Tenders Are Invited For Supply Of Equipment For National Temperature Standard And Spectral Transmittance And Angular And Linear Velocity Standards

1. Ac Bridge For National Temperature Standard. Specialized Training - 1 Pc Accuracy - 0.1 Ppm Or Better Across The Range Measuring Range - From 0 Ω To 200 Ω Or Wider Display Range For The Ratio Of Two Resistances - 1.0000000 Or Wider Measuring Current - 1.0 Ma; 2.0Ma; 5.0Ma; X√2; X0.1; X10 10 Channel Switch With Software Remote Control 2. Specialized Software For Management And Mathematical Processing Of Calibration Results With The Primary Standard 1 Pc. Development Of Specialized Software That Must Be Able To Receive And Process Information From The Ac Bridge, As Well As The Possibility Of Remote Control Of All Its Functions. Ability To Calculate Measurement Uncertainty. 3. Cuvette Holder For Two-Beam Spectrophotometer - 1 Pc. For Standard 10 Mm Cuvettes; Temperature Range: 10 °C To 70 °C Or More Extended; Accuracy: ± 0.3 °C Full Range Or Better; Resolution: ± 0.1 °C Or Better. 4.​​​​​​​Temperature Controller - 1 Pc. Temperature Range: 10 °C To 70 °C Or More Extended; Accuracy: ± 0.1 °C Or Better Management Software. 5. Signal Generator - Functional With Pre-Programmable Shape - Sinusoidal, Rectangular And Triangular Signals. - 1 Piece. Two-Channel Function Generator With Two Independent Output Channels: - Range: From 1 Μhz To 20 Mhz Or More Extended; - Resolution: 1 Μhz Across The Range Or Better; - Signal Forms: Sine Wave, Rectangular And Triangular Pulses With The Possibility Of Signal Modulation; - Output Amplitude: From 10 Mvpp To Max. 10 Vpp Or Better. - Adjustment Of The Filling Factor - From 1% To 99% For Rectangular Pulses; - Accuracy: ±2 % Of Setting ±1Mvpp (At 1 Khz) Or Better; - Display - Color Tft Lcd 3.0 Or Larger; - Interface For Managing And Modeling The Signal Shape; - Pc Connection And Signal Management Software. 6. Nanovoltmeter - 1 Pc. Constant Voltage - Compatible To Work With The System For Ac-Dc Transfer Measurements And The Control Software Developed In The Ei Department; - Compatible To Work With The Available Keithley 2182A Nanovoltmeter; - Range 10 Mv: - Resolution - 1 Nv; -Accuracy - 60 Ppm Per Year; -Dc Noise Level - 30 Nv Peak To Peak (1 S Response Time), 70 Nv Peak To Peak (60 Ms Response Time). -Range 100 Mv: -Resolution-10 Nv; -Accuracy - 40 Ppm Per Year; -Dc Noise Level - 175 Nv Peak To Peak (1 S Response Time), 300 Nv Peak To Peak (60 Ms Response Time). -Range 1 V: - Resolution - 100 Nv; -Accuracy - 30 Ppm Per Year; -Dc Noise Level - 600 Nv Peak To Peak (1 S Response Time), 700 Nv Peak To Peak (60 Ms Response Time).