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  • by contract
  • full-time   
Please submit your CV to:

mark@yetri.am

info@yetri.am 

Phone:(+37410)566061 

 

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Products

 THIN-FILM TEMPERATURE SENSORS

We propose the thin film temperature sensors made ​​on the basis of the platinum resistor and having long term stability, durability and reproducible of performance. It is used for precise temperature control of processes.

 

SPECIFICATIONS

Temperature range of  measurements  minus 200…+1000 0С 
Sensor’s resistance at ТENV = 00С (R0)100,  200, 500, 1000 Ohm 
Temperature coefficient of sensor (αT) 0,00385 ± 0,63 x 10-4 
Spread at R0 minus 0,6 …+ 0,2 % 
Response time 0,15 …05 s 
Overall dimensions without leads 3,1x1,3 x1,2 mm 
Leads length 10…15 mm 

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Products - Products

GPRS MODEM-CONTROLLER GMC-1

 The GMC-1 is intended for acquisition and transmission of data, about of controllable object condition, through a cell-communication network to the server. 

The GMC-1 includes:

  •  the SIM900 system from GPRS module;
  • processor;
  • signals matching module;
  • external GSM-antenna.
        

 
 The modular construction of the device and presence of the programmed processor allow using it in various systems of remote supervision and management.

The clock of a real time and reserve Li-Ion the accumulator, providing operation of controller at switching-off of an external feeding are built in the controller.

The device supports following interfaces: RS-485, RS-232, I2C, SPI, ONEWire. 

 

Functional capabilities: 

  •  SMS sending and receiving; 
  • Data transmission and reception by GPRS;
  • Reception and transmission of voice calls;
  • Indication about of registration in the GSM network;
  • Presence of dialing fixing number;
  • Access implementation to SIM only through defined GSM network’s operator.  

SPECIFICATIONS

Number of digital input/output  40  
Number of analogue inputs (0...3V)  16  
Supply voltage from constant-current source  6...40 V  
Supply voltage from internal accumulator  3,7 V (1A per hour)  
Current consumption at call waiting  30 mA  
Current consumption at data transmission mode  300 mA  
Operation time at feeding off-line mode, no more than   
at call waiting mode  33h  
- at data transmission mode  3h  
Current peak value  A  
Digitization speed  500 ksps  
Mobile class  B  
GPRS standard  class 10  

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Products - Products

ALUMINUM  PROFILES - AP01 

We are offering aluminum profile of closed-loop type with transverse dimensions:

external  61,5x28mm  
internal  55x20mm  
 Profile length on the customer’s order. 

 

    Fig.1                                                                Fig.2

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UNIT OF REMOTE TONE CONTROL BY STARTER (RTCS) 
 
We are offering two modification of unit RTCS unit:
  • Unit of RTCS-01, intended for start and control of main aggregates (motors, etc) and test of voltage occurrence on single-phase and three-phase current mains with 380V by the given DTMF code;
  • unit of RTCS-02, intended for DTMF control command transmission to RTCS-01 unit and reception from its information about unit situation.
RTCS-01 and RTCS-02 units give the opportunity to build remote control systems with large number of various electric machines and carry out control of units’ situation on various areas.
Each of  RTCS-01 and RTCS-02 unit operates in a complex with radio station. The radio station can be any type with the opportunity to voice frequency transmission. 
  
Simultaneously in one network can be functioned up to 9999 units of  RTCS-01 unit, every of which has your unique four-figure number.
The RS232 input gives the opportunity to RTCS-01 and RTCS-02 units add various peripheral devices, including various  types  of data transmission modems
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UNIT OF REMOTE CONTROL BY STARTER (TCSGPRS01)

 We are offering the TCSGPRS01 unit intended for communication by GPRS.

TCSGPRS01 unit carries out:

  • start and control of executive assemblies (motors, etc.);
  • test of voltage occurrence in single-phase and three-phase mains with 380 V.

 Unit gives the opportunity to:  

  • build remote control systems with large number of various electric machines;
  • carry out control of units on various areas;
  • organize initial data acquisition from various sensors and as digital stream to transfer by GPRS;
  • provide dialog with control centre by the given protocol;
  • according to received data,  transfer Switch ON/OFF command to electric machine starter or request information about starter situation and occurrence of voltage in electric machine's current mains.

 Unit control commands are set: by PC, connected to USB input or by keyboard in off-line mode. 

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