The subject of the procurement is: "Delivery of measurement instruments and systems for the needs of TU-Sofia," divided into specific lots:
lot 1: Delivery of measurement instruments
lot 2: Delivery of analyzers
lot 3: Delivery of measurement systems for the needs of Fix Sliven
lot 4: Delivery of measurement systems for the needs of project KP-06-N87/10
The delivered equipment must be new, unused, in original factory packaging. The delivered equipment must be complete with the necessary elements so that it is operational and performs the functions specified in the specification. If it turns out that the equipment cannot perform a given function due to a shortage or lack of the corresponding elements, these must be delivered at the expense of the Contractor.

LOT-0001
"Delivery of measurement instruments."
The subject of this lot is: "Delivery of measurement instruments," which includes the supply of: Amp clamps 1 – 4 pcs., Multimeter 1 – 6 pcs., Multimeter 2 – 15 pcs., Multimeter 3 – 4 pcs., Multimeter 4 – 4 pcs., Optical reflectometer – 1 pcs., Multicenter - LC meter – 3 pcs., LCR meter – 1 pcs., Multimeter 5 – 2 pcs., Multimeter 6 – 5 pcs., Multicenter 7 – 1 pcs., Multicenter 8 – 4 pcs., Multicenter 9 – 32 pcs., Multimeter 10 (desktop) – 1 pcs., Multimeter 11 – 1 pcs., Multicenter 12 – 1 pcs., Multimeter 11 – 60 pcs., Earth resistance meter – 3 pcs., Insulation resistance meter 1 – 2 pcs., Insulation resistance meter 2 – 2 pcs., Insulation resistance meter 3 – 2 pcs., Earth resistance meter – 1 pcs., Wattmeter – 2 pcs., Tester for electrical supply networks – 2 pcs., pH meter – 2 pcs., Digital hardness tester Shore A – 1 pcs., Digital hardness tester Shore D – 1 pcs., Portable digital roughness tester – 2 pcs., Phase indicator – 1 pcs., Device for measuring solar energy and radiation – 1 pcs., Digital Gauss/Tesla meter for measuring electromagnetic field EMF ELF – 1 pcs., Digital microscope – 1 pcs., Integrating sphere – 1 pcs., Biological digital microscope – 1 pcs.
All characteristics and requirements are specified in the Technical Specification from the participation documentation.

The delivered equipment must be new, unused, in original factory packaging. The delivered equipment must be complete with the necessary elements so that it is operational and performs the functions specified in the specification. If it turns out that the equipment cannot perform a given function due to a shortage or lack of the corresponding elements, these must be delivered at the expense of the Contractor.
The maximum delivery deadline is up to 90 (ninety) calendar days from the date of registration of the contract in the documentation at the Employer's office. Warranty period for the equipment - minimum 24 months, starting from the date of signing without remarks on the Acceptance Protocol confirming the delivery of the equipment. Payment will be made in accordance with the clauses of the execution contract.

LOT-0002
"Delivery of analyzers."
The subject of this lot is: "Delivery of analyzers," which includes the supply of:

Calibration set – 1 pcs.
DC – 9 GHz, type 3.5 mm (m) and (f)
Calibration set type 3.5 mm, male and female, 50 Ω, 9GHz (Open, Short, Match / Load 50 Ohms, Through) for vector network analyzers.

Spectrum analyzer with tracking generator – 1 pcs.
Frequency range - 9 kHz to 1.5 GHz (or wider, including specified);
Resolution bandwidth (RBW): 1 Hz - 1 MHz;
Average noise level (DANL) 25 µs;
Event detection > 10 ms;
Data logger for recording results, events, and transients on 1GB flash memory (or larger);
Communication interfaces Ethernet, USB;
Universal power input 80 ÷ 460 VAC/DC;
Real-time clock powered for 10 years (or more);
Built-in web server and email notifications for alarms and events;
Harmonics, interharmonics ULN, ULL, I according to EN 6100047.

Power quality analyzer – 3 pcs.
Must be manufactured in accordance with standard EN 61000-4-30.
Facade mount.
LED display,
MODBUS communication,
Accuracy class: 0.5S active power in accordance with IEC 62053-22
Measurement up to 31 harmonics
Measured parameters:
- Active power min/max, total
- Active and reactive power min/max, total
- Current min/max, avg
- Power min/max, avg
- Frequency min/max, avg
- Total harmonic distortion of current THD (I) per phase
- Total harmonic distortion of voltage THD (U) per phase
- Power factor min/max, avg
- Total energy
- Active and reactive energy total
All characteristics and requirements are specified in the Technical Specification from the participation documentation.

