Product Search

    SEARCH NOW FOR ALL YOUR SIERRA INSTRUMENTS SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    Radwell is not an authorized 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 authorization by any rights holder.

    Filter Results
    Results 1-50 of 136.
    SIERRA INSTRUMENTS 730-RFQ-1682-3

    SIERRA INSTRUMENTS

    730-RFQ-1682-3

    MASS FLOW METER 3/4INH ALUM 15VDC 4-20MA 6PIN
    ✓ IN STOCK!
    Buy Surplus As Low As $1,603.80
    $1,603.80
    Repair Yours $1,350.00
    SIERRA INSTRUMENTS 730-N1-1-E0-PV1-V1

    SIERRA INSTRUMENTS

    730-N1-1-E0-PV1-V1

    FLOW METER 15VDC 0-5VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $344.52
    $344.52
    Repair Yours $290.00
    SIERRA INSTRUMENTS 620S-L06-EN2-V4-DD-0

    SIERRA INSTRUMENTS

    620S-L06-EN2-V4-DD-0

    MASS FLOW METER .0173KG/SEC 4-20MA 18-30VDC 15PSI 1ATM
    ✓ IN STOCK!
    $1,264.00 Buy Surplus As Low As $633.00
    $633.00
    Repair Yours $595.00
    SIERRA INSTRUMENTS 840L-3-0V1-SV1-D-V4-S4MP

    SIERRA INSTRUMENTS

    840L-3-0V1-SV1-D-V4-S4MP

    DISCONTINUED BY MANUFACTURER, MASS FLOW CONTROLLER, 0-20 RANGE, AIR, STP 70F,PRESSURE IN 75PSIG PRESSURE OUT 55PSIG, MAX PRESSURE 500PSIG, MAX TEMP 122F, SET POINT 4-20MA, OUTPUT SIG 4-20MA
    ✓ IN STOCK!
    Buy Surplus As Low As $970.00
    $970.00
    Repair Yours $797.00
    SIERRA INSTRUMENTS 840M-3-0V1-SV1-E-V1-S1-MP

    SIERRA INSTRUMENTS

    840M-3-0V1-SV1-E-V1-S1-MP

    DISCONTINUED BY MANUFACTURER, MASS FLOW CONTROLLER, SIDETRAK, 015SLPM TO 0100SLPM, 3/8IN COMPRESSION FITTINGS, VITON VALVE SEAT, EDGE CARD CONNECTOR, 0-5VDC LINEAR OUTPUT SIGNAL, 40-100 PSIG
    ✓ IN STOCK!
    Buy Surplus As Low As $960.00
    $960.00
    Repair Yours $797.00
    SIERRA INSTRUMENTS 830L-2-0V1-D-V4-MP-LF

    SIERRA INSTRUMENTS

    830L-2-0V1-D-V4-MP-LF

    DISCONTINUED BY MANUFACTURER, FLOW METER, 0-20 RANGE, 45 PSIG IN, 500 PSIG MAX, 4-20 MA OUTPUT
    ✓ IN STOCK!
    Buy Surplus As Low As $980.10
    $980.10
    Repair Yours $840.00
    SIERRA INSTRUMENTS 620S-L18-M1-EN2-V4-NR-0

    SIERRA INSTRUMENTS

    620S-L18-M1-EN2-V4-NR-0

    DISCONTINUED BY MANUFACTURER, INSERTION MASS FLOW METER, FOR INERT GAS FLOW MEASUREMENT APPLICATIONS
    ✓ IN STOCK!
    Buy Surplus As Low As $1,544.40
    $1,544.40
    Repair Yours $1,300.00
    SIERRA INSTRUMENTS 830L-2-OV1-E-V1-MP

    SIERRA INSTRUMENTS

    830L-2-OV1-E-V1-MP

    DISCONTINUED BY MANUFACTURER, MASS FLOW METER, 100-500 PSIG, 0-5 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $103.62
    $103.62
    SIERRA INSTRUMENTS C100L-NR-3-OV1-SV1-PV2-V1-S4-C10

    SIERRA INSTRUMENTS

    C100L-NR-3-OV1-SV1-PV2-V1-S4-C10

    DISCONTINUED BY MANUFACTURER, MASS FLOW CONTROLLER, 0-10 SLPM, OUTPUT SIGNAL 0-5 VDC, SET SIGNAL 4-20 MA, INLET PRESSURE 30 PSIG, OUTLET PRESSURE 24 PSIG, MAX PRESSURE 500 PSIG, OPERATING TE ...
    ✓ IN STOCK!
    Call For Availability
    SIERRA INSTRUMENTS C100M-NR-4-OV1-SV1-PV2-V1-S4-C10

    SIERRA INSTRUMENTS

    C100M-NR-4-OV1-SV1-PV2-V1-S4-C10

    DISCONTINUED BY MANUFACTURER, MASS FLOW CONTROLLER, 0-200 SCFH, 0--5 VDC OUTPUT SIGNAL, 4-20 MA, SUPPLY 24 VDC, INLET PRESSURE 35 PSIG, OUTLET PRESSURE 20 PSIG, MAX PRESSURE 500 PSIG, MAX TE ...
    ✓ IN STOCK!
    Call For Availability
    SIERRA INSTRUMENTS 780S-NAA-N4-EN2-P2-V4-DD-0

    SIERRA INSTRUMENTS

    780S-NAA-N4-EN2-P2-V4-DD-0

    DISCONTINUED BY MANUFACTURER, MASS FLOW METER, GAS: AIR, RANGE: 180, PIPE OR FLOW BODY SIZE: 1 780 F/B, UNITS: SCFM, INPUT POWER: 18-30VDC, OUTPUT SIGNAL: 4-20MA, MAX PRESSURE: 230 PSIG
    ✓ IN STOCK!
    Buy Surplus As Low As $300.00
    $300.00
    SIERRA INSTRUMENTS S5SS9C

    SIERRA INSTRUMENTS

    S5SS9C

    SOLENOID VALVE 120V 2-115PSIG
    ✓ IN STOCK!
    Buy Surplus As Low As $66.00
    $66.00
    SIERRA INSTRUMENTS 730-N1-1-EO-PV1-V1-SO

    SIERRA INSTRUMENTS

    730-N1-1-EO-PV1-V1-SO

    FLOW METER 0-100PSI 15VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $356.40
    $356.40
    Repair Yours $330.00
    SIERRA INSTRUMENTS 730-N1-1-E0-PV1-V4-0

    SIERRA INSTRUMENTS

    730-N1-1-E0-PV1-V4-0

    FLOW METER, MASS FLOW METER, 1/4 FEMALE NPT, ALUMINUM, 15 VDC, 4-20 MA, AIR, 3 PSIG
    ✓ IN STOCK!
    $618.00 Buy Surplus As Low As $408.00
    $408.00
    Repair Yours $308.00
    SIERRA INSTRUMENTS 730-RFQ-1682-1

    SIERRA INSTRUMENTS

    730-RFQ-1682-1

    DISCONTINUED BY MANUFACTURER, MASS FLOW METER, AIR SENSOR, 15-18 V DC, 80 PSIG
    ✓ IN STOCK!
    Buy Surplus As Low As $1,603.80
    $1,603.80
    Repair Yours $1,200.00
    SIERRA INSTRUMENTS 821-1

    SIERRA INSTRUMENTS

    821-1

    FLOW METER, 0-1.4RANGE ,150PSIG
    ✓ IN STOCK!
    $193.00 Buy Surplus As Low As $98.00
    $98.00
    SIERRA INSTRUMENTS 840L-5-OV1-SV1-E-V1-S1

    SIERRA INSTRUMENTS

    840L-5-OV1-SV1-E-V1-S1

    DISCONTINUED BY MANUFACTURER, MASS FLOW CONTROLLER, 0-20 RANGE, 0.010 ORIFICE, AIR, 0-5 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $216.00
    $216.00
    Repair Yours $200.00
    SIERRA INSTRUMENTS 640S-NAA-L13-M1-E2-P3-V4-NR-0

    SIERRA INSTRUMENTS

    640S-NAA-L13-M1-E2-P3-V4-NR-0

    DISCONTINUED BY MANUFACTURER, MASS FLOW METER, 4-20 MA, 100-240 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $849.00
    $849.00
    Repair Yours $700.00
    SIERRA INSTRUMENTS 840L-RFQ-1631

    SIERRA INSTRUMENTS

    840L-RFQ-1631

    DISCONTINUED BY MANUFACTURER, SIDETRAK MASS FLOW CONTROLLER, TRADITIONAL ANALOG, 10SCCM TO 15SLPM, UP TO 500PSIG, 300M/S RESPONCE, 15VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $891.00
    $891.00
    Repair Yours $840.00
    SIERRA INSTRUMENTS 840L-3-0V1-SV1-D-V4-V4

    SIERRA INSTRUMENTS

    840L-3-0V1-SV1-D-V4-V4

    DISCONTINUED BY MANUFACTURER, MASS FLOW CONTROLLER, RANGE 0-20, UNITS SLPM, LFE, .040 ORIFICE, AIR, OUTPUT 10MA, STP 70F, 500 PSI MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $756.00
    $756.00
    Repair Yours $700.00
    SIERRA INSTRUMENTS C100L-DD-14-OV1-SV1-PV2-V1-S4-C10

    SIERRA INSTRUMENTS

    C100L-DD-14-OV1-SV1-PV2-V1-S4-C10

    DISCONTINUED BY MANUFACTURER,MASS FLOW CONTROLLER,0-15SLPM RANGE/UNITS,STP 70 DEGREES F,HORIZONTAL,24VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,242.00
    $1,242.00
    Repair Yours $1,150.00
    SIERRA INSTRUMENTS 830L-3-OV1-D-V1-MP

    SIERRA INSTRUMENTS

    830L-3-OV1-D-V1-MP

    MASS FLOW METER, LOW FLOWS, 0-10 SCCM 0-15 SLPM, 3/8IN COMPRESSION, VITON, 15 PIN D CONNECTOR, 0-5 VDC LINEAR, 40-100 PSIG, 2.8-6.9 BARG
    ✓ IN STOCK!
    $1,113.00 Buy Surplus As Low As $685.26
    $685.26
    Repair Yours $443.55
    SIERRA INSTRUMENTS 730-09-1

    SIERRA INSTRUMENTS

    730-09-1

    DISCONTINUED BY MANUFACTURER, FLOW METER, 0-100 PSI, 15-18 VDC, SLPM UNIT
    ✓ IN STOCK!
    Buy Surplus As Low As $356.40
    $356.40
    Repair Yours $329.00
    SIERRA INSTRUMENTS 810C-NR-13-V4-S4

    SIERRA INSTRUMENTS

    810C-NR-13-V4-S4

    MASS-TRAK MASS FLOW CONTROLLER, 0-5 VDC AND 4-20 MA OUTPUT SIGNALS, LINEAR, 24 VDC INPUT POWER, 1/4 INCH FEMALE NPT FITTINGS, MAXIMUM TEMPERATURE 122F, MAS PRESSURE 150 PSIG, INTEGRAL FLOW C ...
    ✓ IN STOCK!
    $2,825.00 Buy Surplus As Low As $1,695.00
    $1,695.00
    Repair Yours $1,367.00
    SIERRA INSTRUMENTS MODEL 619

    SIERRA INSTRUMENTS

    MODEL 619

    DISCONTINUED BY MANUFACTURER, FLOW METER, 0-6000 FEET PER MINUTE, 0-5 INCHES OF WATER, 115/230 VAC 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $41.04
    $41.04
    Repair Yours $200.00
    SIERRA INSTRUMENTS 824-1

    SIERRA INSTRUMENTS

    824-1

    DISCONTINUED BY MANUFACTURER, MASS FLOW METER, 0-1 RANGE, 150 PSIG, AIR
    ✓ IN STOCK!
    Buy Surplus As Low As $45.90
    $45.90
    Repair Yours $200.00
    SIERRA INSTRUMENTS 620S-BT-LO9-M6-EN2-V3-DD-8-PULSE-CC

    SIERRA INSTRUMENTS

    620S-BT-LO9-M6-EN2-V3-DD-8-PULSE-CC

    INSERTION MASS FLOW METER, BOILERTRAK, 30 PSIG, 15-24 V, 4-20 MA, 9-INCH PROBE, 3/8-INCH DIAMETER PROBE, OPTIMIZED FOR NATURAL GAS / PROPANE
    ✓ IN STOCK!
    $6,403.00 Buy Surplus As Low As $4,226.00
    $4,226.00
    Repair Yours $3,189.00
    SIERRA INSTRUMENTS 730-N3-1-E0-PV1-1V-0

    SIERRA INSTRUMENTS

    730-N3-1-E0-PV1-1V-0

    DISCONTINUED BY MANUFACTURER, MASS FLOW METER,150 PSIG,15VDC,1ATM
    ✓ IN STOCK!
    Buy Surplus As Low As $432.00
    $432.00
    Repair Yours $359.00
    SIERRA INSTRUMENTS C100M-DD-3-OV1-SV1-PV2-V1-S4-C1

