system manual should be consulted for wiring diagram. All electrical connections and wiring must comply with the National Electrical Code and with local electrical codes.

Ordering Information

Thermistor: Select the appropriate type of thermistor to suit your instrumentation. Minimum order 10 pieces.

REFER TO THE HVAC EQUIPMENT AND SYSTEMS COMPATIBILITY CHART.

RESISTANCE
@ 25 Deg C		 ACCURACY MODEL ACCURACY MODEL ACCURACY MODEL
2,000 Ohms +/-0.2ºC HVWM-WM202C +/-0.5ºC HVWM-WN202C +/-1ºC HVWM-WP202C
3,000 Ohms +/-0.2ºC HVWM-WM302C +/-0.5ºC HVWM-WN302C +/-1ºC HVWM-WP302C
4,000 Ohms +/-0.2ºC HVWM-WM402C +/-0.5ºC HVWM-WN402C +/-1ºC HVWM-WP402C
5,000 Ohms +/-0.2ºC HVWM-WM502C +/-0.5ºC HVWM-WN502C +/-1ºC HVWM-WP502C
10,000 Ohms +/-0.2ºC HVWM-WM103C +/-0.5ºC HVWM-WN103C +/-1ºC HVWM-WP103C
30,000 Ohms +/-0.2ºC HVWM-WM303D +/-0.5ºC HVWM-WN303D +/-1ºC HVWM-WP303D
50,000 Ohms +/-0.2ºC HVWM-WM503D +/-0.5ºC HVWM-WN503D +/-1ºC HVWM-WP503D
100,000 Ohms +/-0.2ºC HVWM-WM104D +/-0.5ºC HVWM-WN104D +/-1ºC HVWM-WP104D

NTC Thermistor Characteristics:

 Diagram of HVAC Wall Mount Sensor
Curve "C" for 1,000 to 25,000 ohms @ 25 deg.C

Curve "D" for 25,000 to 100,000 ohms @ 25 deg.C



Other Curves and Characteristics are Available.
HVWM-WM302C   HVWM-WM103C   HVWM-WM104D
  deg. C  OHM deg. C OHM deg. C OHM
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50 		29,101
21,859
16,585
12,693
9,795
7,619
5,972
4,715
3,748
3,000
2,417
1,959
1,597
1,310
1,080		   -20 
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50 		97,011
72,912
55,304
42,316
32,650
25,394
19,903
15,713
12,493
10,000
8,056
6,531
5,325
4,367
3,601		   -20 
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50 		1,106,517
819,375
612,342
461,661
351,000
269,026
207,798
161,700
126,727
100,000
79,430
63,491
51,059
41,302
33,598
 

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Sensor Scientific Inc., 6 Kings Bridge Road, Fairfield, NJ 07004, USA
Copyright © 2010 Sensor Scientific Inc. All Rights Reserved.

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