The delivered equipment must be new, unused, in original factory packaging. The delivered equipment must be complete with the necessary elements so that it is operational and performs the functions specified in the specification. If it turns out that the equipment cannot perform a given function due to a shortage or lack of the corresponding elements, these must be delivered at the expense of the Contractor.
The maximum delivery deadline is up to 90 (ninety) calendar days from the date of registration of the contract in the documentation at the Employer's office. Warranty period for the equipment - minimum 24 months, starting from the date of signing without remarks on the Acceptance Protocol confirming the delivery of the equipment. Payment will be made in accordance with the clauses of the execution contract.

LOT-0003
"Delivery of measurement systems for the needs of Fix Sliven."
The subject of this lot is: "Delivery of measurement systems for the needs of Fix Sliven," which includes the supply of:

Three-axis inertial measurement system with built-in GPS - 1 pcs.
Capability for connecting external analog sensors and specialized software for analyzing dynamic parameters of motor vehicles.
Measurement of acceleration: Along three axes (X, Y, Z), with a selectable range: ±2G to ±16G;
Measurement of angular velocities: Along three axes (X, Y, Z) via built-in gyroscope;
Geopositioning: Along three axes (X, Y, Z) via built-in gyroscope
Built-in GPS with a minimum update frequency of 10 Hz and the ability for geographic mapping;
External analog inputs: Minimum 6 analog inputs, supporting up to 12, for connecting external sensors;
Sampling: Adjustable frequency from 1 to 1000 Hz (or higher);
Communication: Wireless connection with a minimum range of 70 meters between the sensor and control module;
Data storage: Built-in memory with a capacity of at least 16 GB (or equivalent, sufficient for at least 20,000 tests);
Control device: Touch-sensitive controlled device with installed software for configuration and starting tests;
Analysis software: Includes a license for computer software with graphical analysis capabilities, data export, and report creation;
Power supply: Charging via mains (230V) and automotive (12V) power supply;
Mounting: The device must be mounted quickly and securely, including via vacuum holder; it must have a self-leveling system;
Verification and calibration: An accuracy check tool must be included with an allowable error of no more than ±0.25%;
Operating temperature range: From -10°C to +50°C (or wider, including specified);
Transportation and protection: Hard protective case for transport and storage

System for determining clearances in automotive suspensions – 1 pcs.
Axle load: up to 4000 kg;
Two rotating test plates with 8 movement directions; Maximum movement: 70 mm (or greater);
Remote control; Power supply: 2.2 kW
All characteristics and requirements are specified in the Technical Specification from the participation documentation.

The delivered equipment must be new, unused, in original factory packaging. The delivered equipment must be complete with the necessary elements so that it is operational and performs the functions specified in the specification. If it turns out that the equipment cannot perform a given function due to a shortage or lack of the corresponding elements, these must be delivered at the expense of the Contractor.
The maximum delivery deadline is up to 90 (ninety) calendar days from the date of registration of the contract in the documentation at the Employer's office. Warranty period for the equipment - minimum 24 months, starting from the date of signing without remarks on the Acceptance Protocol confirming the delivery of the equipment. Payment will be made in accordance with the clauses of the execution contract.

LOT-0004
"Delivery of measurement systems for the needs of project KP-06-N87/10."
The subject of this lot is: "Delivery of measurement systems for the needs of project KP-06-N87/10," which includes the supply of:

