CAC Stainless Steel Polished Rod Load Cell

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CAC Stainless Steel Polished Rod Load Cell Overview
Features of the CAC Stainless Steel Polished Rod Load Cell
CAC Stainless Steel Polished Rod Load Cell Technical Specifications
Ordering Information

CAC Stainless Steel Polished Rod Load Cell Highlights

Only hermetically sealed polished rod load cell on the market

Rugged stainless steel housing

Temperature compensated load measurement

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CAC Stainless Steel Polished Rod Load Cell Overview

eP’s CAC Stainless Steel Polished Rod Load Cell utilizes the latest sensor technology. It brings both accuracy and durability to the harsh environment of an oil well site. The instrument is constructed of 300 series stainless steel and is hermetically sealed (nitrogen gas filled). This design makes it completely immune to salt spray and unaffected by H₂S. The sensor’s construction minimizes the adverse effects of impact loading and ensures long-term stability. It is also equipped with a lightning suppression circuit. Each of these sensors is thoroughly tested to meet performance specifications. Calibration is traceable to the National Institute of Standards Technology (NIST). To permit direct interchange with load cells in existing controllers, the CAC Stainless Steel Polished Rod Load Cell may be ordered in several variations of connector style, capacity (10 K, 15 K, 30 K, or 50 K), and output sensitivity.

Factory Mutual Approval

FM Class I, II, III, Division 1 & 2, Groups A - G
ATEX Directive: CE II 3 G
EN500 21:1999 EEx mA II T4

Features of the CAC Stainless Steel Polished Rod Load Cell

Hermetically sealed/nitrogen gas filled
Impervious to H₂S and salt spray
Harsh environment protection
Direct replacement of all polished rod load cells
Field proven sensor technology
Lightning protection
Many ranges available
Lower cost

CAC Stainless Steel Polished Rod Load Cell Technical Specifications

	Rated Capacity	10 K, 15 K, 30 K, 50 K
	Overload Safe	200% full scale
	Output Full Scale	1.5 or 2.0 mV/V ±0.5%
	Bridge Resistance	800 Ohms ±5% input
		700 Ohms ±1% output
	Excitation Voltage	20 V maximum, AC or DC
	Non-Linearity	<0.03% full scale, maximum
	Hysteresis	<0.03% full scale, maximum
	Repeatability	<0.02% full scale, maximum
	Zero Offset	±1% full scale
	Operating Temperature Range	-70°F to +190°F
	Temperature Span	Zero ±0.2%/100°F
		Output ±0.15%/100°F
	Insulation Resistance	>500 Meg Ohms
	Material	300 series stainless steel
	Hermetical Seal Test	1.8 x 10^-10 ATM
	Certified Calibration	N.I.S.T. traceable

Ordering Information

Part Number
PC8500-584-00	10-K lbs. capacity, 2.0-mV/V output sensitivity, and standard 6-pin Molex connector
PC8500-585-00	15-K lbs. capacity, 2.0-mV/V output sensitivity, and standard 6-pin Molex connector
PC8500-581-00	30-K lbs. capacity, 2.0-mV/V output sensitivity, and standard 6-pin Molex connector
PC8500-582-00	50-K lbs. capacity, 2.0-mV/V output sensitivity, and standard 6-pin Molex connector
Custom loads available upon request

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