Active Member
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[China]
Address: Bld. 15,Yanhe East Road,Xiangdong Village, Dalingshan Town,Dongguan 523833,Guangdong,China
Contact name:Sophia
Dongguan Hongqing Electronic Technology Co., Ltd1 |
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IP68 TPE Injection 6x15mm NTC Micro Temperature Sensor 10KΩ±1% B2550=3950±1% With B Type AWG26# Flat Cable 2 Meter
Features
Di-electric strength: 3.75kVAC
Primary insulation PP, secondary insulation
TPE Cable length: 200mm to 10metres (others available on request)
26AWG double insulated TPE cable
IP 68 Rated
Insulation Resistance 100MΩ @ 500VDC
Available in a variety of connector types
Customized tolerances and resistances available on request
Temperature range -20ºC to +125ºC
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Dimension Unit:mm
Material List
| NO | Material Name | Item/PN |
| 1. | Element-NTC Thermistor | R25=10KΩ±1% B25/50=3950±1% |
| 2. | Coating | TPE |
| 3. | Lead Wire | TPE AWG26# B Type Flat Wire (Black) |
| 4. | Terminal | Stripped and tinned |
PERFORMANCE SPECS
| NO | Item | Sign | Test Conditions | Min. | Normal value | Max. | Unit |
| 1. | Resistance at 25℃ | R25 | Ta=25±0.05℃ PT≦0.1mw | 9.9 | 10.0 | 10.1 | kΩ |
| 2. | B Value | B25/50 | 3910.5 | 3950.0 | 3989.5 | k | |
| 3. | Dissipation factor | σ | Ta=25±0.5℃ | 0.7 | mW/℃ | ||
| 4. | Time constant | τ | Ta=25±0.5℃ | <15 | sec | ||
| 5. | Operating temp.range | / | / | -20 | / | +125 | ℃ |
| 6 | Insulation resistance | / | 500V DC | >100 | MΩ | ||
| 7. | Withstand voltage test | / | 1000V AC,1mA, 1min | No Abnormalities | Sec | ||
Application
Refrigeration and HVAC applications
Industrial Process Control
Immersion Applications
ETC & ERC controllers
Overview
This assembly consists of a NTC thermistor soldered to a TPE extension cable. The sensor and the extension cable are moulded together as one hot vulcanised unit to give a high degree of protection against water/moisture ingress. The sensor is protected from mechanical damage by the stainless steel housing.
A range of double-insulated, fully encapsulated sensors offering IP68 waterproof protection. Suitable for refrigeration, air-conditioning, solar and underfloor heating, these sensors ensure absolute integrity against moisture ingress.
Reliability Test
| NO | Item | Technical requirements | Test conditions and method |
| 1. | High temp. Test | DR/R25£±5%
DB/B£±3%
No change with withstand voltage, Insalution performance. Appearance without damage. | 100±5℃,power on 120±12 hrs,DC0.2mA |
| 2. | Low temp. tes | -30±5℃,power on 120±12 hrs,DC0.2mA | |
| 3. | Endure moisture test | Store in environment 45±2℃,90%-95%RH for 120±12 hrs | |
| 4. | Temp. cycle test | 5℃ water×10min→90℃ water ×100min/cycles, 50 cycles | |
| 5 | Load electrify test | Power on DC1mA, 100hrs in room temp. and humid. | |
| 6 | Drop test | Free fall into concrete floor from height 1M ,5 cycle. | |
| 7 | Vibration test | Frequency range:10～55HZ Total amplitude 1.52mm 1 cycle 1 min ,direction and time X,Y,Z axs 2Hr each. | |
| 8 | Bending test | Bend 90°binding site wire and epoxy resin.Back and forth 10 times | |
| 9 | Tensile tests | Put 2 kg of force lasts 1 min |
Mounting & Other Options
A range of stainless steel housings can be added to increase sensor robustness or provide various mounting options. Different colour versions are also available.
