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| Slide electronics housing towards the crystal end of the detector | | Slide electronics housing towards the crystal end of the detector |
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| | [[File:CH HPGe Electronics Casing Slide.jpeg|thumb|none|Slide the sectioned area in the direction of the arrow to expose the thermistor terminals]] |
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| Turn multimeter to ''resistance (Ω)'' setting | | Turn multimeter to ''resistance (Ω)'' setting |
Revision as of 20:13, 16 December 2021
How to Read HPGe Thermistor
Make sure detector high voltage is turned off
Unplug pre-amp power
Unscrew detector electronics housing
Arrows pointing to screws on detector electronics housing
Slide electronics housing towards the crystal end of the detector
Slide the sectioned area in the direction of the arrow to expose the thermistor terminals
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
|
PAS HPGe Detector
