Directors' Dealings

OXFORD INSTRUMENTS PLC
17 September 1999


Schedule 11 - Notification of interests of Directors and Connected Persons

1   Name of company:
Oxford Instruments plc

2   Name of director:
Nigel Keen

3   Please state whether notification indicates that it is in respect of     
holding of the director named in 2 above or holding of that person's spouse or
children under the age of 18 or in respect of a non- beneficial interest:
Director named in 2 above

4   Name of registered holder(s) and, if more than one holder, the number of 
shares held by each of them (if notified):
Imperialise Limited Pension Fund (of which Nigel Keen is the sole beneficiary)

5   Please state whether notification relates to a person(s) connected with  
the director named in 2 above and identify the connected person(s):
Director as in 2 above

6   Please state the nature of the transaction. For PEP transactions please  
indicate whether general/single co PEP and if discretionary/non discretionary:
Purchase of Ordinary Shares on Open Market

7   Number of shares/amount of stock acquired:
25,000

8   Percentage of issued class:
0.05

9   Number of shares/amount of stock disposed:
N/A

10  Percentage of issued class:
N/A

11  Class of security:
Ordinary Shares of £0.05p each

12  Price per share:
£2.04

13  Date of transaction:
17th September 1999

14  Date company informed:
17th September 1999

15  Total holding following this notification:
25,000

16  Total percentage holding of issued class following this notification:
0.05

If a director has been granted options by the company, please complete the
following fields:

17  Date of grant:


18  Period during which or date on which exercisable:


19  Total amount paid (if any) for grant of the option:


20  Description of shares or debentures involved: class, number:


21  Exercise price (if fixed at time of grant) or indication that price is to
be fixed at time of exercise:


22  Total number of shares or debentures over which options held following
this notification:


23  Contact name for queries:
Della Gorham

24  Contact telephone number:
01865-881437

25  Name of company official responsible for making notification:
Della Gorham

Additional Information: