Switzer Instrument Limited
 
 
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TEMPERATURE INSTRUMENTS

The various types of temperature instruments range from switches employing filled system and thermocouple sensors to digital controllers and indicators using RTD and thermocouple sensors. The product range supports both negative and positive temperature
 

Temperature Switches

Vapor Filled - Flexible armor or Capillary Vapor Filled - Rigid Stem
  • Models 721 / 723 / 781
  • SS Capillary & Flexible armour with SS Bulb and Bellows.
  • Range (-)25 to 300°C
  • Max Working Temp Up to 310°C
  • Fixed or adjustable On-Off differential
  • Independent High - Low set points ( Model 781 only)
  • Repeatability 1% FSR
  • Pr Die Cast Aluminium Weatherproof and Flameproof or Investment Cast SS Enclosures
  • Switching - Instrument quality snap acting SPCO micro switch. One or Two as required

Brochures
Manuals
  • Models 731 / 733 / 734
  • 250 mm Rigid Stem
  • Range (-)25 °to 200° C
  • Max Working Temp Up to 210°C
  • Fixed or adjustable On-Off differential
  • Independent High - Low set points ( Model 734 only)
  • Repeatability 1% FSR
  • Pr Die Cast Aluminium Weatherproof and Flameproof or Investment Cast SS Enclosures
  • Switching - Instrument quality snap acting SPCO micro switch. One or Two as required
Brochures
Manuals

 

Gas Filled System
  • Models 771 / 773 / 784
  • SS Capillary & Flexible armour with SS Bulb and Bellows
  • Range (-)50 to 150°C
  • Max Working Temp Up to 250°C
  • Fixed or adjustable On-Off differential
  • Independent High - Low set points ( Model 784 only)
  • Repeatability 1% FSR
  • Pr Die Cast Aluminium Weatherproof and Flameproof or Investment Cast SS Enclosures
  • Switching - Instrument quality snap acting SPCO micro switch. One or Two as required
Brochures
Manuals

 

 
 

Digital Temperature Indicator / Controller

DIGITAL TEMPERATURE INDICATOR / CONTROLLER
  • Model 3701
  • Field Mount
  • Input : Thermocouple, Pt 100, 4 to 20 mA
  • Accuracy TC : ±0.3 % RTD ±0.2 % / ±1%
  • Display 3½ digit, 14.2 mm Red LED / LCD
  • Power Supply : 90 to 250V AC/ 100 to 300V DC or 12 to 32 V DC
  • Resolution TC : field selectable RTD : 0.1°C or 1°C
  • Alarm 1 or 2
  • Retransmission 4 to 20 mA
  • Engineering Plastic, IP : 55, enclosure
Brochures
Manuals
K3701 with Current or Voltage Input
K3701 with Thermocouple Input
K3701 with Pt-100 Input
   


Digital Temperature Indicator / Controller

DIGITAL TEMPERATURE INDICATOR/CONTROLLER
  • Model K3750 / K3754
  • Field Mount
  • Thermocouple J, K, R, S, T & N
  • Pt 100 RTD, 3 or 4 wire
  • Industry standard ranges
  • Accuracy TC : ±0.2 % to ±0.5% RTD : ±0.2 %
  • Display 3½ digit, 14.2 mm Red LED
  • Power Supply: 90 to 250V AC/100 to 300V DC or 18 to 32V DC
  • Resolution TC : 1°C; 0.1 & RTD 1°C
  • Alarm 1 or 2
  • Retransmission 4 to 20 mA or 1 to 5 V DC
  • Engineering Plastic Enclosure
Brochures
Manuals
K3750
K3754