HM Digital PPH-1000 Single-Line pH & Temperature Controller with 4-20mA Output

HM Digital PPH-1000 Single-Line pH & Temperature ControllerThe HM Digital PPH-1000 is a professional-grade, single-line pH and temperature controller engineered for industrial and commercial water treatment systems. With a 4-20mA analog output, dual relay control, and automatic temperature compensation (ATC), the PPH-1000 delivers precise, continuous pH management for demanding applications — from chemical dosing systems to aquaculture, hydroponics, and process water control.Key Features 4-20mA output signal — integrates directly with PLCs, SCADA systems, and industrial controllers Dual relay control — two independently adjustable set points (High & Low) maintain your target pH range automatically Digital calibration — calibrate to any point with on-screen buttons; no manual potentiometers Automatic Temperature Compensation (ATC) — accurate readings from 1–60°C regardless of process temperature On-screen temperature display — monitor pH and temperature simultaneously on the bright LED display Includes ¾" pH electrode probe — 3m (9.8 ft.) cable for flexible installation Optional alarm output — configurable alert for out-of-range conditions Professional ApplicationsThe PPH-1000 is the go-to pH controller for: Commercial water treatment and chemical dosing systems Hydroponics and greenhouse nutrient management Aquaculture and fish farming pH regulation Industrial process water quality control Swimming pool and spa automated pH dosing Technical Specifications Model: PPH-1000 Manufacturer: HM Digital pH Range: 0.01 – 14.00 pH Accuracy: ±0.5% F.S. Resolution: 0.01 pH / 0.1°C (0.1°F) ATC Range: 1 – 60°C Calibration: Digital, any point Output Signal: 4-20mA Relay Controls: 2 (upper and lower limit) Relay Switching: 5A, 250VAC Alarm: Optional setting Display: Bright 5/8" LED Probe: ¾" electrode, 3m (9.8 ft.) cable Power: AC 110V / 220V Dimensions: 7.2 × 7.2 × 11.1 cm (2.8 × 2.8 × 4.4 in.) Weight: 235g (8.3 oz.) Country of Origin: South Korea SKU / MPN: PPH-1000 Barcode / UPC: 891144000878