Environmental
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Kestrel 4000 Series Pocket Anemometer Case - Belt Clip
The Kestrel 4000 features a flip-top impeller cover that protects the only moving part of the 4000 - the impeller. The Kestrel 4000 also comes with a soft carry pouch, which protects the display from ... MORE INFO
Your Price: $19.90
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ExStik II Dissolved Oxygen Meter Replacement Electrode
Easy to replace screw on membrane cap. Features: Easy to replace ... MORE INFO
Your Price: $149.99
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ExStik II pH/Conductivity Replacement Electrode Module
Replacement electrode module for ExStick II pH/mV/Temperature Meter. Features: Cell module for EC500 Easy to replace ... MORE INFO
Your Price: $59.99
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ExStik Replacement Electrode Module
Available Replacement Electrode Versions: ORP | Refillable pH | Chlorine
ExStik ORP Meter, Replacement Electrode Module is a rugged, flat surface electrode provides "on-the-spot" measurements with an ExStik meter. Features: Interchangeable with ExStik ...
Starting At: $49.99
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ExStik Conductivity/TDS/Salinity Meter Spare Conductivity Cell
Spare Conductivity Cell for the ExStik Conductivity/TDS/Salinity Kit (#W411-3410) & ExStik Conductivity/TDS/Salinity Meter (#W405-8400). Note: ExStik Conductivity/TDS/Salinity Meter Spare Conductivity ... MORE INFO
Your Price: $39.99
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Extech Heavy Duty Dissolved Oxygen Meter DO Internal Fill Solution
DO Internal Fill Solution for Heavy Duty Dissolved Oxygen Meter w/ 13' cable (# W512-4075). ... MORE INFO
Your Price: $26.99
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Extech Heavy Duty Dissolved Oxygen Meter Replacement DO Probe
Replacement Dissolved Oxygen probe for Heavy Duty Dissolved Oxygen Meter w/ 13' cable (# W512-4075). ... MORE INFO
Your Price: $159.99
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Extech Heavy Duty Dissolved Oxygen Meter Replacement Membranes (10 pack)
10 pack of replacement membranes for Heavy Duty Dissolved Oxygen Meter w/ 13' cable (# W512-4075). ... MORE INFO
Your Price: $32.99
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Extech Waterproof Palm pH Meter Electrode , Stick Type
ATC pH stick type polycarbonate electrode (12mm diameter) for direct connection to meter.... MORE INFO
Your Price: $49.99
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Extech Waterproof Palm pH Meter Electrode, Cable Type
ATC pH polycarbonate electrode (12mm diameter) with 39" (1m) cable.... MORE INFO
Your Price: $49.99
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General Tools Digital pH and Temperature Pen Replacement Electrode
The Digital pH and Temperature Pen has a feature to tell you when the electrode needs to be replaced. Simply, place a flat object under the clip, pull up the tab to release the lock, push up the top ... MORE INFO
Your Price: $55.95
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Hanna ORP Testing Solution 200/275 mV @ 25ºC, 0.46 L
Check your ORP electrodes with Hanna test solutions. Bottle contains 460 mL. ... MORE INFO
Your Price: $34.95
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Hanna TDS Solution (1500 ppm) 20mL
TDS solution to calibrate TDS meters to 1500 ppm (mg/L). Features: Usage: up to 20 per package 10 TDS 10 pH Spec Summary: TDS Value at 77°F (25°C): 1500 ppm (mg/L)... MORE INFO
Your Price: $31.95
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Hanna TDS Solution (800 ppm) 20mL sachets (25pcs)
Hanna is one of the few manufacturers offering pre-formulated Total Dissolved Solids(TDS) solutions for lab and field calibration in 20 mL sachets. You'll receive twenty-five TDS @ 800 ppm sachets... MORE INFO
Your Price: $28.95
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Hanna Zero Oxygen Solution (500mL)
Oxygen meters are used to determine the quantity of dissolved oxygen in liquids. Two measurements scales are commonly utilized: parts per million (ppm): or the percentage saturation (%), which is defined ... MORE INFO
Your Price: $18.30
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Kestrel Computer Interface for the Kestrel 4000
The Kestrel® Interface is the ideal companion to the Kestrel 4000 Pocket Weather Tracker. With the optional computer interface, data can be uploaded for long-term storage, in-depth analysis and detailed ... MORE INFO
Your Price: $125.95
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Reagent Tablets For ExStik Chlorine Meter (100Pk)
Features: 1 tablet per test Foil packaging provides very stable environment with long shelf life No messy powder reagents No dosing equipment required If you cannot open the MSDS,... MORE INFO
Your Price: $129.99
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Environmental Accessories
Professional Equipment has many environmental accessories for pH meters and multi-gas monitors. We have buffer solutions, conductivity solutions, TDS solutions, pH electrodes and much more for you to choose from.














