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    Test Equipment / Insulation Tester

    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.

    Rockwell Disclaimer: The product is used surplus. Radwell is not an authorised surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorised dealers. Because Radwell is not an authorised distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

    Filter Results
    32 Results.
    BENDER IRDH265-422

    BENDER

    IRDH265-422

    DISCONTINUED BY MANUFACTURER, ISOMETER, IRDH SERIES, INSULATION MONITORING, LED DISPLAY, 19.2-84 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As £524.38 Price with VAT: £629.26
    £524.38 Price with VAT: £629.26
    Repair Yours £457.00 Price with VAT: £548.40
    BENDER IRDH275BU-627

    BENDER

    IRDH275BU-627

    DISCONTINUED BY MANUFACTURER, ISOMETER, IRDH SERIES, INSULATION MONITORING, LED DISPLAY, 10-30 VDC, (POSSIBLE REPLACEMENT SERIES IS ISO685)
    ✓ IN STOCK!
    Buy Surplus As Low As £1,315.14 Price with VAT: £1,578.17
    £1,315.14 Price with VAT: £1,578.17
    Repair Yours £1,018.15 Price with VAT: £1,221.78
    BENDER IRDH265-222

    BENDER

    IRDH265-222

    DISCONTINUED BY MANUFACTURER, ISOMETER, IRDH SERIES, INSULATION MONITORING, LED DISPLAY
    ✓ IN STOCK!
    Buy Surplus As Low As £513.38 Price with VAT: £616.06
    £513.38 Price with VAT: £616.06
    Repair Yours £447.42 Price with VAT: £536.90
    BENDER IRDH275-435

    BENDER

    IRDH275-435

    DISCONTINUED BY MANUFACTURER, INSULATION MONITORING DEVICE, RATED VOLTAGE: 0...793 VAC / 0...650 VDC, SUPPLY VOLTAGE: 88....264 VAC / 77...286 VDC, POWER CONSUMPTION: 14 VA, RELAY CONTACTS: ...
    ✓ IN STOCK!
    Buy Surplus As Low As £1,033.10 Price with VAT: £1,239.72
    £1,033.10 Price with VAT: £1,239.72
    Repair Yours £839.58 Price with VAT: £1,007.50
    BENDER B912341

    BENDER

    B912341

    DISCONTINUED BY MANUFACTURER, INSULATION MONITORING DEVICE, IRG 143 P SERIES, A-ISOMETER, 42 VAC MAINS VOLTAGE, 5 AMP, 250 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As £361.67 Price with VAT: £434.00
    £361.67 Price with VAT: £434.00
    Repair Yours £333.54 Price with VAT: £400.25
    BENDER IRDH275-427

    BENDER

    IRDH275-427

    DISCONTINUED BY MANUFACTURER, ISOMETER, IRDH SERIES, INSULATION MONITORING, LED DISPLAY, 19.2-72 VDC, 19.2-55 VAC, (POSSIBLE REPLACEMENT SERIES IS ISO685)
    ✓ IN STOCK!
    Buy Surplus As Low As £1,911.00 Price with VAT: £2,293.20
    £1,911.00 Price with VAT: £2,293.20
    Repair Yours £1,003.28 Price with VAT: £1,203.94
    BENDER IRDH275BM-727

    BENDER

    IRDH275BM-727

    ISOMETER, IRDH SERIES, INSULATION MONITORING, LED DISPLAY, SAME AS B91065120, (POSSIBLE REPLACEMENT SERIES IS ISO685)
    ✓ IN STOCK!
    £3,387.40 Price with VAT: £4,064.88 Buy Surplus As Low As £1,646.28 Price with VAT: £1,975.54
    £1,646.28 Price with VAT: £1,975.54
    Repair Yours £1,366.41 Price with VAT: £1,639.69
    BENDER IRD201M

    BENDER

    IRD201M

    DISCONTINUED BY MANUFACTURER, INSULATION MONITORING DEVICE, A-ISOMETER,110/230 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As £168.18 Price with VAT: £201.81
    £168.18 Price with VAT: £201.81
    Repair Yours £150.00 Price with VAT: £180.00
    BENDER B912171

    BENDER

    B912171

    DISCONTINUED BY MANUFACTURER, INSULATION MONITORING DEVICE, IRG 143 P SERIES, A-ISOMETER, 230 VAC MAINS VOLTAGE, 5 AMP, 250 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As £560.57 Price with VAT: £672.68
    £560.57 Price with VAT: £672.68
    Repair Yours £485.96 Price with VAT: £583.15
    BENDER IRDH275B-49335

    BENDER

    IRDH275B-49335

    DISCONTINUED BY MANUFACTURER, ISOMETER, ISOPV, INSULATION MONITORING DEVICE, 1K-10 MOHM RESPONSE VALUE, 88-264 VAC / 77-286 VDC SUPPLY, (B91065131W)
    ✓ IN STOCK!
    Buy Surplus As Low As £1,103.37 Price with VAT: £1,324.04
    £1,103.37 Price with VAT: £1,324.04
    Repair Yours £1,014.90 Price with VAT: £1,217.88
    BENDER IRDH265-R49313

    BENDER

    IRDH265-R49313

    DISCONTINUED BY MANUFACTURER, ISOMETER, IRDH SERIES, INSULATION MONITORING, LED DISPLAY, 10-990KOHM RESPONSE VALUE, 0-690 VAC / 0-500 VDC RATED, 90-132 VAC 50/60 HZ SUPPLY, 250V 5 AMP RATED ...
    ✓ IN STOCK!
    Buy Surplus As Low As £633.81 Price with VAT: £760.57
    £633.81 Price with VAT: £760.57
    Repair Yours £552.36 Price with VAT: £662.83
    BENDER IRDH265-R313

    BENDER

    IRDH265-R313

    DISCONTINUED BY MANUFACTURER, ISOMETER, IRDH SERIES, INSULATION MONITORING, LED DISPLAY, 1-200 KOHM RESPONSE VALUE, 0-300 VAC / 0-150 VDC RATED, 90-132 VAC 50/60 HZ SUPPLY, 250 VAC 5 AMP REL ...
    ✓ IN STOCK!
    Buy Surplus As Low As £484.86 Price with VAT: £581.83
    £484.86 Price with VAT: £581.83
    Repair Yours £422.56 Price with VAT: £507.07
    BENDER B91065004

    BENDER

    B91065004

    DISCONTINUED BY MANUFACTURER, ISOMETER, GROUND FAULT MONITOR, INSULATION MONITORING, LED DISPLAY, 0-793 VAC/0-650 VDC NOMINAL VOLTAGE, 88-264 VAC/77-286 VDC SUPPLY, (IRDH375B-435)
    Buy Surplus As Low As £994.53 Price with VAT: £1,193.44
    £994.53 Price with VAT: £1,193.44
    Repair Yours £993.63 Price with VAT: £1,192.36
    BENDER IRDH375B-427

    BENDER

    IRDH375B-427

    DISCONTINUED BY MANUFACTURER, ISOMETER, IRDH SERIES, INSULATION MONITORING, LED DISPLAY, 0-793 VAC/0-650 VDC NOMINAL VOLTAGE UN, 19.2-72 VDC SUPPLY US, (B91065006)
    Buy Surplus As Low As £1,760.58 Price with VAT: £2,112.70
    £1,760.58 Price with VAT: £2,112.70
    Repair Yours £993.63 Price with VAT: £1,192.36
    BENDER IR420-D4-1

    BENDER

    IR420-D4-1

    INSULATION MONITORING DEVICE, FOR AC IT SYSTEMS APPLICATION CONTROL CIRCUITS, ACCORDING TO IEC 61557-8 TWO SEPARATELY CONFIGURABLE RESPONSE VALUES MULTI-FUNCTIONAL LC DISPLAY
    £516.55 Price with VAT: £619.86 Buy Surplus As Low As £296.23 Price with VAT: £355.47
    £296.23 Price with VAT: £355.47
    BENDER IRDH375-427

