SEARCH NOW FOR ALL YOUR ACTION INSTRUMENTS SOLUTIONS
Radwell is here to supply you with all your plant floor needs.
Sensors & Switches / Transmitter
![](https://az343058.vo.msecnd.net/ukimages/warranty_logo_2year_en-GB.jpg)
Radwell is not an authorised distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorisation by any rights holder.
Filter Results
Sorting/Paging
![INVENSYS MDL T420-0004](https://az343058.vo.msecnd.net/productimagethumbnails/506fa150d3da4d339db2035560d4f358.jpg)
INVENSYS
ACTION INSTRUMENTS
MDL T420-0004
DISCONTINUED BY MANUFACTURER, TRANSMITTER, 2 WIRE, INPUT / J,0/500C, OUTPUT 4/20 MA DC, W/O#-083970
✓ IN STOCK!
Buy Surplus As Low As
€124.64
€124.64
Repair Your Items
€188.85
![INVENSYS Q510-0B08](https://az343058.vo.msecnd.net/productimagethumbnails/edcb23b994004a44a2f78ab57f361a72.jpg)
INVENSYS
ACTION INSTRUMENTS
Q510-0B08
LOOP POWERED TRANSMITTER,RTD INPUT (PT100 OHM),2 CHANNEL, 0/400?F IN; 4/20 MA OUT
✓ IN STOCK!
€461.73
Buy Surplus As Low As
€277.60
€277.60
Repair Your Items
€231.34
![INVENSYS Q501-2B00](https://az343058.vo.msecnd.net/productimagethumbnails/633ae51ca2fd45cca12636a044fc86ed.jpg)
INVENSYS
ACTION INSTRUMENTS
Q501-2B00
DISCONTINUED BY MANUFACTURER, SIGNAL CONDITIONER, ACTION I/Q, Q501, 2 CHANNEL, 4-20 MA INPUT, 4-20 MA OUTPUT
Buy Surplus As Low As
€424.90
€424.90
Repair Your Items
€330.48
![INVENSYS T773-0000](https://az343058.vo.msecnd.net/productimagethumbnails/afa0b317fc6340df937d1cc367d5c83e.jpg)
INVENSYS
ACTION INSTRUMENTS
T773-0000
DISCONTINUED BY MANUFACTURER, FREQUENCY INPUT ISOLATOR, (CSA), 4-20 MA OR 10-5
Buy Surplus As Low As
€396.58
€396.58
Repair Your Items
€330.48
![INVENSYS T713-0013](https://az343058.vo.msecnd.net/productimagethumbnails/3112b52ca6504fea9cc2d0db25ff6bcb.jpg)
INVENSYS
ACTION INSTRUMENTS
T713-0013
DISCONTINUED BY MANUFACTURER, TRANSMITTER, ACTION TRANSPAK T713 RTD, ISOLATED, TWO WIRE, FIELD CONFIGURABLE, SWITCH / SELECT INPUT RANGE, LINEARIZED CURRENT LOOP, INTEGRAL RTD LINEARIZATION ...
Buy Surplus As Low As
€481.56
€481.56
Repair Your Items
€412.63
![INVENSYS 4350-0001](https://az343058.vo.msecnd.net/productimagethumbnails/07cc8d92d747425c85821a97cb8997d0.jpg)
INVENSYS
ACTION INSTRUMENTS
4350-0001
TRANSMITTER ISOLATING PROGRAMMABLE ACTION PAK
Buy Surplus As Low As
€373.92
€373.92
Repair Your Items
€311.60
![INVENSYS 4351-2000](https://az343058.vo.msecnd.net/productimagethumbnails/7ada9ec74fbd47dca80b6c0fd771e9b5.jpg)
INVENSYS
ACTION INSTRUMENTS
4351-2000
TRANSMITTER, TC DVV/MA CONVERTOR, 120V AC, 8 PIN, INPUT: T/C STANDARD, OUTPUT: DC VI
€613.75
Buy Surplus As Low As
€368.25
€368.25
Repair Your Items
€305.93
![INVENSYS Q500-2B00](https://az343058.vo.msecnd.net/productimagethumbnails/c534b22c09084522b181f2fb8e27b2f7.jpg)
INVENSYS
ACTION INSTRUMENTS
Q500-2B00
DISCONTINUED BY MANUFACTURER, POWERED TRANSMITTER,DC VOLTAGE / CURRENT INPUT,LOOP ISO. 2 I/O 0(4)/20 MA I/O
✓ IN STOCK!
