Product Search

    SEARCH NOW FOR ALL YOUR AQUAMETRIX BY WATER ANALYTICS SOLUTIONS

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

    Sensors & Switches / PH/ORP Transmitter

    Radwell is 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
    Results 1-50 of 369.
    AQUAMETRIX BY WATER ANALYTICS PTXR8F-015

    AQUAMETRIX BY WATER ANALYTICS

    PTXR8F-015

    FIXED INSERTION DIFFERENTIAL PH PROBE, BLACK PPS (RYTON)MATERIAL, 4-20MA OUTPUT, RS-485, PROCESS CONNECTION: 1-1/2" NPT, CABLE 15'(4.57M), BUILT IN PRE-AMP, MODEL PTXR8-015
    ✓ IN STOCK!
    €1,157.16 Price with VAT: €1,377.02 Buy New €1,157.16 Price with VAT: €1,377.02
    €694.83 Price with VAT: €826.85
    AQUAMETRIX BY WATER ANALYTICS R65R5-015

    AQUAMETRIX BY WATER ANALYTICS

    R65R5-015

    ACCURATE DIFFERENTIAL MEASUREMENT, ORP SENSOR, TWO WIRE TRANSMITTER, 4-20 MA OUTPUT, FIXED INSERTION, 1.0" NPT THREADED ENDS, PPS (RYTON), STANDARD 15FT (4.5M) CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As €455.51 Price with VAT: €542.06
    €455.51 Price with VAT: €542.06
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS R60C-8

    AQUAMETRIX BY WATER ANALYTICS

    R60C-8

    DISCONTINUED BY MANUFACTURER, SENSOR PROBE, ORP, 5WIRE, 1.5NPT
    ✓ IN STOCK!
    Buy Surplus As Low As €167.55 Price with VAT: €199.38
    €167.55 Price with VAT: €199.38
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P575T1-015

    AQUAMETRIX BY WATER ANALYTICS

    P575T1-015

    SENSOR, PH SENSOR, 1" MNPT THREADED ENDS, FIXED INSERTION, PT1000RTD - STANDARD FOR ALL 500-SERIES SENSORS, STANDARD 15FT (4.5M) CABLE
    ✓ IN STOCK!
    €504.52 Price with VAT: €600.38 Buy New €504.52 Price with VAT: €600.38
    €236.65 Price with VAT: €281.61
    AQUAMETRIX BY WATER ANALYTICS P-60C-6

    AQUAMETRIX BY WATER ANALYTICS

    P-60C-6

    SENSOR PH/ORP DIFFERENTIAL PROBE
    ✓ IN STOCK!
    €479.60 Price with VAT: €570.72 Buy New €479.60 Price with VAT: €570.72
    €160.31 Price with VAT: €190.76
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P585T1-015

    AQUAMETRIX BY WATER ANALYTICS

    P585T1-015

    STANDARD 585 COMBINATION PH SENSOR - DOUBLE JUNCTION - 3/4" MNPT VARIABLE INSERTION - FLOW THRU OR SUBMERSION - PT1000RTD ATC DEVICE - TINNED WIRE LEADS - 15FT. (4.5M) CABLE
    ✓ IN STOCK!
    €530.55 Price with VAT: €631.36 Buy New €530.55 Price with VAT: €631.36
    €318.69 Price with VAT: €379.24
    AQUAMETRIX BY WATER ANALYTICS P60R8-015

    AQUAMETRIX BY WATER ANALYTICS

    P60R8-015

    ACCURATE DIFFERENTIAL MEASUREMENT, PH SENSOR, STANDARD 5-WIRE SENSOR, FIXED INSERTION, 1.5" NPT THREADED ENDS, PPS (RYTON), STANDARD 15FT (4.5M) CABLE
    ✓ IN STOCK!
    €833.22 Price with VAT: €991.53 Buy New €833.22 Price with VAT: €991.53
    €502.65 Price with VAT: €598.16
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS R65R5A-1670

    AQUAMETRIX BY WATER ANALYTICS

    R65R5A-1670

    60 AND 65 SERIES DIFFERENTIAL PH OR ORP SENSORS
    €4,370.99 Price with VAT: €5,201.47 Buy New €4,370.99 Price with VAT: €5,201.47
    €2,623.13 Price with VAT: €3,121.53
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS R65C7G-750