    BENDER

    IRDH375-427

    DISCONTINUED BY MANUFACTURER, ISOMETER, IRDH SERIES, INSULATION MONITORING, LED DISPLAY, 0-793 VAC/0-650 VDC NOMINAL VOLTAGE UN, 19.2-72 VDC SUPPLY US, (B91065002)
    Buy Surplus As Low As £1,813.65 Price with VAT: £2,176.38
    £1,813.65 Price with VAT: £2,176.38
    Repair Yours £974.83 Price with VAT: £1,169.80
    BENDER IRDH375-425

    BENDER

    IRDH375-425

    DISCONTINUED BY MANUFACTURER, ISOMETER, IRDH SERIES, INSULATION MONITORING, LED DISPLAY, 1K-10MOHM RESPONSE VALUE, 0-793 VAC / 0-650 VDC RATED, 10.2-36 VDC SUPPLY, (B91065001)
    Buy Surplus As Low As £1,849.85 Price with VAT: £2,219.82
    £1,849.85 Price with VAT: £2,219.82
    Repair Yours £993.63 Price with VAT: £1,192.36
    BENDER ISO685W-S-B

    BENDER

    ISO685W-S-B

    ISOMETER, ISO685 SERIES, 24~240 VAC, 24~240 VDC, 50~400 HZ, B91067220W
    £4,522.25 Price with VAT: £5,426.70 Buy Surplus As Low As £2,713.67 Price with VAT: £3,256.40
    £2,713.67 Price with VAT: £3,256.40
    Repair Yours £2,252.34 Price with VAT: £2,702.81
    BENDER IRDH365-4

    BENDER

    IRDH365-4

    DISCONTINUED BY MANUFACTURER, A-ISOMETER, X300, SUPPLY VOLTAGE 230 VAC, RATED VOLTAGE 0-690 VAC / 0-500 VDC, UL94V-1, (B 9106 8006)
    Buy Surplus As Low As £396.13 Price with VAT: £475.36
    £396.13 Price with VAT: £475.36
    Repair Yours £345.84 Price with VAT: £415.01
    BENDER B91037000W

    BENDER

    B91037000W

    INSULATION MONITORING DEVICE, ISOMETER, ISORW425, TYPE ISORW425-D4W-4, 100-240 VAC / 24-240 VDC, SCREW-TYPE TERMINAL
    £1,410.87 Price with VAT: £1,693.04 Buy Surplus As Low As £847.12 Price with VAT: £1,016.55
    £847.12 Price with VAT: £1,016.55
    BENDER B71037000W

    BENDER

    B71037000W

    INSULATION MONITORING DEVICE, ISOMETER, TYPE ISORW425-D4, 100-240 VAC / 24-240 VDC, PUSH-WIRE TERMINAL
    £1,800.04 Price with VAT: £2,160.05 Buy Surplus As Low As £1,080.63 Price with VAT: £1,296.76
    £1,080.63 Price with VAT: £1,296.76
    BENDER IR425-D4M1C-1

    BENDER

    IR425-D4M1C-1

    ISOMETER, SERIES IR425, INSULATION MONITOR, 1-200 KOHM, 0-300 VAC/DC, 15-460 HZ, (B91036411)
    £1,344.37 Price with VAT: £1,613.24 Buy Surplus As Low As £807.07 Price with VAT: £968.49
    £807.07 Price with VAT: £968.49
    BENDER IRDH375-435

    BENDER

    IRDH375-435

    DISCONTINUED BY MANUFACTURER, ISOMETER, IRDH SERIES, INSULATION MONITORING, LED DISPLAY, 0-793 VAC / 0-650 VDC NOMINAL VOLTAGE, 88-264 VAC / 77-286 VDC SUPPLY, (B91065000)
    Buy Surplus As Low As £1,250.00 Price with VAT: £1,500.00
    £1,250.00 Price with VAT: £1,500.00
    Repair Yours £1,044.75 Price with VAT: £1,253.70
    BENDER IR420-D4W-2

    BENDER

    IR420-D4W-2

    ISOMETER, IR420-D4 SERIES, 0~300 VAC, 70~300 VDC, 42~460 HZ, B91016405W
    £584.15 Price with VAT: £700.97 Buy Surplus As Low As £350.64 Price with VAT: £420.77
    £350.64 Price with VAT: £420.77
    BENDER IRDH275BW-425