Measurement system – 1 pcs.
Hardware-in-the-Loop (HIL) for high-performance simulations of power electronic systems, where the real controller interacts with a virtual power chain and vice versa. The system must be compatible for operation with PLECS software and contain two blocks with the following characteristics:
Characteristics of block 1:
Processor - Xilinx Zynq, CPU clock frequency 1 GHz, CPU 1 core, simulation in the nanosecond range (max. 7.5 ns) (or similar with better parameters)
Analog inputs: ≥ 8;
Resolution ≥16 bit, simultaneous measurement, voltage range -10 ... 10 V, Input type - differential, maximum sampling rate 2 Msps, input impedance 1 MΩ, 24 pF, Connector D-SUB 37 pin male
Analog outputs: ≥ 16
Resolution:≥ 16 bit, simultaneous refreshing of outputs, voltage -10 ... 10 V, maximum output signal change rate 2 Msps, Output impedance 0 Ω, Max. Output current 10 mA, Connector D-SUB 37 pin female
Digital inputs: ≥ 32, Logic levels 3.3 V (5 V allowed), Connector D-SUB 37 pin male,
Digital outputs: ≥32, Logic levels 3.3 V, 5 V, Connector D-SUB 37 pin female, I/O short-circuit protection, Overvoltage -24 ... 24 V
Communication links: Gigabit Ethernet, CAN bus, USB A 2.0, Firmware SD card
Characteristics of block 2:
Processor Xilinx Zynq, Ultrascale+ ZU9EG, CPU cores 4 x ARM Cortex-A53, 1.5 GHz, (or similar)
nanosecond range, Step size 4 ns,
Analog inputs: ≥ 16;
Resolution:≥ 16 bit, simultaneous measurement, Voltage -10 ... 10 V, -5 ... 5 V, Input type - differential,
maximum sampling speed:≥ 5 Msps,
input impedance: ≥ 1 MΩ, 24 pF, Connector D-SUB 37 pin male,
Analog outputs: ≥ 16,
Resolution 16 bit, simultaneous refreshing of outputs, Voltage -10 ... 10 V, maximum output signal change rate 5 Msps, Output impedance 0 Ω, Max. Output current 10 mA, Connector D-SUB 37 pin female
Digital inputs: ≥32, Logic levels 3.3 V (5 V tolerant), Connector D-SUB 37 pin male
Digital outputs: ≥32, Logic levels 3.3 V, 5 V, Connector D-SUB 37 pin female, Resolver Input/Output, Connector D-SUB 9 pin male/fem, I/O short-circuit protection, Overvoltage -24 ... 24 V,
Communication links: Gigabit Ethernet, 8 SFP+ signal lines, 8 Industrial communication protocol (EtherCAT), CAN bus, RS 232/422/485 USB A 3.0, DisplayPort, SSD disk 480 GB (or more), Firmware SD card,
Power supply (built-in) 100 ... 240 Vac, 50 ... 60 Hz 65 VA
Connection modules:
1) LaunchPad-Nucleo interface to connect the RT Box with LaunchPad development kits from Texas Instruments or Nucleo-64 development boards from STMicroelectronics.
2) Digital branching board for access to digital input and output channels of the RT Box via terminal blocks and pin connectors.
3) The analog branching board for accessing the analog input and output channels of the RT Box via BNC connectors. Each of the 32 channels is connected to a special BNC connector on the board. The input resistance of each input channel can be reduced from 1 MΩ to 10 kΩ.

Fixed hydrogen detector – 1 pcs.
Measurement range: 0-1000ppm (or wider, including specified)
Gas type: Hydrogen
Protection: IP65
Temperature range: -25°C to 60°C (or wider, including specified)
Humidity range: 15-95% RH without condensation (or wider, including specified)
Storage temperature: -20°C to 65°C (or wider, including specified)
Power supply: 100-240 VAC or 24VDC
Power consumption: 24 V DC; Max. 60 mA (1.5 VA), with sensor, without WAO
Alarm relay: 5 A Dry Contact Configurable
Transistor output (2): 24 V DC/0.1 A
Analog input: 4-20 mA, overload and short circuit resistant, input resistance 130 proportional, overload and short circuit resistant, load ≤ 500 4-20 mA = measurement range
Analog output signal:
2.4-< 4 mA = allowable within the range
20-21.2 mA = allowable within the range
≥ 21.2 mA = range error
≤ 2.0 mA = error
All characteristics and requirements are specified in the Technical Specification from the participation documentation.

The delivered equipment must be new, unused, in original factory packaging. The delivered equipment must be complete with the necessary elements so that it is operational and performs the functions specified in the specification. If it turns out that the equipment cannot perform a given function due to a shortage or lack of the corresponding elements, these must be delivered at the expense of the Contractor.
The maximum delivery deadline is up to 90 (ninety) calendar days from the date of registration of the contract in the documentation at the Employer's office. Warranty period for the equipment - minimum 24 months, starting from the date of signing without remarks on the Acceptance Protocol confirming the delivery of the equipment. Payment will be made in accordance with the clauses of the execution contract.