    SIERRA INSTRUMENTS

    C100M-DD-3-OV1-SV1-PV2-V1-S4-C1

    DISCONTINUED BY MANUFACTURER, FLOW CONTROLLER, 0-270 GR/MIN, 24 VDC, 500 PSI MAX PRESSURE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,122.00
    $1,122.00
    Repair Yours $847.00
    SIERRA INSTRUMENTS C100L-NR-4-OV1-SV1-PV2-V1-S4-C10

    SIERRA INSTRUMENTS

    C100L-NR-4-OV1-SV1-PV2-V1-S4-C10

    DISCONTINUED BY MANUFACTURER, MASS FLOW CONTROLLER, 0-78 SCFH, 4-20 MA, 35 PSIG INLET PRESSURE, 20 PSIG OUTLET PRESSURE, MAX PRESSURE 500 PSIG, SUPPLY 24 VDC, 1/2 IN CONNECTOR, OPERATING TEM ...
    ✓ IN STOCK!
    Call For Availability
    SIERRA INSTRUMENTS C100L-NR-3-OV1-SV1-PV2-V1-S4

    SIERRA INSTRUMENTS

    C100L-NR-3-OV1-SV1-PV2-V1-S4

    DISCONTINUED BY MANUFACTURER, MASS FLOW CONTROLLER, 0-78 SCFH, OUTPUT SIGNAL 0-5 VDC, 4-20 MA, SUPPLY 24 VDC, INLET PRESSURE 35 PSIG, OUTLET PRESSURE 20 PSIG, MAX PRESSURE 500 PSIG, MAX TEMP ...
    ✓ IN STOCK!
    Call For Availability
    SIERRA INSTRUMENTS 620S-L04-EN4-V4-DD-RC1(30)-MP

    SIERRA INSTRUMENTS

    620S-L04-EN4-V4-DD-RC1(30)-MP

    DISCONTINUED BY MANUFACTURER, MASS FLOW METER, MODEL 620S-L04-EN4-V4-DD-RC1(30)-MP, 4 INCH PROBE LENGTH, REMOTE NEMA 4X (IP65) ENCLOSURE, WITH JUNCTION BOX, 30FT CABLE, 4-20MA OUTPUT / LINEA ...
    ✓ IN STOCK!
    Buy Surplus As Low As $3,420.00
    $3,420.00
    Repair Yours $2,190.00
    SIERRA INSTRUMENTS 780-NAA-N6-EN4-P2-V4-DD-11

    SIERRA INSTRUMENTS

    780-NAA-N6-EN4-P2-V4-DD-11

    MASS FLOW METER 230PSI MAX 4-20MAMP OUTPUT
    $1,431.00 Buy Surplus As Low As $858.60
    $858.60
    Repair Yours $633.46
    SIERRA INSTRUMENTS FS42CS-.50-S6-1.50-110-LE-00-S

    SIERRA INSTRUMENTS

    FS42CS-.50-S6-1.50-110-LE-00-S

    DISCONTINUED BY MANUFACTURER, FLOW SWITCH, 110/220V, 50/60HZ, 85/42MA, INPUT
    Buy Surplus As Low As $210.60
    $210.60
    Repair Yours $200.00
    SIERRA INSTRUMENTS 730-N1-1-E0-PV2-V3-0

    SIERRA INSTRUMENTS

    730-N1-1-E0-PV2-V3-0

    DISCONTINUED BY MANUFACTURER, MASS FLOW METER, 24VDC INPUT POWER, 0-10VDC OUTPUT, 0-4 SCFM, 150 MAX PSI
    Buy Surplus As Low As $216.00
    $216.00
    Repair Yours $200.00
    SIERRA INSTRUMENTS S-FG-005815

    SIERRA INSTRUMENTS

    S-FG-005815

    CABLE KIT, 2 PART CABLE, MANUAL, USB ADAPTER
    $290.00 Buy Surplus As Low As $175.00
    $175.00
    SIERRA INSTRUMENTS 822-13-OV1-PV2-V4

    SIERRA INSTRUMENTS

    822-13-OV1-PV2-V4

    FLOW METER, 820 SERIES, WITH DISPLAY, 1/4-INCH FEMALE NPT, VITON
    $2,929.00 Buy Surplus As Low As $1,758.00
    $1,758.00
    Repair Yours $1,460.00
    SIERRA INSTRUMENTS BA58010

    SIERRA INSTRUMENTS

    BA58010

    MARINE SOLENOID, 12V
    $124.00 Buy Surplus As Low As $75.00
    $75.00
    SIERRA INSTRUMENTS 172693

