Specifications For TEL-PS15 V0.0.3
Mode pulse NMR
Operational Frequency 15 MHz (1H)
Frequency Stability ≤ 1 PPM(15Hz or 0.0001%)/ 24h
Magnetic Field Source
Magnetic Field Magnitude 350 mT
Gap 10.5 mm
Pole Diameter 60 mm
Homogeneity ≤ 7 μT/300Hz (0.002%) measured over 0.05cc cylindrical sample (4mm diameter, 4mm length)
Field Stability (NMR stabilizer) ≤ 0.1 μT/24hrs
Thermal Drift No thermal drift in range 10°C-35°C
Programmer
Pulse Width 0.4μs -50μs
Minimum Pulse Increment 0.2μs
Maximum Time Delay 24 h
Pulse Length Stability ≤ 0.0001%/24h
Measurement Sequences factory and user created (see list)
RF Square Pulse Modulator
RF Channels Orthogonal Y, X, -Y, -X
RF Transmitter
RF Pulse Power ≤ 15 W (π/2 ≤ 3.0 μs)
RF Pulse Attenuation 0-31.5 dB, 0.5 dB step
Maximum Locking Pulse Width 100 ms
Locking Pulse Attenuation 0-7dB, 1dB step
RF Probehead
Solenoid Coil Dimensions ID= 5.8 mm; L= 10 mm
Recovery (“dead”) Time < 18 μs
Receiver
gain 60 dB (1 dB step)
detection amplitude/quadrature (phase-sensitive)
low pass filter band 300 kHz; 100 kHz, 30 kHz
DC offset ± 50 %
A/D Converter
Type/Resolution flash/8 bits
Channels 2
dwell time 0.4 – 400 μs
number of samples 256-8192
Weight and dimensions WxDxH
electronic unit 6.3 kg, 47x26.3 x11 cm
probehead 0.8 kg, 12x12x2.3 cm
Eectromagnet 21 kg, 21x13x18 cm
Power Consumption 110V/220 V; 50/60 Hz; 70 W
Communication Port two way RS 232C
Computer Required PC running Microsoft Windows 2000, XP, or Vista