Buy Surplus As Low As
€283.27
€283.27
Repair Your Items
€235.11
![INVENSYS Q500-4B00](https://az343058.vo.msecnd.net/productimagethumbnails/98ef30597c5a440fba775d21e46293bf.jpg)
INVENSYS
ACTION INSTRUMENTS
Q500-4B00
DISCONTINUED BY MANUFACTURER, POWERED TRANSMITTER, IQ SERIES, DC VOLTAGE / CURRENT INPUT, LOOP-PWR ISOLATOR, (4 IN, 4 OUT) 0(4)/20 MA IN; 0(4)/20 MA OUT
✓ IN STOCK!
Buy Surplus As Low As
€555.21
€555.21
Repair Your Items
€461.73
![INVENSYS Q501-1B00](https://az343058.vo.msecnd.net/productimagethumbnails/795c815accc44f2ea551dadd53aa3287.jpg)
INVENSYS
ACTION INSTRUMENTS
Q501-1B00
DISCONTINUED BY MANUFACTURER, SIGNAL CONDITIONER, ACTION I/Q, Q501, 1 CHANNEL, 4-20 MA INPUT, 4-20 MA OUTPUT
Buy Surplus As Low As
€424.90
€424.90
Repair Your Items
€330.48
![INVENSYS T703-2000](https://az343058.vo.msecnd.net/productimagethumbnails/39c7f0f0d7554b84bfcc742a8235884a.jpg)
INVENSYS
ACTION INSTRUMENTS
T703-2000
DISCONTINUED BY MANUFACTURER, TRANSMITTER, TRANSPAK, DC INPUT, ISOLATING, 2 WIRE, FIELD CONFIGURABLE INPUT RANGES, 20MV - 200V / 1MA - 50MA, STATUS LED
Buy Surplus As Low As
€592.03
€592.03
Repair Your Items
€368.25
![INVENSYS 9046-101](https://az343058.vo.msecnd.net/productimagethumbnails/6b32bff633bf4c8da89ee8825568755a.jpg)
INVENSYS
ACTION INSTRUMENTS
9046-101
DISCONTINUED BY MANUFACTURER, TRANSMITTER, POWER SUPPLY, 120 VAC POWER INPUT, 24 VDC OUTPUT, 8 PIN SOCKET
✓ IN STOCK!
Buy Surplus As Low As
€175.63
€175.63
![INVENSYS MDL43001413N](https://az343058.vo.msecnd.net/productimagethumbnails/760a83abba1e4b2797416c15b7baa00d.jpg)
INVENSYS
ACTION INSTRUMENTS
MDL43001413N
SIGNAL CONDITIONER 120VAC 8PIN
€325.76
Buy Surplus As Low As
€163.35
€163.35
Repair Your Items
€188.85
![INVENSYS Q501-1002](https://az343058.vo.msecnd.net/productimagethumbnails/98b763746a90426f8a1832a7a39217bc.jpg)
INVENSYS
ACTION INSTRUMENTS
Q501-1002
DISCONTINUED BY MANUFACTURER, TRANSMITTER TWO-WIRE, MULTI-CHANNEL, DC INPUT, ISOLATING, 4-20MA 12-35VDC,
✓ IN STOCK!
