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Digital Thermostats

Low Cost Programmable Digital Thermostat

Product Code: STP

Quantity:  

Please choose your required product option(s) below before adding to your shopping basket.

Control Output  
Alarm Output  
Power Supply  

Product/Pricing Options:

Control OutputAlarm OutputPower SupplyPrice inc. VAT
( exc. VAT )
Product
Code
(1-5)(6-10)(11+)
Relay (15A/250V) None 110/240 V AC38.40
( 32.00 )
36.00
( 30.00 )
32.40
( 27.00 )
STP321
Relay (15A/250V) One Relay Alarm (3A/250V) 110/240 V AC40.80
( 34.00 )
38.40
( 32.00 )
34.80
( 29.00 )
STP322
Solid State Relay None 110/240 V AC38.40
( 32.00 )
36.00
( 30.00 )
32.40
( 27.00 )
STP321S
Solid State Relay One Relay Alarm (3A/250V) 110/240 V AC40.80
( 34.00 )
38.40
( 32.00 )
34.80
( 29.00 )
STP322S
Relay (15A/250V) None 21-30 V AC/DC38.40
( 32.00 )
36.00
( 30.00 )
32.40
( 27.00 )
STP321A
Relay (15A/250V) One Relay Alarm (3A/250V) 21-30 V AC/DC40.80
( 34.00 )
38.40
( 32.00 )
34.80
( 29.00 )
STP322A
Solid State Relay None 21-30 V AC/DC38.40
( 32.00 )
36.00
( 30.00 )
32.40
( 27.00 )
STP321SA
Solid State Relay One Relay Alarm (3A/250V) 21-30 V AC/DC40.80
( 34.00 )
38.40
( 32.00 )
34.80
( 29.00 )
STP322SA
The compact STP digital controller is an easy-to-use, low-cost thermostat which can accept Type K and J Thermocouples, 2 or 3 wire RTD sensors and 4~20mA inputs. Suitable for heating and cooling applications. A cost-effective solution for simple control and monitoring applications.

• Universal inputs (Thermocouple, Pt100, 4~20mA)
• Bright LED display
• Compact size (75mm x 33mm x 70mm)
• Basic on/off control with programmable hysteresis
• Simple to use, easy to configure

Technical Details
Input(s)Thermocouple Type K, J (-30°C to +999°C)
2 or 3 wire Pt100 (-199°C to +654°C)
4~20mA (-199 to +999) (requires a 250 ohm resistor fitted between input terminals)
Display3-digit LED
Control MethodOn / Off
Control OutputRelay (15A/250V) or Solid State Relay
Alarm OutputRelay (3A/250V)
Accuracy0.5% FS
Sampling Time0.5 seconds
Working Environment0 to +50°C, less than 80% RH (non-condensing)
Power Supply110~240 V AC or 21~30 V AC/DC
Dimensions75mm (W) x 33mm (H) x 70mm (D)
Mounting / Cutout DimensionsPanel-mounted with drilling template 71mm x 29mm


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