Temperature switch0 pages
Datasheet
nnPerformance Vapour Pressure andGas Filled Temperature Switches
nn721/2/3, 731/2/3/4,771/2/3/4 & 781Issue G nn700 Series
nnPrecision stainless steel mechanism for arduousatmospheres and high humidity. Set point adjustable over whole range against calibratedscale with tamperproof adjuster. Weatherproof and Flameproof models. Models for fixed switching differential,adjustable differential and HI-LO operation. Hermetically sealed microswitch option. ATEX and IECEx nnProduct applications Performance characteristics
The 721 is suitable for a wide range ofapplications in many Industry sectors: Enclosure Oil & Gas IP66 Protection Chemical Petrochemical System options Refining Stainless Steel capillary system and Brass Bellows(standard) Power Food Industry Stainless Steel capillary system and Bellows Rigid stem. The choice of models available ensuresthat the 721 is suitable for use in: Standard Electrical ratings Corrosive atmospheres Refer to table 6 Resistant to chemical attack Process connection 3/8 NPT External Sliding Gland, NPT External Direct mounting. >
nnHow can we help you?
Delta Controlsݒ range of reliablepressure and temperaturemeasurement instruments can be
customised to meet individualrequirements. For technical advice or todiscuss your application please contact
us on +44 (0) 20 8939 3500 Unit weight Between 2.2kg 8.7kg (4.8lb ֖ 19.1lb) Accuracy Set point repeatability 0.5% of span at 20 ѰC / 68 F ambient. Scale accuracy б 2% of full scale. >
TDS. 721. 0805 ISSUE G size="-1">
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