R-T Table
| R－T CONVERSION TABLE | |||||||
| R25=10KΩ±1% B25/50=3950K±1% | |||||||
| T/℃ | Rcen | T/℃ | Rcen | T/℃ | Rcen | T/℃ | Rcen |
| -40 | 253.2 | 264.3 | 275.8 | -2 | 34.68 | 35.48 | 36.29 |
| -39 | 239.8 | 250.2 | 260.9 | -1 | 33.01 | 33.75 | 34.51 |
| -38 | 227.1 | 236.8 | 246.9 | 0 | 31.43 | 32.12 | 32.82 |
| -37 | 215.1 | 224.2 | 233.6 | 1 | 29.93 | 30.57 | 31.22 |
| -36 | 203.8 | 212.3 | 221.0 | 2 | 28.50 | 29.10 | 29.71 |
| -35 | 193.1 | 201.0 | 209.2 | 3 | 27.15 | 27.71 | 28.27 |
| -34 | 182.9 | 190.3 | 198.0 | 4 | 25.88 | 26.39 | 26.92 |
| -33 | 173.4 | 180.2 | 187.4 | 5 | 24.66 | 25.14 | 25.63 |
| -32 | 164.3 | 170.7 | 177.4 | 6 | 23.51 | 23.96 | 24.41 |
| -31 | 155.7 | 161.7 | 167.9 | 7 | 22.42 | 22.84 | 23.26 |
| -30 | 147.6 | 153.2 | 159.0 | 8 | 21.39 | 21.77 | 22.16 |
| -29 | 139.9 | 145.1 | 150.6 | 9 | 20.40 | 20.76 | 21.12 |
| -28 | 132.6 | 137.5 | 142.6 | 10 | 19.47 | 19.80 | 20.14 |
| -27 | 125.8 | 130.3 | 135.1 | 11 | 18.58 | 18.89 | 19.20 |
| -26 | 119.3 | 123.5 | 127.9 | 12 | 17.74 | 18.02 | 18.31 |
| -25 | 113.1 | 117.1 | 121.2 | 13 | 16.94 | 17.20 | 17.47 |
| -24 | 107.3 | 111.0 | 114.9 | 14 | 16.18 | 16.42 | 16.67 |
| -23 | 101.8 | 105.3 | 108.8 | 15 | 15.46 | 15.68 | 15.91 |
| -22 | 96.56 | 99.80 | 103.1 | 16 | 14.77 | 14.98 | 15.19 |
| -21 | 91.62 | 94.65 | 97.77 | 17 | 14.11 | 14.31 | 14.50 |
| -20 | 86.95 | 89.78 | 92.69 | 18 | 13.49 | 13.67 | 13.85 |
| -19 | 82.49 | 85.13 | 87.84 | 19 | 12.90 | 13.07 | 13.23 |
| -18 | 78.28 | 80.74 | 83.27 | 20 | 12.34 | 12.49 | 12.64 |
| -17 | 74.30 | 76.59 | 78.95 | 21 | 11.80 | 11.94 | 12.08 |
| -16 | 70.53 | 72.67 | 74.87 | 22 | 11.29 | 11.42 | 11.55 |
| -15 | 66.96 | 68.96 | 71.01 | 23 | 10.80 | 10.92 | 11.04 |
| -14 | 63.59 | 65.45 | 67.36 | 24 | 10.34 | 10.45 | 10.56 |
| -13 | 60.40 | 62.13 | 63.91 | 25 | 9.900 | 10.00 | 10.10 |
| -12 | 57.38 | 58.99 | 60.65 | 26 | 9.474 | 9.573 | 9.673 |
| -11 | 54.51 | 56.02 | 57.57 | 27 | 9.068 | 9.167 | 9.267 |
| -10 | 51.80 | 53.21 | 54.65 | 28 | 8.681 | 8.780 | 8.879 |
| -9 | 49.24 | 50.55 | 51.89 | 29 | 8.313 | 8.411 | 8.510 |
| -8 | 46.81 | 48.03 | 49.28 | 30 | 7.962 | 8.060 | 8.158 |
| -7 | 44.51 | 45.64 | 46.80 | 31 | 7.628 | 7.725 | 7.822 |
| -6 | 42.32 | 43.38 | 44.47 | 32 | 7.309 | 7.405 | 7.502 |
| -5 | 40.26 | 41.24 | 42.25 | 33 | 7.005 | 7.100 | 7.196 |
| -4 | 38.30 | 39.22 | 40.15 | 34 | 6.716 | 6.809 | 6.904 |
| -3 | 36.44 | 37.30 | 38.17 | 35 | 6.439 | 6.532 | 6.626 |
