LA-0171
Secchi Disk
20 cm diameter | Black & White quadrants | Calibrated line to 20 m | Marked at 0.5 m & 1 m intervals | Weighted parallel-sinking disk
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Water & Liquid Monitoring
ERE Inc. has instruments for monitoring water levels, pH, conductivity, salinity dissolved oxygen, temperature, and more. We offer fixed and portable instruments and have a knowledgeable customer service team available to help with selections.
89 products
HA-981420-01
Hanna Instruments GroLine Monitor for Hydroponic Nutrients HI981420
pH Range: 0.00 to 14.00 pH | EC Range: 0.00 to 10.00 mS/cm | Temperature Range: 0.0 to 60.0°C / 32.0 to 140.0°F | pH Resolution: 0.01 pH
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HA-710221
HA-710 Advanced Conductivity & TDS Controller
EC 0–199.9 µS to 0–199.9 mS | TDS 0–1000 ppm / 0–100 ppt | ±0.5% F.S. accuracy | ON/OFF, PI, PID control | 1/2 DIN 144×144×170 mm
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DBI-ALGE
Biological Activity Reaction Test (BART)
15 mL sample volume | Room temp incubation (22°C) | 4-year shelf life (sealed foil pouch) | 9 testers/field kit (N-BART: 7) | Sensitivity: 1 active cell per 15 mL
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BB-COLIPLATE
ColiPlate® Test Kit
96-well microplate format | 5–5,000 CFU/100 mL (no dilution) | 35°C / 24 h incubation | Coliform (blue color) + E. coli (fluorescence) | MPN quantification
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BB-WATERCHECK
Bacteria Test Kit
Detects Total Coliform + E. coli | Sensitivity: 1 CFU/100 mL | Sample Volume: 100 mL | Incubation: 24 h @ 35–37°C | Format: Single-use sterilized bag
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HA-9829-00041
9829 Multiparameter Water Quality Meter
pH 0–14 ±0.02 | DO 0–500% sat ±1.5% | EC 0–200 mS/cm ±1% | Turbidity 0–1000 FNU ±2% | IP67 meter / IP68 probe | 44,000-sample logger | Up to 140 h battery
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LA-4024-01
Digestion Tubes for Total Nitrogen and Total Phosphorous
Low TP: 0–3.5 mg/L | High TP: 0–100 mg/L | Method: Persulfate digestion | 25 tubes/package | Requires COD Heater Block (5-0102) + COD Adapter (1724)
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Model 660
SOLINST Drive-Point Profiler Model 660
1.75" (45 mm) dia. | Stainless steel | 4 mm LDPE or PTFE tubing | Peristaltic pump (Model 410) | Max water table depth 26 ft (8 m)
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HA-2020-01
Hanna Instruments edge® Multiparameter Meter
pH -2.000 to 16.000 | EC 0.00–500 mS/cm | DO 0.00–45.00 mg/L | 202×140×12.7 mm, 250 g | Data logging 1,000 records, 8-hr battery
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HA-70621L
Specific Application Cleaning Solutions
500 mL bottle | 5-year shelf life (unopened) | Application-specific formulas (cosmetic, food, dairy, agriculture, industrial) | Airtight tamper-proof bottle | Lot number and expiration date marked
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HA-7061L
Hanna Instruments Electrode Cleaning Solutions for pH & ORP Probes
500 mL per bottle | 5-year shelf life (unopened) | Formulations: General Purpose, Proteins, Inorganic Substances, Oil & Fats | FDA-compliant bottle variants available | Airtight tamper-proof seal with lot number & expiration date
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HA-70300L
Electrode Storage Solutions
500 mL | pH & ORP electrode storage | Reagent-grade KCl formulation | 5-year shelf life (unopened) | FDA-compliant bottle available (HI80300L)
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HA-93102-0
Turbidity Calibration Solutions
AMCO-AEPA-1 standard | 30 mL bottle | NIST traceable | Non-toxic polymer bead suspension | Ranges: 0/20 NTU (HI93102) & 0/10/500 FTU (HI93703)
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HA-7033L
Conductivity Calibration Solutions
84 / 1413 / 12880 µS/cm | NIST-traceable KCl | ISO 3696/BS3978 | 5-year shelf life (unopened) | 500 mL bottle or 20 mL sachets
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HA-7020L
ORP Test & Pretreatment Solutions
500 mL bottles | ORP values: 200/275 mV, 240 mV, 470 mV @ 25°C | Acceptance range ±10–20 mV | Reagent grade chemicals | 5-year shelf life (unopened)
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HA-9146-04
Portable DO Meter for Field Applications
O2 Range: 0.00 to 45.00 mg/L | % Saturation O2 Range: 0.0 to 300.0% | Temperature Range: 0.0 to 50.0°C | O2 Resolution: 0.01 mg/L
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HA-98703-01
Hanna Instruments Turbidity Portable Meter HI98703-01
Range: 0.00 to 9.99; 10.0 to 99.9 & 100 to 1000 NTU | Range Selection: Automatic | Accuracy : ±2% of reading plus 0.02 NTU | Measuring Mode: Normal, Average, Continuous
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HA-93414
Hanna Instruments Turbidity and Chlorine Portable Meter HI93414
Range: 0.00 to 2.50 mg/L (5.00 mg/L) | 100/Box
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LA-0075-SC
Multi-Range COD Reagent Systems
6 SKUs (0072–0077-SC) | Ranges: 5–150 / 50–1,500 / 500–15,000 mg/L COD | Mercury & mercury-free options | 25 vials/pack, 16 mm optical-quality | Digest 150°C ±2°C up to 2 hrs | EPA-approved method (mercury variants)
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