Thermocouples - Types K, J, T, N, E, B, R, S
"Sterling Sensors Ltd" manufacture thermocouples in all standard calibrations to IEC 584 and only use class I materials to make our sensors.
From the very basic bare wire type sensor to a complex high temperature assembly you can be assured that we can provide a solution to meet your temperature sensing requirement. We stock a vast range of termination heads, cables, connectors and fittings to be able to manufacture temperature sensors to suit your application.
The thermocouples that we manufacture are generally within one of the following three categories
The thermocouples that we manufacture are generally within one of the following three categories
Resistance Temperature Detectors (RTD's)
Sterling Sensors Ltd manufacture RTD’s to IEC751 we can manufacture to any tolerance (class A, B, 3rd, 5th, 10th DIN etc).
We stock many different forms of RTD elements for example PT100, PT1000, NTC thermistor, PTC thermistor, NI120, CU90, PT50, PT500 etc.
We stock many different forms of RTD elements for example PT100, PT1000, NTC thermistor, PTC thermistor, NI120, CU90, PT50, PT500 etc.
From the very basic bare element type sensor to a complex mineral insulated assembly you can be assured that we can provide a solution to meet your temperature sensing requirement. We stock a vast range of termination heads, cables, connectors and fittings to be able to manufacture temperature sensors to suit your application.
The RTD’s that we manufacture are generally within one of the following two categories
The RTD’s that we manufacture are generally within one of the following two categories
Thermowells
Sterling sensors offer a range of standard or custom machined thermowells or thermopockets.
We can offer parallel, stepped or tapered sheath design in a range of materials to suit your application, our thermowells can be supplied complete with instrument connections to suit your needs and with threaded, flanged or weld-in process connections.
The thermowells that we manufacture are generally within one of the following three categories
The thermowells that we manufacture are generally within one of the following three categories
Hand Held Sensors
We manufacture bespoke and standard styles of hand held sensors, which are not limited to but include,
As a manufacturer of bespoke sensors we hold vast stocks of raw materials/ component parts to enable us to manufacture sensors exactly to your requirements in batches of any size. For example different handle materials, sheath sizes or cable configurations.
Please contact us to discuss your requirements, we can provide a stock solution or design a custom sensor specifically for your requirements
Please contact us to discuss your requirements, we can provide a stock solution or design a custom sensor specifically for your requirements
Terminal Heads
KNE (CT22)
Material - aluminium
Protection - IP68
Material - aluminium
Protection - IP68

KSE (CT11)
Material - aluminium
Protection - IP68
Material - aluminium
Protection - IP68

KNN
Material - glass gilled nylon
Protection - IP65
Material - glass gilled nylon
Protection - IP65

KPP
Material - polypropylene
Protection - IP68
FDA approved
Material - polypropylene
Protection - IP68
FDA approved

LS
Material - stainless stell
Protection - IP68
Material - stainless stell
Protection - IP68

BUZ
Material - aluminium
Material - aluminium

KNH(S)
Material - aluminium
Protection - IP68
Material - aluminium
Protection - IP68

KD (DIN B)
Material - aluminium
Protection - IP68
Material - aluminium
Protection - IP68

MA
Material - aluminium
Material - aluminium

KAA
Material - aluminium
Material - aluminium

KF
Material - aluminium
Protection - IP68
Material - aluminium
Protection - IP68

KI
Material - cast iron
Protection - IP68
Material - cast iron
Protection - IP68

Cables and Accessories
When manufacturing or designing temperature sensors - selecting the right cable is one of the most important details. Sterling Sensors Ltd stock vast amounts of cable for both thermocouples and RTD’s in many material types, conductor sizes and styles, below is some general information on the cables we stock.
CABLE INSULATION
Insulation type
PVC
SILICONE
FEP
PFA
PTFE
FIBREGLASS
HT FIBREGLASS
PVC
SILICONE
FEP
PFA
PTFE
FIBREGLASS
HT FIBREGLASS
These insulated types can also have additional outer sheaths of insulation, stainless steel braid, copper braid or flexible conduit fitted to improve mechanical protection or service temperature.
Usable temperature
-10 to 105ºC
-60 to 200ºC
-75 to 200ºC
-75 to 250ºC
-75 to 260ºC
0 to 350ºC
0 to 700ºC
-10 to 105ºC
-60 to 200ºC
-75 to 200ºC
-75 to 250ºC
-75 to 260ºC
0 to 350ºC
0 to 700ºC
CABLE CONDUCTORS
We stock our cables in many different conductor sizes/configurations, below is a list of some of our more common conductor styles that we use frequently in manufacture.
We stock our cables in many different conductor sizes/configurations, below is a list of some of our more common conductor styles that we use frequently in manufacture.
Conductor size
Approx area
Approx SWG
Approx AWG
1/0.2
0.049mm2
33
30
0.078mm2
1/0.3
30
28
1/0.5 0.196mm2
0.196mm2
24
24
7/0.15
0.124mm2
28
26
7/0.2
0.219mm2
24
24
13/0.2
0.410mm2
22
21
CABLE STYLES
Our cables are stocked in the following formations and all of them can be manufactured with additional metal braid/screening and metal braid/screening with additional outer jacket.
Our cables are stocked in the following formations and all of them can be manufactured with additional metal braid/screening and metal braid/screening with additional outer jacket.
For Thermocouples
Single leg with single insulation
Twisted pair with single insulation
Twisted pair with jacket
Flat twin with jacket
Duplex thermocouple with jacket
Multipair
Single leg with single insulation
Twisted pair with single insulation
Twisted pair with jacket
Flat twin with jacket
Duplex thermocouple with jacket
Multipair
For RTD'S
Single leg with single insulation
2 core with single insulation or jacket
3 core with single insulation or jacket
4 core with single insulation or jacket
6 core with single insulation or jacket
8 core with single insulation or jacket
10 core with single insulation or jacket
Single leg with single insulation
2 core with single insulation or jacket
3 core with single insulation or jacket
4 core with single insulation or jacket
6 core with single insulation or jacket
8 core with single insulation or jacket
10 core with single insulation or jacket
ACCESSORIES
"Sterling Sensors Ltd" stock a wide range of accessories and raw materials for both the manufacture of temperature sensors and re-sale.
CONNECTORS
We stock thermocouple and copper connectors in both standard and miniature sizes these can be line plugs/sockets, panel sockets or panel assemblies.
FITTINGS
We stock all of our fittings in brass and 316 stainless steel – other materials can be used. The sizes below are a small example of our more standard ones, many others are available including BSP-T, NPT and metric threads.
We also stock adaptors, plugs, hygienic fittings and flanges to suit almost and process connection.
STAINLESS STEEL TUBE
We keep vast stocks of 316-L stainless steel tube for the manufacture of temperature sensors or re-sale, we have various wall thickness’ in metric and imperial sizes and lengths in stock – we can even supply cut to length or pre-welded to suit your requirements.
Our more standard sizes include
METRIC
2.4mm, 2.55mm, 3mm, 4mm, 5mm, 5.5mm 6mm, 8mm, 9mm, 10mm, 11mm, 12mm.
IMPERIAL
1/16", 1/8", 3/16", 1/4", 1/2", 5/8", 1"
"Sterling Sensors Ltd" stock a wide range of accessories and raw materials for both the manufacture of temperature sensors and re-sale.
CONNECTORS
We stock thermocouple and copper connectors in both standard and miniature sizes these can be line plugs/sockets, panel sockets or panel assemblies.
FITTINGS
We stock all of our fittings in brass and 316 stainless steel – other materials can be used. The sizes below are a small example of our more standard ones, many others are available including BSP-T, NPT and metric threads.
| Thread Size | Compression |
| 1/8" BSP | 1.5mm, 3mm, 4.5mm, 6mm, 1/8", 3/16", 1/4" |
| 1/4" BSP | 1.5mm, 3mm, 4.5mm, 6mm, 1/8", 3/16", 1/4" |
| 3/8" BSP | 1.5mm, 3mm, 4.5mm, 6mm, 1/8", 3/16", 1/4" |
| 1/2" BSP | 3mm, 4.5mm, 6mm, 8mm, 11mm, 12mm, 1/8", 3/16", 1/4", 3/8", 1/2" |
| 3/4" BSP | 6mm, 8mm, 12mm, 1/4", 3/8", 1/2" |
| 1" BSP | 6mm, 12mm |
STAINLESS STEEL TUBE
We keep vast stocks of 316-L stainless steel tube for the manufacture of temperature sensors or re-sale, we have various wall thickness’ in metric and imperial sizes and lengths in stock – we can even supply cut to length or pre-welded to suit your requirements.
Our more standard sizes include
METRIC
2.4mm, 2.55mm, 3mm, 4mm, 5mm, 5.5mm 6mm, 8mm, 9mm, 10mm, 11mm, 12mm.
IMPERIAL
1/16", 1/8", 3/16", 1/4", 1/2", 5/8", 1"
Instrumentation
Heating Elements
"Sterling Sensors Ltd" can supply an extensive range of heaters including.
Mica Band
Cartridge
Rod
Mica Plate
Nozzle
Coil
As each an every heater is made to specific requirement, please contact our sales office who will be able to provide you with a competitive quotation.
Cartridge
Rod
Mica Plate
Nozzle
Coil
As each an every heater is made to specific requirement, please contact our sales office who will be able to provide you with a competitive quotation.

















