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AC Frequency Measurement Converter E1858EL for Precise Frequency Measurement

Electrical Measuring Devices

Manufacturer: ELECTROPRIBOR OJSC

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Bulk pricing available

FOB, CIF & EXW terms available

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Description

The E1858EL converter is designed to measure AC frequency on the basis of analogue-to-digital conversion of input signals. The converter provides the following features: software selection of the input signal, measurement range; software selection of the range of the output analogue signal; formation of the output discrete signal when the set threshold value is reached; display on the indicator of the input signal as a percentage of the nominal value; data transmission via RS485 interface (Modbus RTU protocol); production of converters without RS485 interface or analogue output. The possibility of programme selection of input and output signal range allows to quickly solve questions on application of converters with different values of range and type of input signal. The parameters of the converters can be changed with the help of a specialised program "Configurator" or by buttons on the front panel. E1858EL are included in the State Register of SI of the Russian Federation No. 59809-15....

Specifications

Overall dimensions, mm

23x111x115

Weight, kg, not more

0,3

LED indication

Two-digit seven-segment indicator to display the percentage scale of the input signal; two single LEDs to indicate interface operation and power supply voltage

Input signal

Reprogrammable ranges: 45...65 Hz, 300...500 Hz

Measurement time

0.1 to 1 sec (reprogrammable)

Maximum input voltage

500 ?

Minimum input voltage

50 ?

Basic error

± 0,5 %

Galvanic isolation of input and output circuits, power supply circuits

Got it

RS485 communication interface

Quantity: 0, 1; Modbus RTU protocol

Analog output

Quantity: 0, 1; programmable ranges: 0...5 mA; 0...20 mA; 4...20 mA; 0...2.5...5 mA; 4...12...20 mA; 0...10...20 mA, -5...0...+5 mA

Discrete output

Quantity: 0, 1; DC voltage: 300 V; 100 mA; AC voltage: 200 V; 100 mA

Power supply voltage

12VH - (12+6/-3) VDC; 24VH - (24+12/-6) VDC; 230V - 85 to 253 VAC 50 Hz; 220VU - 85 to 253 VAC 50 Hz or 120 to 265 VDC

Consumption power, not more

0.5 W from the input signal circuit (for parallel circuit); 6 V-A from the supply circuit

Reprogramming

Via "Configurator" program (RS485 interface); via front panel buttons

Operating temperature range

From -40 to +50 °C (relative humidity 95% at +35 °C)

Degree of protection

IR50

Mounting

DIN rail 35 mm

Performances

General industrial; for operation at NPPs (safety class 4 according to NP-001-2015)

Inspection interval

8 years

Warranty period of operation

2 years

Average service life, at least

20 years

Average MTBF

200000 ?

Note: All specifications are provided by the manufacturer and may be subject to change. Please contact us to confirm the latest specifications before placing your order.

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Shipping Terms

FOB Novorossiysk, Russia CIF Available to major ports worldwide EXW Manufacturer's facility, Russia

Delivery Time

Sea freight: 30-60 days (depending on destination) Air freight: 14-21 days (for urgent orders)

Payment Methods

Letter of Credit (L/C) Wire Transfer (T/T) Escrow Services

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AC Frequency Measurement Converter E1858EL for Precise Frequency Measurement

Description

Specifications

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