Microseismic geophone is mainly divided into shallow well type microseismic geophone (VHL5) with aluminium alloy shell and explosion-proof microseismic geophone (MA1, MA3) with stainless steel shell.
The corresponding waterproof treatment of the metal shell makes it meet the requirements of shock resistance and waterproof. It can be used in harsh working environment and can be easily reused.
Main specifications and technical indicators:
Product specifications:
Shallow well type microseismic detector (VHL5)
Diameter: 72 mm
Length: 230mm
Cable diameter: 7. 6 mm
Measuring depth: ≤50m
Component: XYZ
Explosion-proof single-component detector (MA1)
Diameter: 29 mm
Height: 80 mm
Cable diameter: 7. 6 mm
Measuring depth: ≤50m
Explosion-proof 3-component detector (MA3)
Diameter: 50 mm
Height: 160 mm
Cable diameter: 7. 6 mm
Measuring depth: 50m
Component: XYZ
Explosion-proof three-component geophone (MA3-1)
Diameter: 61mm
Height: 282mm
Cable diameter: 7.8mm
Depth of measurement: ≤100m
Component: XYZ
Type | VAS-100/4.5 | VAS-90/10 |
Frequency(Hz) | 4.5±0.5 | 10±3% |
Resistance(Ω) | 3600±5% | 3200±5% |
Sensitivity(v/m/s) | 100±5% | 90±3% |
Volume(mm) | Φ25.4*36 | Φ25.4*32 |
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