Sensor natural gamma radiation
Intended USE
- linking in a geological section
- lithological division of the section
- calculation of the clay content coefficient
FEATURES AND BENEFITS
- high-precision scintillation sensor with NaI crystal
- reinforced construction with increased vibration resistance and reliability
- high sensor sensitivity
APPLICATIONS IN DOWNHOLE EQUIPMENT
- downhole telemetry system
- Nadolny module
- rotary-controlled system
Technical Specifications
|
Input voltage |
20÷30V |
|
Input current |
8÷20mA, 8mA at 28V |
|
The output signal |
5V negative pulse |
|
X-and Y-axis impact resistance |
1000g / 0.5 MS 1/2 sinusoidal signal |
|
The resistance in the Z-axis |
500g / 0.5 MS 1/2 sinusoidal signal |
|
Vibration resistance (on 3 axes) |
30÷200 Hz, 20g |
|
Operating temperature |
0÷175°C |
Model range
|
Diameter |
Length |
Measuring range |
Accuracy |
Sensitivity |
|
19.0 mm |
349.0 mm |
1000API |
5% |
1.0 Imp / sec / API |
|
26.7 mm |
422.5 mm |
1000API |
5% |
1.9 Imp / sec / API |
|
34.5 mm |
340.0 mm |
1000API |
5% |
2.2 Imp / sec / API |