Range

 0.043T to   13.7T

  Resolution

 0.1µT or   1Hz in NMR frequency

  Accuracy

 Better   than 5ppm

  Standard   Deviation

 < 0.05ppm   at 1.5T

  Frequency   Stability 
      Over Time
      Temperature 
      Aging

   Better   than 0.05ppm over 3 days
   ± 1ppm from -20°C to +70°C
   ± 2ppm/year

  Tracking   Rate

 1%/sec,   maximum

  Reading   Rate

 1/sec or   10/sec at a reduced resolution

  Lag Time

 Approx.   17ms

  Operating   Temperature

 10°C to   40°C

  Storage   Temperature

 - 20°C to   + 70°C

  Environmental   Field

 < 0.1T   (for 2025 control)

  Computer   Interface

 RS-232-C   and IEEE-488 GPIB

  Power   Input

 110/220V   50/60Hz, 40VA

  Fuse

 Indicators  

  Display

 8½ digit,   7 segment, 11mm high, LEDs

  NMR   Lock

 LED,   indicates an NMR signal

  Probe   Range

 8 LEDs,   indicates range of connected probe, 1 - 8

  Tesla   / MHz

 2 LED   bars, indicates Tesla or MHz display

  Remote   / Search

 LED, indicates   remote and search operation

  Too   High / Too Low

 2 LED bar   graphs, indicates manual tuning error

 Controls -   Front 

  Coarse

 10-turn   potientometer, coarse control of manual
   tuning

  Fine

 10-turn   potientometer, fine control of manual tuning

  Manual   / Auto

 Push   button switch, manual or automatic field lock

  Search

 Push   button switch, search for signal over entire 
   probe range

  Tesla   / MHz

 Push   button switch, change display from Tesla to 
   Frequency

  Multiplexer   Select

 8-position   rotary switch, selects multiplexer channel, 
   requires external probe multiplexer

  Modulation   Amplitude

 Internal   trim-pot, sets modulation amplitude

  Modulation   Frequency

 Internal   trim-pot, sets modulation frequency

  Gain

 Internal trim-pot,   sets gain of auto lock loop

 Controls -   Rear 

  Reset

 Push   button switch, resets the PT 2025

  Interface   Setup

 9 position   DIP switch, configures the interface 
   options

  Enclosure

 Elma   Electronics type 32 case

  Dimensions

 260 x 145 x   340mm

  Weight

 6.8kg

  Connectors   - Front 

   Field   Modulation

 BNC   (monitor output)

   NMR   Signal

 BNC   (monitor output)

   NMR   Frequency

 BNC   (monitor output)

  Connectors   - Rear 

   External   Power Input

 IEC   Standard socket with voltage selector and fuse
   holder

   Ground   Jack

 'Banana'   type jack & binding post.

   RS-232-C

 DB25,   female

   IEEE-488

   Mulitplexer

 Lemo   4-pole, type EGG.0B.304.CLL

   RF   Out

 BNC

   Probe   Power

 Lemo   8-pole, type EGG.2B.308.CLL

Specifications -   Probes type 1062

  Field   Ranges and Uniformity:

    1H   (Proton) 

      1062-1 
        1062-2 
        1062-3 
        1062-4 
        1062-5

 0.043T to   0.13T, <600ppm/cm
   0.09T to 0.26T, <1200ppm/cm
   0.17T to 0.52T, <1200ppm/cm
   0.35T to 1.05T, <1500ppm/cm
   0.7T to 2.1T, <250ppm/cm

    2H   (Deuteron) 

      1062-6 
        1062-7 
        1062-8

 1.5T to   3.4T, <240ppm/cm
   3.0T to 6.8T, <300ppm/cm
   6.0T to 13.7T, <50ppm/cm

  Operating   Temp.
     1062-1 to 1062-5
     1062-6 to 1062-8

   10°C to   40°C 
   10°C to 40°C

  Storage   Temp.
     1062-1 to 1062-5
     1062-6 to 1062-8

   - 20°C to   + 70°C
   + 5°C to + 70°C

  Active   Sample Vol.
     1062-1 
     1062-2
     1062-3 to 1062-8

 Diameter x   Length (mm)
   7 x 4.5
   5 x 4.5
   4 x 4.5

  Enclosure

 Cu-Be tube

  Dimensions

 16.5 x   12.5 x 230mm

  Cable   Length

 15m   standard, up to 100m to order

  Weight

 0.13kg   (Probe Head), 1.0kg (Probe and 15m Cable)

  Connectors 

   Power

 Lemo   8-pole, type FGG.2B.308.CLCD62Z

   RF

 BNC