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 This Sensor Scientific Duct Sensor with Handy Box enables accurate temperature measuring in multiple applications such as mechanical rooms, ducts, pipes and immersion installations. The assembly consists of 304 stainless steel tube housing and handy box. Operating temperature range is from - 10°C to +110°C (+10°F to +230°F) Duct Sensor is also available in RTD (Resistance Temperature Detector) form with resistance values 100, 500, 1,000 & 2,000 Ohms at 0°C.
 Features - High Accuaracy NTC Thermistor
- Stainless Steel Probe (4”,6”,8”,12” & 18”)
- Hand Box
- 8 FT Zipcord Lead PVC 22 AWG
Specifications - High Accuracy +/- 0.2ºC ( 0 to 70ºC)
- Standard Accuracy +/- 0.5ºC ( 0 to 70ºC)
- Industrial Accuracy +/- 1ºC ( 0 to 70ºC)
- Dissipation Constant 3 mW/ºC
Standard Configuration: Sensor in stainless steel tube and wall mountable handy box.
Optional Configuration: Sensor in stainless steel tube, handy box and mounting bracket. Wiring: 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.
Housing: Select the appropriate length of stainless steel tube.
For example: 10K Ohm, 0.2°C accuracy /8" long tube -Model No. HVDB-WM103C/8 REFER TO THE HVAC EQUIPMENT AND SYSTEMS COMPATIBILITY CHART. RESISTANCE
@ 25 Deg C | ACCURACY | MODEL/LENGTH | ACCURACY | MODEL/LENGTH | ACCURACY | MODEL/LENGTH | | 2,000 Ohms | +/-0.2ºC | HVDB-WM202C/x | +/-0.5ºC | HVDB-WN202C/x | +/-1ºC | HVDB-WP202C/x | | 3,000 Ohms | +/-0.2ºC | HVDB-WM302C/x | +/-0.5ºC | HVDB-WN302C/x | +/-1ºC | HVDB-WP302C/x | | 4,000 Ohms | +/-0.2ºC | HVDB-WM402C/x | +/-0.5ºC | HVDB-WN402C/x | +/-1ºC | HVDB-WP402C/x | | 5,000 Ohms | +/-0.2ºC | HVDB-WM502C/x | +/-0.5ºC | HVDB-WN502C/x | +/-1ºC | HVDB-WP502C/x | | 10,000 Ohms | +/-0.2ºC | HVDB-WM103Cx/ | +/-0.5ºC | HVDB-WN103C/x | +/-1ºC | HVDB-WP103C/x | | 30,000 Ohms | +/-0.2ºC | HVDB-WM303D/x | +/-0.5ºC | HVDB-WN303D/x | +/-1ºC | HVDB-WP303D/x | | 50,000 Ohms | +/-0.2ºC | HVDB-WM503D/x | +/-0.5ºC | HVDB-WN503D/x | +/-1ºC | HVDB-WP503D/x | | 100,000 Ohms | +/-0.2ºC | HVDB-WM104D/x | +/-0.5ºC | HVDB-WN104D/x | +/-1ºC | HVDB-WP104D/x | Standard Lead is Zipcord 22 AWG, 8 feet long. Plenum-rated leads available upon request. Inquire about RTD element, custom specifications, resistance or lead length. NTC Thermistor Characteristics: |  | | 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. | | HVDB-WM302C | | HVDB-WM103C | | | HVDB-WM104D | | deg. C | OHM | deg. C | OHM | deg. C | OHM | -10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110 | 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
895
746
624
525
444
376
321
274
236
203
176
153 | -10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110 | 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
2,986
2,488
2,083
1,752
1,480
1,256
1,071
916
787
679
587
510 | -10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110 | 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
27,479
22,592
18,668
15,500
12,930
10,835
9,119
7,707
6,540
5,571
4,764
4,089 | |
