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SMT200 Geophone Tester
SMT200 Geophone Tester

Introduction:
The SMT-200 is the latest addition to the Sensor range of geophone testing equipment. Due to the
advanced technology used in the design it has all the features of previous generation testing
equipment in a smaller and more compact unit. Its easy to use menu system allows the SMT-200 to be
quickly configured to test virtually any type of geophone string. Internal automatic calibration
eliminates the need for regular maintenance.

Specifications:

Natural Frequency
Range 1 to 100Hz
Accuracy < 8Hz ± 2% of measured value or 0.1Hz whichever is the greater
8Hz - 14Hz ± 0.5% of measured value or 0.05Hz whichever is the greater
>14Hz ± 1% of measured value
Display Resolution 0.01Hz
Coil Resistance
Range 20 to 9999 ohm
Accuracy ± 1% or 1 ohm whichever is the greater
Display Resolution 1 ohm or 0.1 ohm when measured value is less than 100 ohm
Damping
Range 0.100 to 0.850
Accuracy ± 1% of measured value
Display Resolution 0.001
Sensitivity
Range 0 to 999 V/m/s
Accuracy ± 2% Calculated from other measured values
Display Resolution 0.1 V/m/s
Harmonic Distortion
Range 0 to 20 %
Accuracy ± 10% of measured value or 0.01% whichever is greater
Display Resolution 0.01%
Dynamic Resistance
Range 20 to 99999 ohm
Accuracy Not specified
Leakage Test
Range 1M to 100M ohm (measured at 5V max)
Accuracy ± 5% of measured value (after calibration)
Test Storage
Capacity 2 MB FLASH disk typically storing 16000 records
Actual figure will depend on tests selected and tags stored
Physical Characteristics
Dimensions (Approx.) 270 x 110 x 60 mm (10.63 x 4.33 x 2.36 inches)
Weight (Approx.) 1.5 kg (3.30 lbs.)
Environmental Specifications
Operating temperature range -20 to 60 °C ( -4 to 140 °F)
Storage temperature range -40 to 70 ° C (-40 to 158 °F)
NOTE: All capabilities are measured at 20 °C.

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