Buy Surplus As Low As
€315.37
€315.37
Repair Your Items
€262.50
![INVENSYS Q501-1B07](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q501-1B07
LOOP POWERED TRANSMITTERS - DC VOLTAGE/CURRENT INPUT … 1 CHANNEL, 0/500 MV IN; 4/20 MA OUT
€351.25
Buy Surplus As Low As
€211.51
€211.51
Repair Your Items
€188.85
![INVENSYS Q501-1B05](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q501-1B05
IQ SERIES, POWERED TRANSMITTERS - DC VOLTAGE / CURRENT INPUT, DC 1 CHANNEL 1 1/5 VDC IN 4/20 MA OUT
€461.73
Buy Surplus As Low As
€277.60
€277.60
Repair Your Items
€231.34
![INVENSYS Q501-1B08](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q501-1B08
IQ SERIES, POWERED TRANSMITTERS - DC VOLTAGE / CURRENT INPUT, DC 1 CHANNEL 1 0/1 VDC IN 4/20 MA OUT
€461.73
Buy Surplus As Low As
€277.60
€277.60
Repair Your Items
€231.34
![INVENSYS Q501-1B10](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q501-1B10
IQ SERIES, POWERED TRANSMITTERS - DC VOLTAGE / CURRENT INPUT, DC 1 CHANNEL 1 0/50 MV IN 4/20 MA OUT
€461.73
Buy Surplus As Low As
€277.60
€277.60
Repair Your Items
€231.34
![INVENSYS Q501-2B02](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q501-2B02
LOOP POWERED TRANSMITTERS - DC VOLTAGE/CURRENT INPUT … 2 CHANNEL, 0/1 MA IN; 4/20 MA OUT
€494.78
Buy Surplus As Low As
€297.43
€297.43
Repair Your Items
€247.39
![INVENSYS Q501-2B04](https://az343058.vo.msecnd.net/productimagethumbnails/6f1633ddaee443abab98898469b7f14c.jpg)
INVENSYS
ACTION INSTRUMENTS
Q501-2B04
POWERED TRANSMITTERS, DC VOLTAGE /, CURRENT INPUT DC, 2 CHANNEL, 1 0/5 VDC IN 4/20 MA OUT
€646.80
Buy Surplus As Low As
€388.08
€388.08
Repair Your Items
€322.93
![INVENSYS Q501-2B03](https://az343058.vo.msecnd.net/productimagethumbnails/cae6b8e39dd24035b3910cd936c7f3e0.jpg)
INVENSYS
ACTION INSTRUMENTS
Q501-2B03
IQ SERIES, POWERED TRANSMITTERS - DC VOLTAGE / CURRENT INPUT, DC 2 CHANNEL 1 0/10 VDC IN 4/20 MA OUT
€646.80
Buy Surplus As Low As
€388.08
€388.08
Repair Your Items
€322.93
![INVENSYS Q501-2B05](https://az343058.vo.msecnd.net/productimagethumbnails/f650649190704c6e8065597f108f9e07.jpg)
INVENSYS
ACTION INSTRUMENTS
Q501-2B05
IQ SERIES, POWERED TRANSMITTERS - DC VOLTAGE / CURRENT INPUT, 2 CHANNEL 1 1/5 VDC IN; 4/20 MA OUT
€646.80
Buy Surplus As Low As
€388.08
€388.08
Repair Your Items
€322.93
![INVENSYS Q501-2B11](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q501-2B11
LOOP POWERED TRANSMITTERS - DC VOLTAGE/CURRENT INPUT … 2 CHANNEL, -10/10 VDC IN; 4/20 MA OUT
€494.78
Buy Surplus As Low As
€297.43
€297.43
Repair Your Items
€247.39
![INVENSYS Q501-2B13](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q501-2B13
IQ SERIES, POWERED TRANSMITTERS - DC VOLTAGE / CURRENT INPUT, 2 CHANNEL 1 0/100 VDC IN; 4/20 MA OUT
€646.80
Buy Surplus As Low As
€388.08
€388.08
Repair Your Items
€322.93
![INVENSYS Q510-0B03](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q510-0B03
IQ SERIES, LOOP POWERED TRANSMITTERS - RTD INPUT (PT100 OHM), 2 CHANNEL, 0/200°C IN; 4/20 MA OUT
€461.73
Buy Surplus As Low As
€277.60
€277.60
Repair Your Items
€231.34
![INVENSYS Q510-4B01](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q510-4B01
IQ SERIES, LOOP POWERED TRANSMITTERS - RTD INPUT (PT100 OHM), RTD 4 CHANNEL 1 0/100°C IN 4/20 MA OUTPUT
€646.80
Buy Surplus As Low As
€388.08