    AQUAMETRIX BY WATER ANALYTICS

    R65C7G-750

    60 AND 65 SERIES DIFFERENTIAL PH OR ORP SENSORS
    €2,412.17 Price with VAT: €2,870.48 Buy New €2,412.17 Price with VAT: €2,870.48
    €1,448.02 Price with VAT: €1,723.14
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS R65C7A-750

    AQUAMETRIX BY WATER ANALYTICS

    R65C7A-750

    60 AND 65 SERIES DIFFERENTIAL PH OR ORP SENSORS
    €2,515.40 Price with VAT: €2,993.33 Buy New €2,515.40 Price with VAT: €2,993.33
    €1,509.96 Price with VAT: €1,796.85
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS R65C7A-100

    AQUAMETRIX BY WATER ANALYTICS

    R65C7A-100

    60 AND 65 SERIES DIFFERENTIAL PH OR ORP SENSORS
    €1,167.93 Price with VAT: €1,389.84 Buy New €1,167.93 Price with VAT: €1,389.84
    €701.12 Price with VAT: €834.33
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-60-C-7-G-030

    AQUAMETRIX BY WATER ANALYTICS

    P-60-C-7-G-030

    65 SERIES - VARIABLE INSERTION / HOT TAP DIFFERENTIAL PH / ORP SENSOR
    €835.78 Price with VAT: €994.57 Buy New €835.78 Price with VAT: €994.57
    €501.82 Price with VAT: €597.17
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS PT65R8F-1880

    AQUAMETRIX BY WATER ANALYTICS

    PT65R8F-1880

    60 AND 65 SERIES DIFFERENTIAL PH OR ORP SENSORS
    €4,807.28 Price with VAT: €5,720.66 Buy New €4,807.28 Price with VAT: €5,720.66
    €2,884.37 Price with VAT: €3,432.40
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS PT65R8 -500

    AQUAMETRIX BY WATER ANALYTICS

    PT65R8 -500

    60 AND 65 SERIES DIFFERENTIAL PH OR ORP SENSORS
    €1,862.76 Price with VAT: €2,216.69 Buy New €1,862.76 Price with VAT: €2,216.69
    €1,117.66 Price with VAT: €1,330.01
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS PT65R8-050

    AQUAMETRIX BY WATER ANALYTICS

    PT65R8-050

    ACCURATE DIFFERENTIAL MEASUREMENT, PH SENSOR, DUAL OUTPUT TRANSMITTER PH/ORP AND TEMPERATURE (R8 ONLY), FIXED INSERTION, 1.5" NPT THREADED ENDS, PPS (RYTON), EXTENDED 50FT (15.24M) CABLE
    €1,095.22 Price with VAT: €1,303.31 Buy New €1,095.22 Price with VAT: €1,303.31
    €657.13 Price with VAT: €781.98
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS RTXR8-M12

    AQUAMETRIX BY WATER ANALYTICS

    RTXR8-M12

    MODEL RTXR8 FIXED INSERTION SMART DIFFERENTIAL ORP PROBE - M12 CONNECTOR NON-SUBMERSIBLE, 4-20MA OUTPUT BUILT-IN - 1-1/2" NPT THREADED ENDS, GLI LCP REPLACEMENT PROBE - BUILT-IN PRE AMPLIFIE ...
    €1,167.93 Price with VAT: €1,389.84 Buy New €1,167.93 Price with VAT: €1,389.84
    €701.12 Price with VAT: €834.33
    AQUAMETRIX BY WATER ANALYTICS P-60-C-7-H-030

    AQUAMETRIX BY WATER ANALYTICS

    P-60-C-7-H-030

    61 SERIES - VARIABLE INSERTION / HOT TAP DIFFERENTIAL PH / ORP SENSOR
    €835.78 Price with VAT: €994.57 Buy New €835.78 Price with VAT: €994.57
    €501.82 Price with VAT: €597.17
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-60-C-7-H

    AQUAMETRIX BY WATER ANALYTICS

    P-60-C-7-H

    61 SERIES - VARIABLE INSERTION / HOT TAP DIFFERENTIAL PH / ORP SENSOR
    €773.83 Price with VAT: €920.86 Buy New €773.83 Price with VAT: €920.86
    €465.02 Price with VAT: €553.37
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-65-R-8-A

