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Calibrated signal source (calibrator) EnI-201
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Calibrated signal source (calibrator) EnI-201

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Technical characteristics
  • BrandЭнергия-Источник
  • Country of manufactureRussia
  • Источник калиброванных сигналов (калибратор) ЭнИ-201
Description

The source of calibrated signals (hereinafter referred to as the calibrator) is a multifunctional microprocessor device and is designed to reproduce precision values of constant voltage and current during calibration, verification and adjustment of working measuring instruments in laboratory and industrial conditions.

Produced according to technical conditions EI 120.00.000TU

The calibrator is a programmable source of voltage ( - 10 . . . + 100 mV, −1 . . . + 10 V) and current (0 . . . 5 mA, 0 . . . 20 mA, 4 . . . 20 mA). In terms of the number of playback channels, the calibrator is single - channel. The calibrator includes a built - in stabilized DC power supply (with an output voltage of 24 V) with an overload and short - circuit protection device and is galvanically isolated from other circuits. An optional 100 Ω ± 0.01% reference pull - up resistor can be included in the calibrator as an option. The resistor is connected to terminals independent of the calibrator circuits on the side panel of the calibrator.

The control of the values of the analog output signals of the calibrator is carried out using external digital voltmeters connected to the corresponding terminals.

Voltage and current values are entered and stored in memory from the keypad located on the calibrator case. The value of the output voltage and current in each range is stored and retrieved from 64 points, divided into 8 tables of 8 points.

Main technical characteristics

Parameter Value
AC supply voltage range, V 187 . . . 242
AC supply voltage frequency, Hz 49 . . . 51
Power consumption, V × A five
DC Voltage Output Ranges −10 . . . + 100 mV, −1 . . . + 10 V
Ranges of the unified output signal of the direct current strength, mA 0 . . . 5, 4 . . . 20, 0 . . . 20
Load resistance of voltage reproduction output, kOhm not less than 100
Load resistance of the analog output for the ranges 4 . . . 20 mA, 0 . . . 20 mA, Ohm no more than 400
Load resistance of the analog output for the range 0 . . . 5 mA, Ohm no more than 1500
Built - in load resistor, Ohm 100 ± 0.02%
The time for establishing the operating mode does not exceed, min 60
Structural performance plastic case
Overall dimensions, mm 140 × 152 × 45
Weight, kg 0.5

Internal Power Supply Specifications

Parameter Value
Nominal DC output voltage, V 24
Deviation of the output voltage from the nominal, % no more than 0.5
Output voltage ripple amplitude, V no more than 0.1
Load current, mA 25
Protection actuation current, mA no more than 50
Short - circuit current, mA no more than 20
Change in output voltage caused by a change in ambient temperature, % no more than 0.1
Change in output voltage caused by vibration, % no more than 0.2

 

 

 

 
Range name Range Limits of permissible basic absolute error
Generating current 0 . . . 25 mA ± (0.015% GV * + 0.00125 mA)
Voltage generation - 10 . . . 100 mV ± (0.015% GV * + 0.005 mV)
- 1 . . . 10 V ± (0.015% HV * + 0.001 V)

* - generated value.

Parameter Value
Limits of permissible additional error caused by a change in the ambient temperature from normal (23 ± 2) ° С to any temperature within the operating temperature range no more than the limit of the permissible basic absolute error
Limits of permissible additional error caused by exposure to high humidity no more than the limit of the permissible basic absolute error
Limits of permissible additional error caused by a change in the supply voltage from the nominal in the operating range no more than the limit of the permissible basic absolute error
Calibration interval, year 1

Metrological characteristics of the built - in additional reference pull - up resistor 100 Ohm

Parameter Value
Deviation of resistance from the nominal value, % no more than ± 0.01
Temperature coefficient of resistance, ppm / ° C ± 2.0
Long - term stability (at 70 ° C, 2000 h), % ± 0.005
Maximum operating voltage, V 300

EnI - 201 connection diagram in the mode of reproduction of the inflowing current

EnI - 201 connection diagram in leakage current playback mode

EnI - 201 connection diagram in voltage reproduction mode

Current generator output stage

 
Parameter Value
Ambient temperature, ° С + 10 . . . + 40
In terms of resistance to climatic influences during operation, it corresponds to the execution group, according to GOST R 52931 - 2008 AT 2
Protection against dust and moisture, according to GOST 14254 - 96 IP30

Warranty obligations

Parameter Value
Warranty period of operation, months 36 from the date of commissioning, but not more than 42 from the date of manufacture

Contents of delivery

Name Designation amount Note
ENI - 201 - 1 -
The passport - 1 -
Manual - 1 it is allowed to supply 1 copy. for 20 devices delivered to one address
Connecting cable banana banana 4 -

Designation when ordering

ENI - 201 R100 360 GP
1 2 3 4
  1. Name.
  2. Built - in additional 100 Ohm reference pull - up resistor.
  3. Additional technological operating time 360 hours.
  4. The presence of the State Verification.

Certificates

  1. EnI - 201, EnI - 201I Type Approval Certificate SI 01/20/2017 (RU)

Documentation

  1. EnI - 201 Passport 26.03.2015 (pdf)

Articles

  1. Inexpensive calibrators - meters for unified current and voltage signals

More details at http://www.eni-bbmv.ru/

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Calibrated signal source (calibrator) EnI-201
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