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Compression Load Cell CH (CH-Ex) 500

Robust digital ATEX and IECEx certified heavy duty compression load cell produced in stainless steel and hermetically sealed to IP68 for installation under large silos, tanks, vessels and heavy duty applications. The CH-Ex load cell can be used in ATEX (Ex) IECEx and non-ATEX applications.

Type: CH500 (Non-ATEX) CH-Ex500 (ATEX)

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Calibration Eilersen high capacity compression load cells

Heavy duty compression load cells example

Special Features

Made in Denmark
ATEX and IECEx certified (Zone 1, 2, 21, 22)
Robust capacitive technology
High tolerance of up to 300% overload
Stainless steel 1.4542 (17-4 PH)
Hermetically sealed to IP68
Laser welded with Duplex 1.4462 stainless steel
Can be supplied with Mud resistant and Halogen free cables for offshore installation
Withstands welding voltages and ESD

Capacity (Emax): 200, 300, 400, 500 tons
Accuracy: Industrial 0.25%
Cable length up to 100 meters
Replaceable load cell cable
Pre-calibrated with signal in kg or kN
Calibration independent of cable length
Easy mechanical and electrical installation
Can be used in both ATEX / IECEx and non-ATEX installations

Documentation

Dimensions (mm)

Specifications

Parameter	Unit	0.25%
Rated capacity (E_max)	ton	200, 300, 400, 500
Safe overload limit	% of E_max	up to 300
Safe sideload limit	% of E_max	up to 300
Combined Accuracy	% of E_max	0.250
Repeatability	% of E_max	0.080
Hysteresis	% of E_max	0.080
Creep 30 min.	% of E_max	0.080
Temperature effect on zero	% /10°C	0.150
Temperature effect on sensitivity	% /10°C	0.120
Compensated temperature range	°C	-10 to 50
Operating temperature range	°C	-50 to 70 (100*)
Deflection at E_max	mm	max. 0.10
Measuring rate	Hz	500
Supply	Vdc	24Vdc ±5%
Internal resolution	Bit	24
Material		Stainless Steel 17-4 PH and AISI 316
Protection		IP68
Cable		6 meter standard coaxial RG-58 (Ø6mm) with BNC connector
Maximum load cell cable length	m	100
Weight	kg	75
Output options		EtherNet/IP, PROFINET, EtherCAT, Profibus DP, Modbus TCP/IP, DeviceNet, RS485, 4-20mA, 0-10Vdc

* with Teflon cable

Applications

Silo weighing
Process weighing
Heavy duty applications
Level measurement
Offshore applications

Options

ATEX and IECEx (Zone 1, 2, 21, 22) version type CH-Ex
ATEX II 2G Ex ia IIC T6 Gb / ATEX II 2D Ex ia IIIC T85°C Db
Load cell cable length 10, 20, 50 or 100 meters
Mud resistant and Halogen free cables for offshore installation
Special PE load cell cable available for freezing low temperature (can be used down to -50 degrees Celsius)
Special Teflon load cell cable available for very high temperature (can be used up to 100 degrees Celsius)

Plug-and-play interface modules

Accurate and reliable communication to PLC's, SCADA, and control systems

Our interface modules support all communication protocols on the market, including EtherNet IP, PROFINET, and EtherCat, and all our interface modules have direct fieldbus interfaces and analogue I/O.

Digital technology ensures high accuracy and resolution

When you combine Eilersen interface modules with Eilersen digital load cells, your measuring chain is purely digital. There is no loss of signal as there is no A/D conversion. As a result, you get the most accurate measurement and the highest resolution possible.

Standard or customized firmware

Our wide range of direct fieldbus interfaces make our interface modules easy to connect to your existing PLC’s and control systems. Besides standard firmware, all products can be delivered with customized firmware to suit your needs.

Monitor up to 16 load cells from one interface module

The integrated monitoring provides data of loads on the individual digital load cells and even offer integrated diagnostics. Even though Eilersen load cells don’t require regular maintenance, this feature makes troubleshooting fast and easy should the need for maintenance occur.

Suitable for all environments

No matter your industry or environment, we have interface modules and solutions to suit your needs. Eilersen interface modules can be delivered in ATEX and IECEx certified versions that ensure safety and reliability in demanding conditions.

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