Lab-grade pH accuracy in RO, DI, and low-ionic-strength water — built for commercial cultivation.
The Apera PH60-PW (SKU AI3723) pairs the PH60 handheld meter body with the Swiss-made LabSen 805 pH/temperature electrode — engineered specifically for accurate, stable readings in pure and low-ionic-strength water sources including RO, distilled, deionized, boiler, and well water where standard electrodes typically drift or jump.
The PH60-PW is a purpose-matched kit: Apera's PH60 handheld meter body mated to the Swiss LabSen 805 pH/temperature combination electrode. The pairing addresses a specific measurement problem — standard pH electrodes produce erratic, jumping readings in pure, low-ionic-strength water because the reference junction can't maintain a stable potential without sufficient dissolved ions. The LabSen 805 is engineered around that problem.
The electrode uses triple ceramic junctions that ensure rapid electrolyte discharge for fast response in pure water, and an L-type olive-shape membrane with an ultra-low resistance formula (under 50 MΩ) and large hydrogen ion sensing area. That combination stabilizes readings in distilled, RO, DI, drinking, boiler, surface, storm, and well water — the exact water types that defeat conventional probes. The electrode body is lead-free glass construction with Swiss sensor technology and materials.
Any licensed cannabis or hemp cultivation facility that mixes nutrients into RO or deionized source water needs a meter that can accurately read pH before ions are added — the baseline check that a standard probe can't reliably perform. The PH60-PW handles that pre-mix check as well as post-mix verification across the full -2.00 to 16.00 pH range.
It's equally relevant for quality control in recirculating hydro and coco systems where source water is regularly tested independently of the reservoir, for water treatment monitoring at the point of entry, and for any operator pulling from well or surface water where ionic content varies run to run. The IP67 waterproof rating and rugged carry case make it practical for daily floor use, not just a lab bench.
The LabSen 805 electrode's Long-Life Reference System is designed to maintain reference potential stability over a longer service life than standard Ag/AgCl reference systems — a meaningful factor in total cost of ownership when you're running daily measurements across a large grow. The meter body supports up to 3-point automatic calibration (pH 4.00, 7.00, 10.01) with automatic recognition of five buffer types, so calibration is consistent and operator-independent.
The PH60 meter body features a large 3-color backlit LCD: blue during active measurement, green during calibration, and red when a reading exceeds a user-set alarm threshold — a practical workflow tool for growers who have set pH limits and want instant out-of-range alerts without having to read a number. Auto Temperature Compensation operates across 0–50°C. Battery life on the PH60 platform runs up to 2,000 hours. The meter also includes a self-diagnosis function and auto reading lock.
The complete kit ships with ready-to-use calibration buffer solutions at pH 4.00, 7.00, and 10.01; electrode soaking solution; Apera's CalPod Solution Organizer for managing calibration workflow; and all components housed in a rugged carry case. It is ready to calibrate and use immediately out of the box.
In a commercial cultivation environment, pH monitoring typically happens at multiple points: incoming source water, mixed reservoir, fertigation line, and runoff. Most facilities use RO or DI water as their source — and that's exactly where a standard consumer-grade pH pen fails. The PH60-PW fills the source-water measurement gap with a portable, field-durable instrument rather than requiring a dedicated bench meter for one check.
The replaceable electrode design also matters operationally: when the LabSen 805 reaches end of service life, the meter body continues in use. Replacement electrodes are available separately, keeping the capital cost of the meter body a one-time expense. For facilities scaling canopy or adding new production rooms, having additional PH60-PW kits on hand per zone is a straightforward approach to preventing a single meter becoming a bottleneck in the daily IPM and fertigation workflow.
| SKU | AI3723 |
| Electrode | Apera LabSen 805 Swiss glass-body pH/Temp. combination electrode |
| pH Range | -2.00 to 16.00 pH |
| pH Accuracy | ±0.01 pH |
| Temperature Accuracy | ±0.5°C |
| Auto Temperature Compensation (ATC) | 0–50°C |
| Calibration | 1–3 point auto calibration; auto buffer recognition (1.68, 4.00, 7.00, 10.01, 12.45) |
| Electrode Junction | Triple ceramic junctions; L-type olive-shape membrane; <50 MΩ resistance |
| Waterproof Rating | IP67 |
| Display | 3-color backlit LCD (blue / green / red); dual pH + temperature readout |
| Warranty | 2 years (meter body); 6 months (electrode) |
| Kit Contents | PH60 meter, LabSen 805 electrode, pH 4.00/7.00/10.01 calibration buffers, soaking solution, CalPod Solution Organizer, rugged carry case |
Standard pH electrodes rely on dissolved ions in the sample to complete the reference junction circuit. In low-ionic-strength water like RO or DI, there aren't enough ions to maintain a stable junction potential, which causes readings to drift or jump unpredictably. The LabSen 805's triple ceramic junctions and low-resistance L-type membrane are specifically designed to stabilize the reference system in those conditions.
The LabSen 805 electrode is optimized for pure and low-ionic-strength water but also performs accurately in general water solutions. It will read a mixed nutrient reservoir correctly. The -2.00 to 16.00 pH range covers all commercially relevant fertigation and runoff pH levels.
The PH60 supports up to 3-point automatic calibration using pH 4.00, 7.00, and 10.01 buffers, with automatic buffer recognition. For commercial cultivation, single-point calibration at pH 7.00 daily is a common practice; 2-point calibration bracketing your target range (typically pH 5.5–6.5 for cannabis) adds accuracy. Calibration buffers at all three points are included in the kit.
The PH60 meter lets you set high and low pH threshold limits. When a measurement falls outside those limits, the LCD backlight switches to red and triggers an alert. For a cultivation facility with defined acceptable pH windows, this eliminates the need to visually interpret a number on every check — an out-of-range reading is immediately obvious.
Yes — the LabSen 805 is a replaceable electrode. Apera warrants the electrode for six months from delivery, which is standard for glass pH electrodes in commercial use. Actual service life depends on frequency of use and proper storage in soaking solution between sessions. The meter body carries a separate two-year warranty and continues in service when the electrode is replaced.
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