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Address: Room 311, No.1211, Mudanjiang Road, Baoshan district, Shanghai
Contact name:Qiu
Ohmalloy Material Co.,Ltd |
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Polyesterimide Coated 44AWG K T Type Thermocouple Enameled Chromel Alumel Constantan Wire For Medical Use
Type T (Copper vs Constantan) is used or service in oxidizing, inert or reducing atmospheres or in vacuum. It is highly resistant to corrosion from atmospheric moisture and condensation and exhibits high stability at low temperatures. It is the only type with limits of error guaranteed for cryogenic temperatures.
TYPE K (CHROMEL vs ALUMEL ) is used in oxidizing, inert or dry reducing atmospheres. Exposure to vacuum limited to short time periods. Must be protected from sulfurous and marginally oxidizing atmospheres. Reliable and accurate at high temperatures.
| Thermocouple Type | Alloy Code | Nominal Chemical Composition (%) | Recommend Measuring Temperature | |||||
| Cu | Ni | Cr | Si | Al | Mn | |||
| Type K | KP(Chromel) | / | 90 | 10 | / | / | / | 0-1200℃ |
| KN(Alumel) | / | 97 | / | 1-2 | 1-1.5 | 0.5-1.5 | ||
| Type T | TP(Copper) | 100 | / | / | / | / | / | -200-400℃ |
| TN(Constantan) | 55 | 45 | / | / | / | / | ||
Type of insulation
| Insulation-enameled Name | Thermal Level℃ (working time 2000h) | Code Name | GB Code | ANSI. TYPE |
| Polyurethane enameled wire | 130 | UEW | QA | MW75C |
| Polyester enameled wire | 155 | PEW | QZ | MW5C |
| Polyester-imide enameled wire | 180 | EIW | QZY | MW30C |
| Polyester-imide and polyamide-imide double coated enameled wire | 200 | EIWH (DFWF) | QZY/XY | MW35C |
| Polyamide-imide enameled wire | 220 | AIW | QXY | MW81C |
Color of enameled insulation:
Red,Green,Yellow,Black,Blue,Brown,Nature etc.
Style of Supply
| Alloys Name | Type | Dimension | ||
| Enameled-W | Wire | D=0.018mm~3mm | ||
| Enameled-R | Ribbon | W=0.4~24 | T=0.01~0.2mm | |
Dimension of insulation
D mm | Min thickness of insulation | Max OD of Enameled | ||
| Ⅰ | Ⅱ | Ⅰ | Ⅱ | |
| 0.02 | 0.005 | 0.009 | 0.09 | 0.036 |
| 0.022 | 0.005 | 0.019 | 0.032 | 0.038 |
| 0.025 | 0.006 | 0.010 | 0.036 | 0.042 |
| 0.028 | 0.006 | 0.010 | 0.039 | 0.045 |
| 0.030 | 0.006 | 0.011 | 0.042 | 0.048 |
| 0.032 | 0.006 | 0.011 | 0.044 | 0.050 |
| 0.036 | 0.007 | 0.012 | 0.049 | 0.055 |
| 0.040 | 0.007 | 0.012 | 0.053 | 0.060 |
| 0.045 | 0.008 | 0.013 | 0.059 | 0.066 |
| 0.050 | 0.008 | 0.014 | 0.064 | 0.072 |
| 0.056 | 0.009 | 0.015 | 0.071 | 0.079 |
| 0.060 | 0.009 | 0.016 | 0.076 | 0.084 |
| 0.063 | 0.009 | 0.016 | 0.080 | 0.088 |
| 0.071 | 0.010 | 0.017 | 0.089 | 0.097 |
| 0.080 | 0.011 | 0.018 | 0.099 | 0.108 |
| 0.090 | 0.012 | 0.019 | 0.111 | 0.120 |
| 0.100 | 0.012 | 0.021 | 0.122 | 0.132 |
| 0.112 | 0.012 | 0.021 | 0.135 | 0.146 |
| 0.125 | 0.014 | 0.023 | 0.150 | 0.161 |
| 0.140 | 0.015 | 0.024 | 0.166 | 0.179 |
| 0.150 | 0.016 | 0.025 | 0.177 | 0.191 |
| 0.160 | 0.017 | 0.028 | 0.188 | 0.202 |
| 0.180 | 0.018 | 0.028 | 0.210 | 0.225 |
| 0.200 | 0.019 | 0.030 | 0.231 | 0.248 |
| 0.224 | 0.021 | 0.032 | 0.258 | 0.275 |
| 0.250 | 0.022 | 0.034 | 0.285 | 0.304 |