€388.08
Repair Your Items
€322.93
![INVENSYS Q510-0B09](https://az343058.vo.msecnd.net/productimagethumbnails/8c61bf02749744ceb62b746e27667bbe.jpg)
INVENSYS
ACTION INSTRUMENTS
Q510-0B09
IQ SERIES, LOOP POWERED TRANSMITTERS - RTD INPUT (PT100 OHM), 2 CHANNEL, 0/500°F IN; 4/20 MA OUT
€461.73
Buy Surplus As Low As
€277.60
€277.60
Repair Your Items
€231.34
![INVENSYS Q510-4B03](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q510-4B03
IQ SERIES, LOOP POWERED TRANSMITTERS - RTD INPUT (PT100 OHM), 4 CHANNEL, 0/200°C IN; 4/20 MA OUT
€646.80
Buy Surplus As Low As
€388.08
€388.08
Repair Your Items
€322.93
![INVENSYS Q510-4B02](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q510-4B02
IQ SERIES, LOOP POWERED TRANSMITTERS - RTD INPUT (PT100 OHM), RTD 4 CHANNEL 1 0/150°C IN 4-20 MA OUTPUT
€646.80
Buy Surplus As Low As
€388.08
€388.08
Repair Your Items
€322.93
![INVENSYS Q510-4B09](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q510-4B09
IQ SERIES, LOOP POWERED TRANSMITTERS - RTD INPUT (PT100 OHM), RTD 4 CHANNEL 1 0/500 DEG F IN 4-20 MA OUT
€646.80
Buy Surplus As Low As
€388.08
€388.08
Repair Your Items
€322.93
![INVENSYS Q510-4B10](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q510-4B10
IQ SERIES, LOOP POWERED TRANSMITTERS - RTD INPUT (PT100 OHM), 4 CHANNEL 1 0/1000 DEG F IN; 4-20 MA OUT
€646.80
Buy Surplus As Low As
€388.08
€388.08
Repair Your Items
€322.93
![INVENSYS Q520-0B01](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q520-0B01
IQ SERIES, LOOP POWERED TRANSMITTERS - THERMOCOUPLE INPUT (J, K, T), 2 CHANNEL, TYPE J, 0/500°F IN; 4/20 MA OUT
€646.80
Buy Surplus As Low As
€388.08
€388.08
Repair Your Items
€322.93
![INVENSYS Q520-0B02](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q520-0B02
IQ SERIES, LOOP POWERED TRANSMITTERS - THERMOCOUPLE INPUT (J, K, T), 2 CHANNEL, TYPE J, 0/1000°F IN; 4/20 MA OUT
€646.80
Buy Surplus As Low As
€388.08
€388.08
Repair Your Items
€322.93
![INVENSYS Q520-0B07](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q520-0B07
LOOP POWERED TRANSMITTERS - THERMOCOUPLE INPUT (J, K, T) …2 CHANNEL, TYPE T, 0/500°F IN; 4/20 MA OUT
€494.78
Buy Surplus As Low As
€297.43
€297.43
Repair Your Items
€247.39
![INVENSYS Q520-0B08](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q520-0B08
LOOP POWERED TRANSMITTERS - THERMOCOUPLE INPUT (J, K, T) …2 CHANNEL, TYPE T, 0/250°C IN; 4/20 MA OUT
€494.78
Buy Surplus As Low As
€297.43
€297.43
Repair Your Items
€247.39
![INVENSYS Q520-0B09](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q520-0B09
LOOP POWERED TRANSMITTERS - THERMOCOUPLE INPUT (J, K, T) …2 CHANNEL, TYPE K, 0/400°C IN; 4/20 MA OUT
€494.78
Buy Surplus As Low As
€297.43
€297.43
Repair Your Items
€247.39
![INVENSYS Q520-0B10](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q520-0B10
LOOP POWERED TRANSMITTERS - THERMOCOUPLE INPUT (J, K, T) …2 CHANNEL, TYPE K, 0/500°C IN; 4/20 MA OUT
€494.78
Buy Surplus As Low As
€297.43
€297.43
Repair Your Items
€247.39
![INVENSYS Q501-1B03](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q501-1B03
IQ SERIES, POWERED TRANSMITTERS - DC VOLTAGE / CURRENT INPUT, DC 1 CHANNEL 1 0/10 VDC IN 4/20 MA OUT
€461.73
Buy Surplus As Low As
€277.60
€277.60
Repair Your Items
€231.34
![INVENSYS Q510-0B02](https://az343058.vo.msecnd.net/productimagethumbnails/dd1438db61bd40d38b2a247d220774d2.jpg)