    AQUAMETRIX BY WATER ANALYTICS

    P-65-R-8-A

    60 SERIES - FIXED INSERTION DIFFERENTIAL PH / ORP SENSOR
    €886.95 Price with VAT: €1,055.46 Buy New €886.95 Price with VAT: €1,055.46
    €532.35 Price with VAT: €633.49
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS R-60-C-6-H-030

    AQUAMETRIX BY WATER ANALYTICS

    R-60-C-6-H-030

    120 SERIES - VARIABLE INSERTION / HOT TAP DIFFERENTIAL PH / ORP SENSOR
    €788.20 Price with VAT: €937.95 Buy New €788.20 Price with VAT: €937.95
    €473.10 Price with VAT: €562.99
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS R-60-C-6-F-030

    AQUAMETRIX BY WATER ANALYTICS

    R-60-C-6-F-030

    122 SERIES - VARIABLE INSERTION / HOT TAP DIFFERENTIAL PH / ORP SENSOR
    €788.20 Price with VAT: €937.95 Buy New €788.20 Price with VAT: €937.95
    €473.10 Price with VAT: €562.99
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-65-C-5-A-025

    AQUAMETRIX BY WATER ANALYTICS

    P-65-C-5-A-025

    60 SERIES - FIXED INSERTION DIFFERENTIAL PH / ORP SENSOR
    €991.98 Price with VAT: €1,180.45 Buy New €991.98 Price with VAT: €1,180.45
    €595.19 Price with VAT: €708.27
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-60-R-8-A

    AQUAMETRIX BY WATER ANALYTICS

    P-60-R-8-A

    60 SERIES - FIXED INSERTION DIFFERENTIAL PH / ORP SENSOR
    €788.20 Price with VAT: €937.95 Buy New €788.20 Price with VAT: €937.95
    €473.10 Price with VAT: €562.99
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-T65-C-5-G-030

    AQUAMETRIX BY WATER ANALYTICS

    P-T65-C-5-G-030

    60 SERIES - FIXED INSERTION DIFFERENTIAL PH / ORP SENSOR
    €954.27 Price with VAT: €1,135.59 Buy New €954.27 Price with VAT: €1,135.59
    €572.74 Price with VAT: €681.57
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-65-R-8-G-030

    AQUAMETRIX BY WATER ANALYTICS

    P-65-R-8-G-030

    60 SERIES - FIXED INSERTION DIFFERENTIAL PH / ORP SENSOR
    €846.55 Price with VAT: €1,007.39 Buy New €846.55 Price with VAT: €1,007.39
    €508.11 Price with VAT: €604.65
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-65-C-5-G

    AQUAMETRIX BY WATER ANALYTICS

    P-65-C-5-G

    60 SERIES - FIXED INSERTION DIFFERENTIAL PH / ORP SENSOR
    €835.78 Price with VAT: €994.57 Buy New €835.78 Price with VAT: €994.57
    €501.82 Price with VAT: €597.17
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-65-C-5-F-025

    AQUAMETRIX BY WATER ANALYTICS

    P-65-C-5-F-025

    60 SERIES - FIXED INSERTION DIFFERENTIAL PH / ORP SENSOR
    €886.95 Price with VAT: €1,055.46 Buy New €886.95 Price with VAT: €1,055.46
    €532.35 Price with VAT: €633.49
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-60-C-6-H-050

    AQUAMETRIX BY WATER ANALYTICS

    P-60-C-6-H-050

    72 SERIES - VARIABLE INSERTION / HOT TAP DIFFERENTIAL PH / ORP SENSOR
    €830.39 Price with VAT: €988.16 Buy New €830.39 Price with VAT: €988.16
    €498.23 Price with VAT: €592.90
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS R-60-C-5-A-045

    AQUAMETRIX BY WATER ANALYTICS

    R-60-C-5-A-045

    99 SERIES - FIXED INSERTION DIFFERENTIAL PH / ORP SENSOR
    €933.63 Price with VAT: €1,111.02 Buy New €933.63 Price with VAT: €1,111.02
    €560.18 Price with VAT: €666.61
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P65R8-015

    AQUAMETRIX BY WATER ANALYTICS

    P65R8-015

    DISCONTINUED BY MANUFACTURER, ACCURATE DIFFERENTIAL MEASUREMENT, PH SENSOR, TWO WIRE TRANSMITTER, 4-20 MA OUTPUT, FIXED INSERTION, 1.5" NPT THREADED ENDS, PPS (RYTON), STANDARD 15FT CABLE
    Buy Surplus As Low As €743.31 Price with VAT: €884.54
    €743.31 Price with VAT: €884.54
    AQUAMETRIX BY WATER ANALYTICS R-T65-R-8-A-045

