Up for sale is a fascinating piece of cold-war era British military technology: an original Crompton Instruments Hermetically Sealed Indicator / Panel Meter.
Manufactured in Witham, England, this panel gauge was custom-engineered to meet stringent Ministry of Defence requirements. The dial face prominently displays the iconic MoD Broad Arrow hallmark at the bottom, confirming its historical service legacy. The scale tracks a center-zero layout marked from -5 to +5 tracking %V-V. The casing is nitrogen-filled to guarantee internal calibration stability across high-altitude or open-water environments.
Manufacturer: Crompton Instruments Ltd. (Witham, England)
NATO Stock Number (NSN) / Adref No.: 6625-99-544-2889
Contract No.: NME4c/60391/250060
Model / Description & Part No.: 100mm SLD 087-11K
Specifications: ES 0.5/0/0.5mA DC INTO 2kohms
Scale Range: -5 / 0 / +5 %V-V
Enclosure Feature: Factory stamped "Nitrogen Filled" with original security inspection passes
Cosmetic Condition: In great, honest surplus vintage condition. The main black face-plate bezel is solid with crisp numbers. The outer metal cylindrical body shows minor surface paint scratches and faint storage marks typical of a decommissioned surplus component.
Dial & Glass: The heavy viewing glass is pristine, offering a perfectly clear view of the pointer needle. The needle moves dynamically when shifted, but please note that this is an un-tested piece of vintage technical equipment sold as a historical collectible / display piece.
Rear Terminals: Features the original threaded dual screw post terminals on the back face safely marked 7 and 8 +.
This delicate, premium military instrument will be isolated with care, wrapped in multiple thick layers of shock-absorbent bubble wrap, and shipped inside a robust cardboard box to prevent any transit damage. Fast and fully tracked shipping