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Charger for portable oxygen meter

Charger for portable oxygen meter

Induction charger for our portable oxygen meter. You only require one unit per site because the batteries in the oxygen meter last for 200 hours on-time between charges
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Shock protection boot for portable oxygen meter

Shock protection boot for portable oxygen meter

A soft plastic boot that fits arounnd our oxygen meter to give it some extra protection from shocks such as dropping the unit on a hard surface.
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Best Sellers

9 cubm/hr 3.00m long fine bubble air diffuser for waste water treatment

9 cubm/hr 3.00m long fine bubble air diffuser for waste water treatment

Fine bubble high performance air diffusers. Semi flexible diffuser construction 300cm long 32mm diameter. Maximum recommended air flowrate is 10 cubic metres of air per hour. Materials of construction are plastic with 316 stainless steel end fittings, aslo fitted with non return valve in diffuser. Diffuser contains its own internal fused silica bead ballast. End fittings are 1/2" acetyl plastic as standard.

The Dryden Air diffuser is the leading air diffuser used in UK aquaculture, treatment of leachate water on landfill sites, sewerage treatment and numerous other applications.


OEM and dealer enquires welcomed
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AFM grade 1 filtration media

AFM grade 1 filtration media

AFM (Advanced Filtration Media) grade 1 is the standard sized AFM media equivalent to 16 x 30 grade sand. M

Supplied in 25kg sacks, grade 1 particle size 0.5mm to 1.10mm. Media should be used on top of a layer of grade 2 AFM.

Price is per 25kg sack

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Oxygen standard probe

Oxygen standard probe

High performance, very robust galvanic oxygen probe for the measurment of dissolved oxygen in water, waste water and air. Completely sealed internals, so there is no risk of insulation failure, heavy duty Sub Sea cable, high mv out-put 8 mv to approx 1mg/l dissolved oxygen. Ideal probe for your own oxygen monitors such as multichannel or stand-alone PLC based systems.

The probe is supplied with 5 meters of cable (alternative lengths available), pack of 5 membranes and 50ml of electrolyte.

Please enquire about discounts for orders of 10 or more.
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Filter elements for reverse osmosis unit

Our reverse osmosis unit is fitted with 5 stage filtration system in which one of the stages is the reverse osmosis unit. The other four stages included a sediment filter and three carbon filters. The filters (excluding the reverse osmosis) should all be changed at the same time from 6 months to 12 months. If your water is hard and contains a high chlorine concentration, then it is recommended that it is changed every 6 months. The price of the product in this section, includes stage 1, 2, 3 & 5 elements. Stage 4 is the reverse osmosis membrane.
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Aquaculture | Water Technology | Environmental Products.....delivered worldwide

Float switches

dry1 | Float switches & pressure switches | Float switches

Tear drop float LR02 (standard) with 5m of cable

Tear drop float LR02 (standard) with 5m of cable

Ref: 10.1.19


Price: £54.85 / €63.08 (Excluding VAT at 17.5%)

Tear drop water level float switch, the float switch measures approximately 125mm in diameter., total weight including cable 1.3kg .
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Tear drop float LR02 (standard) with 10m of cable

Tear drop float LR02 (standard) with 10m of cable

Ref: 10.1.25


Price: £63.02 / €72.47 (Excluding VAT at 17.5%)

Tear drop water level float switch, the float switch measures approximately 125mm in diameter. , total weight including cable 1.8kg
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Tear drop float LR02 (standard) with 20m of cable

Tear drop float LR02 (standard) with 20m of cable

Ref: 10.1.31


Price: £79.36 / €91.26 (Excluding VAT at 17.5%)

Tear drop water level float switch, the float switch measures approximately 125mm in diameter. , total weight including cable 2.8kg
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Tear drop float LR02 (intrinsically safe) with 5m of cable

Tear drop float LR02 (intrinsically safe) with 5m of cable

Ref: 10.1.19.s


Price: £56.31 / €64.76 (Excluding VAT at 17.5%)

Tear drop water level float switch, the float switch measures approximately 125mm in diameter., total weight including cable 1.3kg . The switch can not be used with main power supply. Low voltage, Ui = 30V, Ii=100mA 8v, 8mA dc minimum contact rating.

In order to use this float switch a low voltage is used with the switch which is then used to activate a relay in a safe location. The relay is then interfaced with your equipment.
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Tear drop float LR02 (intrinsically safe) with 10m of cable

Tear drop float LR02 (intrinsically safe) with 10m of cable

Ref: 10.1.25.s


Price: £66.13 / €76.05 (Excluding VAT at 17.5%)

Tear drop water level float switch, the float switch measures approximately 125mm in diameter. , total weight including cable 1.8kg
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Tear drop float LR02 (intrinsically safe) with 20m of cable

Tear drop float LR02 (intrinsically safe) with 20m of cable

Ref: 10.1.31.s


Price: £83.31 / €95.81 (Excluding VAT at 17.5%)

Tear drop water level float switch, the float switch measures approximately 125mm in diameter. , total weight including cable 2.8kg
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standard float LR03 switch 10m cable

standard float LR03 switch 10m cable

Ref: 10.1.37


Price: £19.83 / €22.80 (Excluding VAT at 17.5%)

This is a standard general purpose low cost float switch. The cable is PVC. A pivot point weight can be added to the cable if required.

The float switch is rated for 240v ac 10 amp inductive load,

The float switch can switch small pumps on and off directly, however it possible it is always best to use a low control voltage which is used to activate a remote relay. The remote relay can then switch heavy loads such as pumps on or off.
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weight for float switch

weight for float switch

Ref: 10.1.371


Price: £4.29 / €4.93 (Excluding VAT at 17.5%)

Weight for the standard float switch 10.1.37
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dry1 > Float switches & pressure switches > Float switches

Prices shown are all ex-works Edinburgh Scotland