| R－T CONVERSION TABLE | |||||||
| R25=10KΩ±1% B25/50=3950K±1% | |||||||
| T/℃ | Rcen | T/℃ | Rcen | T/℃ | Rcen | T/℃ | Rcen |
| 36 | 6.176 | 6.267 | 6.360 | 74 | 1.452 | 1.495 | 1.539 |
| 37 | 5.924 | 6.014 | 6.106 | 75 | 1.403 | 1.445 | 1.488 |
| 38 | 5.684 | 5.773 | 5.863 | 76 | 1.357 | 1.398 | 1.440 |
| 39 | 5.455 | 5.543 | 5.631 | 77 | 1.312 | 1.352 | 1.393 |
| 40 | 5.236 | 5.322 | 5.410 | 78 | 1.269 | 1.308 | 1.348 |
| 41 | 5.027 | 5.112 | 5.198 | 79 | 1.228 | 1.266 | 1.305 |
| 42 | 4.827 | 4.911 | 4.995 | 80 | 1.188 | 1.225 | 1.264 |
| 43 | 4.636 | 4.719 | 4.802 | 81 | 1.150 | 1.186 | 1.224 |
| 44 | 4.454 | 4.535 | 4.617 | 82 | 1.113 | 1.149 | 1.185 |
| 45 | 4.280 | 4.359 | 4.439 | 83 | 1.077 | 1.112 | 1.148 |
| 46 | 4.113 | 4.191 | 4.270 | 84 | 1.043 | 1.078 | 1.113 |
| 47 | 3.954 | 4.030 | 4.108 | 85 | 1.010 | 1.044 | 1.079 |
| 48 | 3.801 | 3.876 | 3.952 | 86 | 0.9805 | 1.013 | 1.047 |
| 49 | 3.655 | 3.729 | 3.804 | 87 | 0.9516 | 0.9838 | 1.017 |
| 50 | 3.516 | 3.588 | 3.661 | 88 | 0.9236 | 0.9551 | 0.9876 |
| 51 | 3.379 | 3.450 | 3.521 | 89 | 0.8965 | 0.9274 | 0.9592 |
| 52 | 3.248 | 3.318 | 3.388 | 90 | 0.8703 | 0.9005 | 0.9317 |
| 53 | 3.124 | 3.191 | 3.260 | 91 | 0.8450 | 0.8746 | 0.9051 |
| 54 | 3.004 | 3.071 | 3.138 | 92 | 0.8205 | 0.8494 | 0.8793 |
| 55 | 2.891 | 2.956 | 3.022 | 93 | 0.7967 | 0.8251 | 0.8544 |
| 56 | 2.782 | 2.845 | 2.910 | 94 | 0.7737 | 0.8015 | 0.8302 |
| 57 | 2.678 | 2.740 | 2.803 | 95 | 0.7515 | 0.7787 | 0.8068 |
| 58 | 2.578 | 2.639 | 2.701 | 96 | 0.7300 | 0.7566 | 0.7842 |
| 59 | 2.483 | 2.542 | 2.603 | 97 | 0.7091 | 0.7352 | 0.7622 |
| 60 | 2.392 | 2.450 | 2.510 | 98 | 0.6889 | 0.7145 | 0.7410 |
| 61 | 2.304 | 2.362 | 2.420 | 99 | 0.6694 | 0.6944 | 0.7203 |
| 62 | 2.221 | 2.277 | 2.334 | 100 | 0.6505 | 0.6750 | 0.7004 |
| 63 | 2.141 | 2.196 | 2.251 | 101 | 0.6316 | 0.6556 | 0.6804 |
| 64 | 2.064 | 2.118 | 2.172 | 102 | 0.6133 | 0.6367 | 0.6611 |
| 65 | 1.991 | 2.043 | 2.097 | 103 | 0.5954 | 0.6184 | 0.6422 |
| 66 | 1.921 | 1.972 | 2.024 | 104 | 0.5782 | 0.6006 | 0.6240 |
| 67 | 1.853 | 1.903 | 1.954 | 105 | 0.5614 | 0.5834 | 0.6062 |
| 68 | 1.788 | 1.837 | 1.888 | 106 | 0.5451 | 0.5666 | 0.5889 |
| 69 | 1.726 | 1.774 | 1.823 | 107 | 0.5292 | 0.5503 | 0.5722 |
| 70 | 1.667 | 1.714 | 1.762 | 108 | 0.5139 | 0.5345 | 0.5559 |
| 71 | 1.610 | 1.656 | 1.703 | 109 | 0.4989 | 0.5191 | 0.5401 |
| 72 | 1.555 | 1.600 | 1.646 | 110 | 0.4845 | 0.5042 | 0.5247 |
| 73 | 1.502 | 1.546 | 1.591 | ||||