INVENSYS
ACTION INSTRUMENTS
Q510-0B02
IQ SERIES, LOOP POWERED TRANSMITTER, RTD INPUT (PT100 OHM), 2 CHANNEL, 0/150C IN, 4/20 MA OUT
€461.73
Buy Surplus As Low As
€277.60
€277.60
Repair Your Items
€231.34
![INVENSYS Q510-0B10](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
Q510-0B10
LOOP POWERED TRANSMITTERS - RTD INPUT (PT100?) …2 CHANNEL, 0/1000°F IN; 4/20 MA OUT
€351.25
Buy Surplus As Low As
€211.51
€211.51
Repair Your Items
€188.85
![INVENSYS T287-0000](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
T287-0000
TRANSPAK - TWO WIRE TRANSMITTERS, UNIVERSAL LOOP POWERED TRANSMITTERS, UNIVERSAL INPUT (PROG) ISOLATOR 4-20 MA OU
Buy Surplus As Low As
€227.56
€227.56
Repair Your Items
€189.79
![INVENSYS Q510-0B06](https://az343058.vo.msecnd.net/productimagethumbnails/a595e88062314be49f70d4b6947f3c3f.jpg)
INVENSYS
ACTION INSTRUMENTS
Q510-0B06
DISCONTINUED BY MANUFACTURER, IQ SERIES, LOOP POWERED TRANSMITTERS - RTD INPUT (PT100 OHM), RTD 2 CHANNEL 1 0/200F IN 4/20 MA OUT
€461.73
Buy Surplus As Low As
€277.60
€277.60
Repair Your Items
€231.34
![INVENSYS T280-1000-C](https://az343058.vo.msecnd.net/productimagethumbnails/3a8c9a15a87844f6bec0cf650d960c19.jpg)
INVENSYS
ACTION INSTRUMENTS
T280-1000-C
TRANSPAK - TWO WIRE TRANSMITTERS, CONFIGURABLE LOOP POWERED TRANSMITTERS, RTD INPUT ISOLATOR 4-20 MA OUT 0-100 PT
€202.07
Buy Surplus As Low As
€121.81
€121.81
Repair Your Items
€188.85
![INVENSYS T280-1001-C](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
T280-1001-C
TRANSPAK - TWO WIRE TRANSMITTERS, CONFIGURABLE LOOP POWERED TRANSMITTERS, RTD INPUT ISOLATING 4 TO 20 MA OUT 0 TO
Buy Surplus As Low As
€107.64
€107.64
Repair Your Items
€188.85
![INVENSYS T280-1002-C](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
T280-1002-C
TRANSPAK - TWO WIRE TRANSMITTERS, CONFIGURABLE LOOP POWERED TRANSMITTERS, RTD INPUT ISOLATING 4 TO 20 MA OUT 0 TO
€202.07
Buy Surplus As Low As
€121.81
€121.81
Repair Your Items
€188.85
![INVENSYS T280-1007-F](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
T280-1007-F
TRANSPAK™ TWO-WIRE TRANSMITTER RTD INPUT, ISOLATING, 4 TO 20 MA OUT, 0 TO 400 PT F IN
Buy Surplus As Low As
€97.26
€97.26
Repair Your Items
€188.85
![INVENSYS T280-1008-F](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
T280-1008-F
TRANSPAK - TWO WIRE TRANSMITTERS, CONFIGURABLE LOOP POWERED TRANSMITTERS, RTD INPUT ISOLATOR 4 TO 20 MA OUT 0 TO
€202.07
Buy Surplus As Low As
€121.81
€121.81
Repair Your Items
€188.85
![INVENSYS T280-1009-F](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
T280-1009-F
TRANSPAK™ TWO-WIRE TRANSMITTER RTD INPUT, ISOLATING, 4 TO 20 MA OUT, 0 TO 900 PT F IN
Buy Surplus As Low As
€97.26
€97.26
Repair Your Items
€188.85
![INVENSYS T280-1011-F](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
T280-1011-F
TRANSPAK™ TWO-WIRE TRANSMITTER RTD INPUT, ISOLATING, 4 TO 20 MA OUT, 0 TO 100 PT F IN
Buy Surplus As Low As
€97.26
€97.26
Repair Your Items
€188.85
![INVENSYS T280-2001-JC](https://az343058.vo.msecnd.net/productimagethumbnails/preview.jpg)
INVENSYS
ACTION INSTRUMENTS
T280-2001-JC
TRANSPAK™ TWO-WIRE TRANSMITTER T/C INPUT, ISOLATING, 4 TO 20 MA OUT, 0 TO 760 TYPE J, C IN
Buy Surplus As Low As
€97.26
€97.26
Repair Your Items
€188.85