    SIERRA INSTRUMENTS

    172693

    ULTRASONIC FLOW METER, 90-245VAC, 48-63HZ, 5W, 1-36VDC
    $3,455.10 Buy Surplus As Low As $2,073.06
    $2,073.06
    Repair Yours $1,913.00
    SIERRA INSTRUMENTS 860-SC-973-505-IC-P

    SIERRA INSTRUMENTS

    860-SC-973-505-IC-P

    DISCONTINUED BY MANUFACTURER, MASS FLOW METER, 0-300 RANGE, UNITS SLPM, GAS N2, STP 70`F, PRESSURE IN 60-80PSIG, PRESSURE OUT 5-17PSIG, 500 PSIG MAX PRESSURE, MAX TEMPERATURE 122`F, 0-5 VDC ...
    Buy Surplus As Low As $1,212.00
    $1,212.00
    Repair Yours $996.00
    SIERRA INSTRUMENTS 640I-VT-2-L09-M1-E2-P2-V4-DD-0-99-99-99-MB

    SIERRA INSTRUMENTS

    640I-VT-2-L09-M1-E2-P2-V4-DD-0-99-99-99-MB

    THERMAL INSERTION MASS FLOW METER, 9 IN, 3/4 IN W/ 1 IN NPT MALE, 24 VDC
    $14,017.00 Buy Surplus As Low As $8,411.00
    $8,411.00
    Repair Yours $6,982.00
    SIERRA INSTRUMENTS 5615182213OV1PB1

    SIERRA INSTRUMENTS

    5615182213OV1PB1

    MODULE
    $658.00 Buy Surplus As Low As $395.00
    $395.00
    Repair Yours $329.00
    SIERRA INSTRUMENTS 826-NX-OV1-PV1-V1

    SIERRA INSTRUMENTS

    826-NX-OV1-PV1-V1

    DISCONTINUED BY MANUFACTURER, HIGH FLOW METER, 820 SERIES,TOP TRACK,WITH DISPLAY,NATURAL GAS,150 PSIG INLET,0-115 SCFH,1/2IN NPTF,12-15VDC
    Buy Surplus As Low As $1,546.00
    $1,546.00
    Repair Yours $1,300.00
    SIERRA INSTRUMENTS MP200

    SIERRA INSTRUMENTS

    MP200

    DATA MODEM MOBILE FULL DUPLEX 3WATT CDCP
    Buy Surplus As Low As $516.00
    $516.00
    Repair Yours $430.00
    SIERRA INSTRUMENTS 730-N1-1-PV1-V1-E0

    SIERRA INSTRUMENTS

    730-N1-1-PV1-V1-E0

    ACCUMASS TRANSDUCER AIR 0-10SLPM
    Buy Surplus As Low As $660.00
    $660.00
    Repair Yours $560.00
    SIERRA INSTRUMENTS C12816 A-1538 0-10 SLPM

    SIERRA INSTRUMENTS

    C12816 A-1538 0-10 SLPM

    MASS FLOW CONTROLLER
    Buy Surplus As Low As $1,590.00
    $1,590.00
    Repair Yours $1,350.00
    SIERRA INSTRUMENTS 810C-NR-13-V4-S0

    SIERRA INSTRUMENTS

    810C-NR-13-V4-S0

    DIGITAL MASS FLOW CONTROLLER, POWER SUPPLY: 24 VDC +/-10%, 350 MA, REGULATED, ACCURACY: +/- 1.5% OF READING, REPEATABILITY: +/- 0.25% OF FULL SCALE, MASS FLOW RANGE TO 50 SLPM (NLPM) MAXIMUM ...
    $2,756.00 Buy Surplus As Low As $1,654.00
    $1,654.00
    Repair Yours $1,378.00
    SIERRA INSTRUMENTS 902M

    SIERRA INSTRUMENTS

    902M

    CONTROLLER BOX 2CHANNEL
    Buy Surplus As Low As $1,170.00
    $1,170.00
    Repair Yours $980.00
    SIERRA INSTRUMENTS 822S-H-4-OV1-PV2-V4-MP

    SIERRA INSTRUMENTS

    822S-H-4-OV1-PV2-V4-MP

    FLOWER METER TOP TRAK FOR AIR 500 PSIG
    $1,431.00 Buy Surplus As Low As $859.00
    $859.00
    Repair Yours $721.00
    SIERRA INSTRUMENTS 1892X

    SIERRA INSTRUMENTS

    1892X

    DUPLEX RECEPTACLE 15A 125V STRAIGHT BLADE BROWN
    Buy Surplus As Low As $26.00
    $26.00
    Next
    1 2 3