Home > Products > Geophysical Exploration Equipment > CDJ Series Digital Seismic Geophones
CDJ Series Digital Seismic Geophones
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Product Details
Place of Origin: | Chongqing, China | Brand Name: | GOLD | Model Number: | CDJ |
Product Description
Description
CDJ Series Digital Seismic Sensor (Geophone) are available frequencies from 1Hz to 100Hz vertical and horizontal direction, and geophone-consisted three-component geophones, borehole geophone, tomographic imaging geophone series with stable performance, high fidelity and consistent quality in oil, gas exploration and other fields.
Applications and Features
1. 1~3Hz geophones applied for deep seismic prospecting, natural earthquake surveillance and prediction, pulse and microseismic measurement for bridge and highways, etc.
2. 4~100 Hz widely used to seismic prospecting of petroleum, coal, metallurgy, defense engineering and etc.
3. High sensitivity, low-distortion, reasonable damping coefficient, good linear response, good parameter conformity, higher resolution and excellent waterproof property.
4. Small-sized, easy to install, easy to operate, large ambient temperature range, can meet the demand of multi-wave component seismic data acquisition technology
Technical Specifications ((20°C)
Table 1
Medium–High Frequency (vertical and horizontal) Geophones | |||||||
Parametertype name | CDJ-Z/P4 | CDJZ/P4.5 | CDJ-Z/P10 | CDJ-Z/P15 | CDJ—Z/P28 | CDJ-Z/P30 | CDJ—Z/P38 |
Natural Frequency (Hz) | 4±10% | 4.5±10% | 10±5% | 15±5% | 28±5% | 30±5% | 38±5% |
Sensitivity G | 0.28±5%
| 0.26±5% | |||||
Coil Resistance Rc(Ω) | 365±5% | 365±5% | 365±5% | 500±5% | 500±5% | 650±5% | |
Internal Resistance | 345±5% | 335±5% | 310±5% | 415±5% | 415±5% | 560±5% | |
Damping Coefficient Bt | 0.7±10% | 0.58±10% | 0.58±10% | 0.62±10% | 0.6±10% | 0.6±10% | |
Harmonic Distortion D | ≤ 0.2 | ||||||
Insulating Resistance | ≥ 20 | ||||||
Coil’S Maximum Displacement P-P(mm) | 2 | ||||||
Suspension Mass( g ) | 13.2
| 12.8
| 8.6 | 7.9 | |||
Working Temperature | — 40 ~ + 70 | ||||||
Weight ( g ) | 255 |
Table 2
Medium–High Frequency (vertical and horizontal) Geophones | ||||
Parametertype name | CDJ-Z/P40 | CDJ-Z/P60 | CDJ—Z/P80 | CDJ—Z/P100 |
Natural Frequency (Hz) | 40±5% | 60±5% | 80±5% | 100±5% |
Sensitivity G | 0.26 ±5% | 0.3 ±5% | 0.25 ±5% | 0.25 ±5% |
Coil Resistance Rc(Ω) | 690±5% | 1030 ±5% | 735 ±5% | 1080 ±5% |
Internal Resistance | 580 ±5% | 800 ±5% | 685 ±5% | 1020 ±5% |
Damping Coefficient Bt | 0.6 ±10% | 0.6 ±10% | 0.55 ±10% | 0.5 ±10% |
Harmonic Distortion D | ≤ 0.2 | |||
Insulating Resistance | ≥ 20 | |||
Coil’S Maximum Displacement P-P(mm) | 2 | |||
Suspension Mass( g ) | 7.9 | 5.9 | 5.5 | 5.2 |
Working Temperature | — 40 ~ + 70 | |||
Weight ( g ) | 255 |
Table 3
Low-Frequency (vertical, horizontal and three-component ) Geophones | ||||||
Parametertype name | CDJ-Z1/P1/S1 | CDJ-Z1A/P1A/S1A | ||||
Natural Frequency (Hz) | 1±10% | |||||
Coil Resistance Rc(Ω) | 3400±10% | 3500±10% | ||||
Open Circuit Sensitivity | 2±10% | 6.7±10% | ||||
