Difference between revisions of "CH HPGe Log"
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| − | + | ='''Thermistor Reading Log'''= | |
Revision as of 20:18, 16 December 2021
How to Read HPGe Thermistor
Make sure detector high voltage is turned off
Unplug pre-amp power
Unscrew detector electronics housing (8 screws total)
Slide electronics housing towards the crystal end of the detector
Turn multimeter to resistance (Ω) setting
Measure resistance across the white/black wires the exit the white nylon 4 pinned terminal
Check resistance in tables below for corresponding detector temperature
Resistance and Corresponding Temperatures
100-109Ω
| Thermistor Resistance (Ω) | Detector Temperature (Κ) |
|---|---|
| 100 | 76.5780 |
| 101 | 77.0421 |
| 102 | 77.5063 |
| 103 | 77.9706 |
| 104 | 78.4352 |
| 105 | 78.9000 |
| 106 | 79.3649 |
| 107 | 79.8300 |
| 108 | 80.2952 |
| 109 | 80.7607 |
110-119Ω
| Thermistor Resistance (Ω) | Detector Temperature (Κ) |
|---|---|
| 110 | 81.2263 |
| 111 | 81.6921 |
| 112 | 82.1581 |
| 113 | 82.6242 |
| 114 | 83.0906 |
| 115 | 83.5571 |
| 116 | 84.0238 |
| 117 | 84.4906 |
| 118 | 84.9576 |
| 119 | 85.4248 |
120-129Ω
| Thermistor Resistance (Ω) | Detector Temperature (Κ) |
|---|---|
| 120 | 85.8922 |
| 121 | 86.3597 |
| 122 | 86.8275 |
| 123 | 87.2954 |
| 124 | 87.7634 |
| 125 | 88.2317 |
| 126 | 88.7001 |
| 127 | 89.1686 |
| 128 | 89.6374 |
| 129 | 90.1063 |
130-139Ω
| Thermistor Resistance (Ω) | Detector Temperature (Κ) |
|---|---|
| 130 | 90.5754 |
| 131 | 91.0446 |
| 132 | 91.5141 |
| 133 | 91.9837 |
| 134 | 92.4524 |
| 135 | 92.9234 |
| 136 | 93.3935 |
| 137 | 93.8637 |
| 138 | 94.3342 |
| 139 | 94.8048 |
140-149Ω
| Thermistor Resistance (Ω) | Detector Temperature (Κ) |
|---|---|
| 140 | 95.2755 |
| 141 | 95.7465 |
| 142 | 96.2176 |
| 143 | 96.6888 |
| 144 | 97.1603 |
| 145 | 97.6319 |
| 146 | 98.1036 |
| 147 | 98.5756 |
| 148 | 99.0477 |
| 149 | 99.5199 |
150-159Ω
| Thermistor Resistance (Ω) | Detector Temperature (Κ) |
|---|---|
| 150 | 99.9923 |
| 151 | 100.4649 |
| 152 | 100.9377 |
| 153 | 101.4106 |
| 154 | 101.8836 |
| 155 | 102.3569 |
| 156 | 102.8303 |
| 157 | 103.3038 |
| 158 | 103.7775 |
| 159 | 104.2514 |
160-169Ω
| Thermistor Resistance (Ω) | Detector Temperature (Κ) |
|---|---|
| 160 | 104.7254 |
| 161 | 105.1996 |
| 162 | 105.6740 |
| 163 | 106.1485 |
| 164 | 106.6232 |
| 165 | 107.0980 |
| 166 | 107.5730 |
| 167 | 108.0482 |
| 168 | 108.5235 |
| 169 | 108.9989 |
170-179Ω
| Thermistor Resistance (Ω) | Detector Temperature (Κ) |
|---|---|
| 170 | 109.4746 |
| 171 | 109.9503 |
| 172 | 110.4263 |
| 173 | 110.9024 |
| 174 | 111.3786 |
| 175 | 111.8550 |
| 176 | 112.3316 |
| 177 | 112.8083 |
| 178 | 113.2851 |
| 179 | 113.7622 |
180-189Ω
| Thermistor Resistance (Ω) | Detector Temperature (Κ) |
|---|---|
| 180 | 114.2393 |
| 181 | 114.7167 |
| 182 | 115.1941 |
| 183 | 115.6718 |
| 184 | 116.1496 |
| 185 | 116.6275 |
| 186 | 117.1056 |
| 187 | 117.5838 |
| 188 | 118.0622 |
| 189 | 118.5408 |
190-199Ω
| Thermistor Resistance (Ω) | Detector Temperature (Κ) |
|---|---|
| 190 | 119.0194 |
| 191 | 119.4983 |
| 192 | 119.9773 |
| 193 | 120.4564 |
| 194 | 120.9357 |
| 195 | 121.4152 |
| 196 | 121.8947 |
| 197 | 122.3745 |
| 198 | 122.8544 |
| 199 | 123.3344 |