Maximize your softener cycle time and minimize your regeneration cost.
Immediately signal hardness breakthrough to activate regeneration. Makes your water softening system more efficient and less costly. Reliable, simple and accurate- with automated calibration. Continuous monitoring in “real time”.
| Accuracy | ±25% of set point value |
| Alarm | 2 consectutive cycles above set point activate alarm. 1 cycle below set point cancels alarm. |
| Alarm points | 0.3 mg/L of CaCO₃ trip point |
| Certifications | NRTL certified to UL and CSA standards, and CE approved |
| Cycle Time | 2 average |
| Detector | Silicon photo detector |
| Dimensions (H x W x D) | 178 mm mm x 419 mm mm x 318 mm |
| Drain | ½ in. ID flexible hose |
| Enclosure Rating | IP62 |
| Fitting Type | Inlet: ¼-in. OD tube quick-disconnect fitting Outlet: ½-in. ID flexible hose |
| Light Source | LED with peak wavelenght of 610 nm |
| Maintenance Interval | Standardise and replenish reagents every 2 months using EDTA or high-level sample Replace pump tubes every 6 months |
| Material Enclosures | ABS plastic, large plastic windows to view alarm and reagents level |
| Measurement Method | Colorimetric, LED with peak wavelength of 610 nm |
| Mounting | Wall, Table or Panel Mount |
| Operating Humidity | 5 – 95%, non-condensing |
| Operating Temperature Range | 5 – 40 °C |
| Optical Path Length | 8.89 mm |
| Outputs | 1 SPDT relay |
| Power Requirements (Hz) | 50/60 Hz |
| Power Requirements (Voltage) | 115/230 VAC, 70 VA, 50/60 Hz, 1.25 A Fuse |
| Range | Hardness levels: 0.3, 1, 2, 5, 10, 20, 50, 100 ppm (expressed as mg/L CaCO3) |
| Reagent Consumption | 500 ml in each indicator and buffer every 2 months |
| Reagent Requirements | each of indicator and buffer. Replenish every two months for continuous operation. |
| Repeatability | ± 10 % of set point value in 0.3 – 2 mg/L ranges ± 4 % of set point value in 5 – 100 mg/L ranges |
| Sample Flow Rate | 50 – 500 mL/min |
| Sample Inlet Connection | 1/4-in. OD tube quick-disconnect fitting |
| Sample Pressure | 0.07 – 0.34 bar (0.10 bar is optimum) Sample conditioning: 0.10 – 5.17 bar |
| Service Interval | Standardize and replenish reagents every 2 months using EDTA or high-level sample Replace pump tubes every 6 months |
| Storage Conditions | -40 – 60 °C (-40 – 140 °F) |
| Warranty | 12 months |
| Weight | 11.3 kg (25 lbs) |
| What’s included? | SP510 Hardness Monitor, two month’s supply of reagents, an installation kit, a maintenance kit, Hach user manual. |

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