GroLine Nutrient Dosing System (HI981413)
Product details
| Management number | 250467319 | Release Date | 2026/09/17 | List Price | US$161.00 | Model Number | 250467319 | ||
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HI981413 Nutrient Dosing System
The HI981413 Nutrient Dosing System is engineered for maintaining the concentration of fertilizer in the nutrient solution used in hydroponics and irrigation water. The nutrient concentration in the water used for irrigation is critical for the successful propagation and growth of plants. Simply insert the probe and injection valve in-line with the recirculation pump and provide the chemical to be dosed.
- Available in multiple configurations for easily integration into your setup.
- Programmable alarm system and multicolored LCD display.
- Perfect for small hydroponics systems.
Peristaltic Dosing Pump
The powerful built-in peristaltic pump uses a stepper motor which does not have any gears or brushes providing for a long life with little maintenance.
Automatic Proportional Pump Control
The peristaltic dosing pump can be controlled by simple on/off or more advanced proportional control which helps prevents overshooting of the set point.
Adjustable Flow Rate
The dosing pump flow rate is adjustable from 0.5 to 3.5L/h, allowing for better control in maintaining a desired set point.
Acid Tank Level/Flow Switch Input
A connection to an optional level controller or flow switch. This input can be used to disable the dosing pump when there is no chemical left in the reservoir tank or there is no flow due to the pump being turned off.
Multicolored LCD Display
A multi-colored LCD provides a quick way to see the status of the pool controller. The display will show green when operation normally and red while in an alarm state.
Quick Connect Probe Input
The Quick Connect DIN connector creates a waterproof seal with the meter making it ideal for reducing electrical noise issues with the connection caused by humid environments.
GroLine EC/Temperature Probe
Additional Info
- Manual
Specs
Temperature Resolution: 0.1°C (0.1°F)
Temperature Accuracy: (@25°C/77°F) ±0.5°C (±0.9°F)
EC Range: 0.00 to 10.00 mS/cm
EC Resolution: 0.01 mS/cm
EC Accuracy (@25°C/77°F): ±2% F.S.
TDS Range:
- 0 to 4500 ppm (TDS conversion factor 0.45)
- 0 to 9900 ppm (TDS conversion factor 0.99)
TDS Accuracy (@25°C/77°F): ±2% F.S.
TDS Conversion Factor: TDS conversion factor selectable from 0.45 to 0.99
Temperature Compensation: automatic
Temperature Coefficient: β can be set from 0%/°C to 2.4%/°C; default is 1.9%/°C
Calibration:
- EC: user calibration: automatic, one-point with standard solution (1.413 or 5.000 mS/cm)
- Process calibration: single point, adjustable (±0.50 mS/cm around measured value)
- TDS: through EC calibration
- selectable flow rate (0.5 to 3.5 L / hour; 0.13 to 0.92 G/hour)
- manual control for pump priming
- high and low with enable / disable option
- triggered after 5 sec. if controller records a set of consecutive readings over / under threshold values level with enable / disable option
- overtime protection (1 to 180 min. or off)
- intuitive alarm system using red, light green, and green color-coded backlight
- HI981413-00 is supplied with HI30033 EC/TDS/temperature probe, conductivity calibration solution, 20 mL (3), power connection cable, instruction manual and quality certificates for instrument and probe.
- HI981413-10 (with in-line mounting kit) is supplied with HI981413 controller, HI30033 EC/TDS/temperature probe, controller aspiration filter, controller injector, 1/2” thread, saddle for Ø 50 mm pipe (2), aspiration PVC tube (flexible) (5 m), dispensing PE injection tube (rigid) (5 m), valves (2), conductivity calibration solution, 20 mL (3), power connection cable, instruction manual and quality certificates for instrument and probe.
- HI981413-20 (with flow-cell mounting kit) is supplied with HI981413 controller, HI30033 pH/temperature probe, flow cell for HI981413/BL101, mounting panel assembly for HI981413/BL101, controller aspiration filter, controller injector, 1/2” thread, saddle for Ø 50 mm pipe (3), aspiration PVC tube (flexible) (5 m), dispensing PE injection tube (rigid) (15 m), tubing adapter 1/2” - 6 mm with racord (2), valves (2), conductivity calibration solution, 20 mL (3), power connection cable, instruction manual and quality certificates for instrument and probe.
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