    AQUAMETRIX BY WATER ANALYTICS

    R-T65-R-8-A-045

    98 SERIES - FIXED INSERTION DIFFERENTIAL PH / ORP SENSOR
    €1,036.86 Price with VAT: €1,233.87 Buy New €1,036.86 Price with VAT: €1,233.87
    €622.12 Price with VAT: €740.32
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS R-65-R-8-A-040

    AQUAMETRIX BY WATER ANALYTICS

    R-65-R-8-A-040

    97 SERIES - FIXED INSERTION DIFFERENTIAL PH / ORP SENSOR
    €970.43 Price with VAT: €1,154.82 Buy New €970.43 Price with VAT: €1,154.82
    €582.62 Price with VAT: €693.32
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS R-65-C-7-G

    AQUAMETRIX BY WATER ANALYTICS

    R-65-C-7-G

    131 SERIES - VARIABLE INSERTION / HOT TAP DIFFERENTIAL PH / ORP SENSOR
    €903.10 Price with VAT: €1,074.69 Buy New €903.10 Price with VAT: €1,074.69
    €542.22 Price with VAT: €645.24
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS R-60-C-6-G-050

    AQUAMETRIX BY WATER ANALYTICS

    R-60-C-6-G-050

    136 SERIES - VARIABLE INSERTION / HOT TAP DIFFERENTIAL PH / ORP SENSOR
    €830.39 Price with VAT: €988.16 Buy New €830.39 Price with VAT: €988.16
    €498.23 Price with VAT: €592.90
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-T65-R-8-A-025

    AQUAMETRIX BY WATER ANALYTICS

    P-T65-R-8-A-025

    60 SERIES - FIXED INSERTION DIFFERENTIAL PH / ORP SENSOR
    €996.47 Price with VAT: €1,185.80 Buy New €996.47 Price with VAT: €1,185.80
    €597.88 Price with VAT: €711.48
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-65-C-7-G-030

    AQUAMETRIX BY WATER ANALYTICS

    P-65-C-7-G-030

    71 SERIES - VARIABLE INSERTION / HOT TAP DIFFERENTIAL PH / ORP SENSOR
    €965.94 Price with VAT: €1,149.47 Buy New €965.94 Price with VAT: €1,149.47
    €579.93 Price with VAT: €690.11
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-60-C-7-H-060

    AQUAMETRIX BY WATER ANALYTICS

    P-60-C-7-H-060

    97 SERIES - VARIABLE INSERTION / HOT TAP DIFFERENTIAL PH / ORP SENSOR
    €898.62 Price with VAT: €1,069.35 Buy New €898.62 Price with VAT: €1,069.35
    €539.53 Price with VAT: €642.04
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-60-C-6-G-050

    AQUAMETRIX BY WATER ANALYTICS

    P-60-C-6-G-050

    76 SERIES - VARIABLE INSERTION / HOT TAP DIFFERENTIAL PH / ORP SENSOR
    €830.39 Price with VAT: €988.16 Buy New €830.39 Price with VAT: €988.16
    €498.23 Price with VAT: €592.90
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P60C-8

    AQUAMETRIX BY WATER ANALYTICS

    P60C-8

    DISCONTINUED BY MANUFACTURER, SENSOR, FIXED INSERTION DIFFERENTIAL, 1.5INCH NPT, REPLACED BY P60R8-015
    Buy Surplus As Low As €538.63 Price with VAT: €640.97
    €538.63 Price with VAT: €640.97
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P-65-C-6-F-060

    AQUAMETRIX BY WATER ANALYTICS

    P-65-C-6-F-060

    104 SERIES - VARIABLE INSERTION / HOT TAP DIFFERENTIAL PH / ORP SENSOR
    €981.21 Price with VAT: €1,167.63 Buy New €981.21 Price with VAT: €1,167.63
    €588.90 Price with VAT: €700.79
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P60C7G-050

