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ME15 TRANSMITTER/RECEIVER MEASURING EQUIPMENT
(Sub Group previously defined as "Test Meters" DD 1977.)
Portable Test Meter for use with HR/17, HR/17A, HR/18 and
HR/18A at stations not supplied with PTM/6. 0-100
microammeter in series with 10kn. DD 1956. OBSOLESCENT.
UHF Test Meter used to check levels at various stages.
Crystal diode rectifiers and meter with son, 75n and 75n
input sockets of various types in metal box. DD 1958.
DD Spec 6.72. OBSOLETE.
Portable Test Meter for
DD 1958. DD Spec 8.26.
Test Meter used with Band I transistorised television
translators to measure current and voltage. 483mm x 89mm.
DD 1965. DD Spec 12.7. OBSOLESCENT.
version of ME15/4. 121mm x
DD Spec 12.7. OBSOLESCENT.
UHF Aerial Test Meter for routing maintenance checks on
UHF transmitting aerials. Plugs into probes on rear of
UHF aerial panels. Diecast box with leather neck strap.
DD 1967. OBSOLESCENT.
ME16 STANDARD LEVEL MEASURING EQUIPMENT
(for calibration of test equipment)
Similar to CAL/1A but on 483mm panel. DD 1956.
Standard Level Meter, used to measure the standard level
of 1mW in 600n at audio frequencies. Self contained in
modified CS/26A, battery operated. ED 1972. OBSOLESCENT.
MN1 MISCELLANEOUS MONITORS
Programme Failure Monitor primarily developed for
Gives alarm when incoming programme
drops to about -15dB for a pre-set period of time of
40secs, 80secs, or
DD 1961. DD Spec 5.61. ACO. OBSOLESCENT.
As MN1/1 but with forward delay of a few seconds to
prevent operation of alarm circuit where programme line is