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API 670 Compliant Intrinsically Safe Accelerometer Amphenol 787A-IS with Hermetic Seal and Stainless Steel Case

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API 670 Compliant Intrinsically Safe Accelerometer Amphenol 787A-IS with Hermetic Seal and Stainless Steel Case

Description : Accelerometers RoHS

Mfr. Part # : 787A-IS

Model Number : 787A-IS

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Product Overview

The Wilcoxon Sensing Technologies 787A-IS is an intrinsically safe accelerometer designed for hazardous area applications. It is API 670 compliant and manufactured in an ISO 9001 facility. This accelerometer is certified for Class I, Div 1 (Groups A, B, C, D), Class II, Div 1 (Groups E, F, G), Class III, and Zone 0 (AEx/Ex ia IIC T4 Ga) environments, making it suitable for use in explosive atmospheres. It features a hermetic seal, PZT ceramic/shear sensing element, and a 316L stainless steel case. The accelerometer is supplied with a 1/4-28 captive hex head screw and calibration data (level 2).

Product Attributes

Brand: Wilcoxon Sensing Technologies
Company: An Amphenol Company
Origin: USA
Hazardous Area Certification: Intrinsically safe
Compliance: API 670
Manufacturing Standard: ISO 9001 facility
Sealing: Hermetic
Sensing Element Design: PZT ceramic / shear
Case Material: 316L stainless steel
Mounting: 1/4-28 captive hex head screw, 0.046 diameter safety wire hole
Output Connector: 2 pin, MIL-C-5015 style
Mating Connector: R6 type
Certifications: Class I, Div 1 Groups A, B, C, D; Class II, Div 1 Groups E, F, G; Class III; Class I Zone 0 AEx/Ex ia IIC T4 Ta = -50C to 120C; II 1 G Ex ia IIC T4 Ga Ta = -50C to 120C

Technical Specifications

Specification	Value
Model	787A-IS
Sensitivity, 5%, 25C	100 mV/g
Acceleration range	80 g peak
Amplitude nonlinearity	1%
Frequency response: 10%	1.0 - 5,000 Hz
Frequency response: 3 dB	0.5 - 10,000 Hz
Resonance frequency	22 kHz
Transverse sensitivity, max	5% of axial
Temperature response: 55C	20%
Temperature response: +120C	+10%
Voltage source	18 - 28 VDC
Current regulating diode	2 - 10 mA
Electrical noise, equiv. g: Broadband 2.5 Hz to 25 kHz	700 g
Electrical noise, equiv. g: Spectral 10 Hz	10 g/Hz
Electrical noise, equiv. g: Spectral 100 Hz	5 g/Hz
Electrical noise, equiv. g: Spectral 1,000 Hz	5 g/Hz
Output impedance, max	100
Bias output voltage	12 VDC
Grounding	case isolated, internally shielded
Temperature range	55 to +120C
Vibration limit	500 g peak
Shock limit, min	5,000 g peak
Electromagnetic sensitivity, equiv. g, max	70 g/gauss
Weight	145 grams
Dimensions (approximate)	Height: 1.23", Diameter: 1.04", Length: 2.10"
Ambient temperature range for explosive atmospheres	-40C to +80C

2411220115_Amphenol-787A-IS_C1526860.pdf

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