Order before 2pm for next day delivery

INST 1 - Classic Contents Gauge

Rating

5 out of 5 stars

Product Information

£51.00 inc VAT

Out of stock

Key Features

  • High-quality analogue submersible pressure gauge
  • Measures cylinder pressure up to 450 bar
  • Integrated analogue water temperature display
  • One-piece nickel-plated brass construction
  • Precision copper beryllium Bourdon tube mechanism
  • Impact-resistant polycarbonate lens
  • Protective rubber housing for added durability
  • 7/16" high-pressure swivel hose connection
  • Large 63mm (2.5") luminescent dial for easy reading
  • Certified to EN250:2014 and Regulation (EU) 2016/425

Description

Northern Diver INST-1 Classic Contents Gauge with Thermometer

The Northern Diver INST-1 Classic Contents Gauge is a precision-engineered submersible pressure gauge (SPG) featuring an integrated analogue thermometer, providing divers with accurate monitoring of both cylinder pressure and water temperature throughout every dive. Designed for military, commercial and recreational diving, this robust gauge delivers dependable performance in demanding underwater environments.

The INST-1 features a one-piece nickel-plated brass body and a precision copper beryllium Bourdon tube mechanism for reliable pressure readings up to 450 bar. The large 63mm (2.5’’) luminescent dial offers excellent visibility in low-light conditions, while the impact-resistant polycarbonate lens and protective rubber housing provide outstanding durability.

Supplied with an 810mm (32") thermoplastic high-pressure hose and a 7/16" swivel connection, the INST-1 integrates easily into a wide range of scuba configurations. The built-in analogue thermometer provides a convenient indication of water temperature, making this an ideal all-in-one pressure monitoring solution for professional and operational divers.

Features
  • 450 bar submersible pressure gauge
  • Integrated analogue water temperature gauge
  • Large 63mm (2.5") easy-to-read luminescent dial
  • One-piece nickel-plated brass body
  • Precision copper beryllium Bourdon tube mechanism
  • Polycarbonate impact-resistant lens
  • Protective rubber housing
  • 7/16" high-pressure swivel hose connection
  • 81cm (32") thermoplastic HP hose

Ideal For
  • Military diving operations
  • Commercial diving
  • Public safety diving
  • Professional dive teams
  • Recreational scuba diving
  • Dive schools and training centres
  • Equipment servicing and replacement

Specifications
Type: Submersible Pressure Group Gauge with Thermometer
Maximum Pressure: 450 bar
Pressure Gauge Range: 0-450 bar
Graduation: 10 bar increments
Temperature Display: Integrated analogue thermometer
Face Diameter: 63mm (2.5")
Hose Length: 810mm (32")
Hose Connection: 7/16" High-Pressure Swivel
Weight: 276g (0.6lbs)
Body Material: Nickel-plated brass
Pressure Mechanism: Copper Beryllium Bourdon tube
Lens Material: Polycarbonate
Certification: EN250:2014 & Regulation (EU) 2016/425


Reviews

Fabulous quality SPG

By Carl Williams (via Trustpilot Nov'22) on Nov 16, 2022

Fabulous quality SPG, lovely large dial face like they were back in the 80s. Amazing build quality and super fast delivery.

Downloads

INST 1 Classic Contents Gauge User Manual

INST 1 Classic Contents Gauge User Manual

Inst-1 Gauge Datasheet

Inst-1 Gauge Datasheet

Delivery & Returns

When will I receive my order?

International Delivery Times

Monday – Friday 3 – 5 Working Days

UK Mainland Delivery Times

Monday – Friday before 2pm Next Working Day
Monday – Friday after 2pm 2 Working Days
Saturday & Sunday 2 Working Days

UK Extended Areas Delivery Times

Monday – Sunday 3 – 5 Working Days

Please note delivery times may be extended during busy periods.

EU Areas

Please note that due to changes by HMRC, orders being shipped to EU countries will not be shipped on the same day as they are invoiced. EU Orders will now be shipped on the next working day. This only applies to E.U. orders. Domestic and Worldwide shipments remain the same.

Collect In Store?

When you go to the online checkout, you can opt to collect your items in store. We'll let you know when your order is ready for you to collect. Your order will normally be ready to collect the next working day.

Returns, refunds or exchanges?

You can return any item within 28 days of receipt for a refund, provided the item is unused, in its original packaging and in 'as new' condition.

Items will be refunded in full (less postage) if received within 28 days from the date of despatch.

THIS RETURNS POLICY DOES NOT AFFECT YOUR STATUTORY RIGHTS. DETAILS OF WHICH ARE AVAILABLE FROM THE CITIZENS ADVICE BUREAU OR CONSUMER DIRECT.

We aim to deal with all returns and exchanges on the day they arrive, however please allow longer during peak periods.

You can return the item(s) by dropping them off in store or by returning the item(s) by post. We do not insist on a specific courier service for the return, so please use the most economical or appropriate method for returning the item(s).

Northern Diver (Int) Ltd
Appley Lane North
Appley Bridge
Wigan
Lancashire
WN6 9AE

If an item becomes faulty after a period of time then please contact customer services (01257 254 444 or [email protected]) prior to returning the item. We will either repair or replace the item at our discretion.

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