    BENDER

    IRDH275BW-425

    DISCONTINUED BY MANUFACTURER, ISOMETER, IRDH SERIES, INSULATION MONITORING, LED DISPLAY, 10-2-36 VDC, (POSSIBLE REPLACEMENT SERIES IS ISO685)
    Buy Surplus As Low As £1,760.58 Price with VAT: £2,112.70
    £1,760.58 Price with VAT: £2,112.70
    Repair Yours £993.63 Price with VAT: £1,192.36
    BENDER IRDH275-415

    BENDER

    IRDH275-415

    DISCONTINUED BY MANUFACTURER, INSULATION MONITORING DEVICE, 3 PHASE, 0-793 VAC, 0-650 VDC, 42-460 HZ, 14 VA, 6 AMP
    Buy Surplus As Low As £1,813.65 Price with VAT: £2,176.38
    £1,813.65 Price with VAT: £2,176.38
    Repair Yours £974.83 Price with VAT: £1,169.80
    BENDER IRDH275B-49327

    BENDER

    IRDH275B-49327

    DISCONTINUED BY MANUFACTURER, ISOMETER, ISOPV, INSULATION MONITORING DEVICE, 1K-10 MOHM RESPONSE VALUE, 19.2-72 VDC SUPPLY
    Buy Surplus As Low As £1,387.39 Price with VAT: £1,664.87
    £1,387.39 Price with VAT: £1,664.87
    Repair Yours £993.63 Price with VAT: £1,192.36
    BENDER IRDH265-413

    BENDER

    IRDH265-413

    DISCONTINUED BY MANUFACTURER, ISOMETER, IRDH SERIES, INSULATION MONITORING, LED DISPLAY, 90-132 VAC SUPPLY VOLTAGE, 50/60 HZ
    Buy Surplus As Low As £924.92 Price with VAT: £1,109.90
    £924.92 Price with VAT: £1,109.90
    Repair Yours £608.50 Price with VAT: £730.20
    BENDER IR425-D4W-1

    BENDER

    IR425-D4W-1

    GROUND-FAULT MONITORING DEVICE, ISOMETER, IR425 SERIES, 16-72 VDC / 9.6 94 V SUPPLY, 15-460 HZ/DC RANGE, B91036403W
    £1,056.35 Price with VAT: £1,267.62 Buy Surplus As Low As £633.81 Price with VAT: £760.57
    £633.81 Price with VAT: £760.57
    Repair Yours £535.32 Price with VAT: £642.38
    BENDER B91065003

    BENDER

    B91065003

    DISCONTINUED BY MANUFACTURER, ISOMETER, IRDH SERIES, INSULATION MONITORING, RATED: 3 PHASE / 0-793 VAC / 0-650 VDC, SUPPLY: 400 VAC (50/60 HZ), 14 VA POWER CONSUMPTION, LED DISPLAY, RELAY CO ...
    Buy Surplus As Low As £840.00 Price with VAT: £1,008.00
    £840.00 Price with VAT: £1,008.00
    Repair Yours £732.90 Price with VAT: £879.48
    BENDER ISO685W-D-P

    BENDER

    ISO685W-D-P

    INSULATION MONITORING DEVICE, ISOMETER ISO685, INTEGRATED WEB SERVER, MODBUS TCP/RTU, W/ LCD DISPLAY, 0-690 VAC / 0-1000 VDC, 1-460 HZ, -40 TO 70 DEG. C, (B91067030W)
    £7,206.98 Price with VAT: £8,648.37 Buy Surplus As Low As £4,324.79 Price with VAT: £5,189.75
    £4,324.79 Price with VAT: £5,189.75
    Repair Yours £3,590.26 Price with VAT: £4,308.32
    BENDER AGH421-1

    BENDER

    AGH421-1

    ISOMETER, 50-1000 VDC
    £171.54 Price with VAT: £205.85 Buy Surplus As Low As £103.53 Price with VAT: £124.23
    £103.53 Price with VAT: £124.23
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