MODEL 3335C

MODEL 3335C

MODEL 3335C

Product catalog summary
Overview: This document provides technical specifications and installation instructions for the Dytran Instruments Model 3335C, a single-axis, charge mode accelerometer designed for high-temperature operations.
Specifications:
  • Charge Sensitivity: 1-2 pC/g
  • Frequency Response: ±5% up to 2500 Hz, ±10% up to 3500 Hz, ±30% up to 5000 Hz
  • Resonant Frequency: Greater than 20 kHz
  • Capacitance: 340 pF
  • Linearity: ±1% of Full Scale
  • Maximum Transverse Sensitivity: 5%
  • Strain Sensitivity: 0.002 g/με
  • Insulation Resistance: Greater than 1.0E8 Ω at 75°F, greater than 5.0E4 Ω at 1200°F
  • Output Polarity: Negative
Environmental Specifications:
  • Maximum Vibration: ±6000 G, peak
  • Maximum Shock: ±10,000 G, peak
  • Temperature Range: -60 to +1200 °F
  • Seal: Hermetic
  • Ground Isolation: Greater than 1.0E8 Ω
Physical Characteristics:
  • Weight: 35 grams (excluding cable)
  • Connector Type: 10-32
  • Mounting Provision: 10-32 Screw
  • Housing Material: Alloy 600
  • Element Style: Single Crystal, Planar Shear
Installation Instructions:
  • Prepare a flat mounting surface, 1.0 x 0.50 inches minimum, flat to 0.001 TIR.
  • Tap 10-32 UNF-28 to a minimum depth of 0.40 inches.
  • Torque to 10-12 lb-in.
Additional Notes:
  • Do not bend the cable within the indicated section on both ends.
  • Hardline cable specifications include a stainless steel jacket and silicone dioxide insulation.
  • Minimum bend radius for the cable is 1.5 inches.
  • Arrow indicates direction of acceleration for negative charge output.
Supplied Accessories:
  • Accredited calibration certificate (ISO 17025)
  • Mounting screw, model 6971 (SHCS, 10-32 X 0.75), quantity 1
Compliance and Standards:
  • Dimensions and tolerances are per ASME Y14.5M - 1994.
  • Welding symbols per AWS 42.4.
  • Abbreviations per MIL-STD-12.
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Catalog excerpts

MODEL 3335C-1

wTTa PROPRIETARY AND CONFIDENTIAL THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF DYTRAN INSTRUMENTS INC. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF DYTRAN INSTRUMENTS INC IS PROHIBITED SILVER WINDOW- MOUNTING SCREW, MODEL 6971, SHCS, 10-32 X .75 L.SUPPLIED- LOCKWIRE HOLE SCHEMATIC DIAGRAM /7\ US PATENT NUMBER US 8,375,793 B2 /13 DO NOT BEND CABLE WITHIN INDICATED SECTION ON BOTH ENDS OF CABLE DO NOT BEND CABLE WHILE SENSOR IS INSTALLED. HARDLINE CABLE: - JACKET: STAINLESS STEEL - INSULATION: SILICONE DIOXIDE - CONDUCTOR: STAINLESS STEEL - MININUM BEND RADIUS: 1.5 IN ARROW INDICATES DIRECTION OF ACCELERATION FOR NEGATIVE CHARGE OUTPUT HOUSING MATERIAL: ALLOY 600 2. WEIGHT, LESS CABLE: 35 GRAMS, MAX. 1. CHARGE SENSITIVITY: 1 - 2 pC/g NOTES: UNLESS OTHERWISE SPECIFIED UNLESS OTHERWISE SPECIFIED: INTERPRET DIM & TOL PER ASME Y14-5M- 1994. REMOVE BURRS. COUNTERSINK INTERNAL THDS 90’ TO MAJOR DIA. CHAM EXT THDS 45° TO MINOR DIA. THD LENGTHS AND DEPTHS ARE FOR MIN FULL THDS. DIMENSIONS APPLY AFTER FINISHING. 63/ ALL MACHINED SURFACES. V TOTAL RUNOUT WITHIN .005. BREAK SHARP EDGES .005 TO .010. MACHINED FILLET RADII .005 TO -015. WELDING SYMBOLS PER AWS A2.4 ABBREVIATIONS PER MIL-STD-12. UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN INCHES DIMENSIONS IN BRACKETS [ ] ARE IN MILLIMETERS TOLERANCES ARE: DECIMALS METRIC

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MODEL 3335C-2

SINGLE AXIS, CHARGE MODE ACCELEROMETER REV B, ECN 13555, 07/10/17 HERMETICALLY SEALED HIGH TEMPERATURE (1200°F [649°C]) OPERATION CASE GROUND ISOLATED TMsfam=y===== Notes: [1] Measured at 100Hz, 1 Grms per ISA RP 37.2 [2] Measured using zero-based straight line method, % of F.S. or any lesser range. [3] Low frequency response and phase response is function of charge amplifier. See graph below for example. [4] In the interest of constant product improvement, we reserve the right to change specifications without notice. [5] U.S. Patent number US 8,375,793 B2 applies to this unit. ENVIRONMENTAL...

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