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Calibration Solutions
ERE Inc. supplies calibration solutions for pH meters, conductivity meters, and other water quality instruments. Our solutions include pH buffer standards, conductivity standards, ORP solutions, and cleaning solutions from trusted manufacturers. Essential for maintaining instr...
8 products
HA-6001
pH Millesimal Calibration Solutions with ± 0.002 pH Accuracy
Calibration Solution
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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-7051M
Hanna Instruments Sample Preparation Solutions (Soil & Solid/Semi-Solid pH) — HI7051 / HI70960
Electrolyte solution for soil/solid sample pH prep | Soil ratios 1:1, 1:2, 1:5 | Sizes: 30 mL, 230 mL, 500 mL | 5-yr shelf life (unopened) | Reagent-grade, tamper-sealed
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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-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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