Closed Circuit Sensitivity | 1.83±10% | 6.4±10% | ||||
Internal Resistance R(Ω) | 3100±10% | 3300±10% | ||||
Open Circuit Damping Coefficient Bt | 0.32±10%
| |||||
Closed Circuit amping Coefficient | 0.43±10% | |||||
Insulating Resistance | ≥ 10 | |||||
Coil’S Maximum Displacement P-P (mm) | 6 | |||||
Suspension Mass ( g ) | 770 | |||||
Working Temperature (°C) | —25 ~ +55 | |||||
Weight (K g ) | 8.15 | 3.4 | 10 | 8.15 | 3.4 | 10 |
Table 4
Low-Frequency (vertical, horizontal and three-component ) Geophones | |||
Parametertype name | CDJ—Z2A/P2A/S2A | CDJ-Z2B/P2B/S2B | CDJ-Z2C/P2C/S2S |
Natural Frequency (Hz) | 2±10% | ||
Sensitivity G | 1.2±10% | 3.5±10%% | 2±10% |
Coil Resistance Rc(Ω) | 1600±5% | 13000±5% | 6040±5% |
Internal Resistance | 1540±5% | 12800±5% | 5800±5% |
Damping Coefficient Bt | 0.7±10% | ||
Harmonic Distortion D | ≤ 0.2 | ||
Insulating Resistance | ≥ 20 | ||
Coil’S Maximum Displacement P-P(mm) | 3 | ||
Suspension Mass( g ) | 60 | ||
Working Temperature | —25 ~ +55 | ||
Geophone Element Weight (K g ) | 0.25 |
Table 5
Low-Frequency (vertical, horizontal and three-component ) Geophones | |||
Parametertype name | CDJ—Z2.5A/P2.5A/S2.5A | CDJ-Z2.5B/P2.5B/S2.5C | CDJ-Z2.5C/P2.5C/S2.5S |
Natural Frequency (Hz) | 2.5±10% | ||
Sensitivity G | 1.2±10% | 3.5±10% | 2±10% |
Coil Resistance Rc(Ω) | 1600±5% | 13000±5% | 6040±5% |
Internal Resistance | 1540±5% | 12800±5% | 5650±5% |
Damping Coefficient Bt | 0.7±10% | ||
Harmonic Distortion D | ≤ 0.2 | ||
Insulating Resistance | ≥ 20 | ||
Coil’S Maximum Displacement P-P(mm) | 3 | ||
Suspension Mass( g ) | 60 | ||
Working Temperature | —25 ~ +55 | ||
Geophone Element Weight (K g ) | 0.25 |
Table 6
Low-Frequency (vertical, horizontal and three-component ) Geophones | |||
Parametertype name | CDJ—Z3A/P3A/S3A | CDJ-Z3B/P3B/S3B | CDJ-Z3C/P3C/S3S |
Natural Frequency (Hz) | 3±10% | ||
Sensitivity G | 1.2±10% | 3.5±10% | 3±10% |
Coil Resistance Rc(Ω) | 1600±5% | 13000±5% | 6040±5% |
Internal Resistance | 1540±5% | 12800±5% | 5650±5% |
Damping Coefficient Bt | 0.7±10% | ||
Harmonic Distortion D | ≤ 0.2 | ||
Insulating Resistance | ≥ 20 | ||
Coil’S Maximum Displacement P-P(mm) | 3 | ||
Suspension Mass( g ) | 60 | ||
Working Temperature | —25 ~ +55 | ||
Geophone Element Weight (K g ) | | 0.25 |
|
CHONGQING GOLD MECHANICAL & ELECTRICAL EQUIPMENT CO.,LTD
Established in 2009,Gold is a high -tech enterprise specializing in design,manufacture and sale of geological instrument.
Gold's products are manufactured stricity in accordance with industrial standard and have passed through quality and technical standard evaluation as well as quality inspection. In 2010,Gold passed through ISO9001 International Quality System Certification.In July 2010,Gold obtained provincial certification of high-tech enterprise,becoming an excellent supplier with outstanding product quality in China.
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- Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.
- Contact nameMichelle Li
- Phone86-23-62794421
- AddressNo. 9-10, Jintai Mansion, 23 Nanping West Road
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