    AQUAMETRIX BY WATER ANALYTICS

    P60C7G-050

    60 AND 65 SERIES DIFFERENTIAL PH OR ORP SENSORS
    €857.32 Price with VAT: €1,020.21 Buy New €857.32 Price with VAT: €1,020.21
    €514.39 Price with VAT: €612.13
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS R-65-R-8-H-030

    AQUAMETRIX BY WATER ANALYTICS

    R-65-R-8-H-030

    60 SERIES - FIXED INSERTION DIFFERENTIAL PH / ORP SENSOR
    €846.55 Price with VAT: €1,007.39 Buy New €846.55 Price with VAT: €1,007.39
    €508.11 Price with VAT: €604.65
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS PT65R8F-050

    AQUAMETRIX BY WATER ANALYTICS

    PT65R8F-050

    SENSOR, PH SENSOR, DUAL OUTPUT TRANSMITTER PH/ORP AND TEMPERATURE (R8 ONLY), FIXED INSERTION, 1.5" NPT THREADED ENDS, RYTON, FLAT FACED GLASS ELECTRODE FOR PH SENSORS, EXTENDED 50FT (15.24M) ...
    €1,198.45 Price with VAT: €1,426.16 Buy New €1,198.45 Price with VAT: €1,426.16
    €719.07 Price with VAT: €855.70
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS PT65R8 -1670

    AQUAMETRIX BY WATER ANALYTICS

    PT65R8 -1670

    60 AND 65 SERIES DIFFERENTIAL PH OR ORP SENSORS
    €4,288.40 Price with VAT: €5,103.19 Buy New €4,288.40 Price with VAT: €5,103.19
    €2,573.76 Price with VAT: €3,062.77
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS PT65R8 -1200

    AQUAMETRIX BY WATER ANALYTICS

    PT65R8 -1200

    60 AND 65 SERIES DIFFERENTIAL PH OR ORP SENSORS
    €3,314.37 Price with VAT: €3,944.10 Buy New €3,314.37 Price with VAT: €3,944.10
    €1,989.34 Price with VAT: €2,367.32
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P65R8G-500

    AQUAMETRIX BY WATER ANALYTICS

    P65R8G-500

    60 AND 65 SERIES DIFFERENTIAL PH OR ORP SENSORS
    €1,841.22 Price with VAT: €2,191.05 Buy New €1,841.22 Price with VAT: €2,191.05
    €1,105.09 Price with VAT: €1,315.06
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P65R8F-050

    AQUAMETRIX BY WATER ANALYTICS

    P65R8F-050

    SENSOR, PH SENSOR, TWO WIRE TRANSMITTER, 4-20 MA OUTPUT, FIXED INSERTION, 1.5" NPT THREADED ENDS, RYTON, FLAT FACED GLASS ELECTRODE FOR PH SENSORS, EXTENDED 50FT (15.24M) CABLE
    €1,095.22 Price with VAT: €1,303.31 Buy New €1,095.22 Price with VAT: €1,303.31
    €657.13 Price with VAT: €781.98
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P65R8A-050

    AQUAMETRIX BY WATER ANALYTICS

    P65R8A-050

    SENSOR, PH SENSOR, TWO WIRE TRANSMITTER, 4-20 MA OUTPUT, FIXED INSERTION, 1.5" NPT THREADED ENDS, RYTON, ANTIMONY ELECTRODE FOR PH SENSORS, EXTENDED 50FT (15.24M) CABLE
    €1,198.45 Price with VAT: €1,426.16 Buy New €1,198.45 Price with VAT: €1,426.16
    €719.07 Price with VAT: €855.70
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P65R5 -500

    AQUAMETRIX BY WATER ANALYTICS

    P65R5 -500

    60 AND 65 SERIES DIFFERENTIAL PH OR ORP SENSORS
    €1,758.63 Price with VAT: €2,092.77 Buy New €1,758.63 Price with VAT: €2,092.77
    €1,055.72 Price with VAT: €1,256.30
    Repair Yours Contact Us
    AQUAMETRIX BY WATER ANALYTICS P65C7H-1000

    AQUAMETRIX BY WATER ANALYTICS

    P65C7H-1000

    60 AND 65 SERIES DIFFERENTIAL PH OR ORP SENSORS
    €2,931.05 Price with VAT: €3,487.95 Buy New €2,931.05 Price with VAT: €3,487.95
    €1,758.63 Price with VAT: €2,092.77
    Repair Yours Contact Us
    Next
    1 2 3 4 5 6 7 8