อุปกรณ์วัด Conductivity/TDS (pH & TDS Continuous Indicator)
pH & TDS Continuous Indicator
- Two parameters with a single instrument
- Advanced electrode technology
- Simple operation and maintenance
- Supplied complete and ready to use
HI 981404N-01 is ideal for agricultural, horticultural and hydroponics applications where pH and TDS levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCD’s.
The HI 1286 gel filled pH electrode is replaceable and the BNC connector is protected behind a waterproof sleeve. The unique design of the electrode guarantees greater clogging resistance in fertilizer solutions with high concentrations of phosphate, nitrate, etc. TDS measurements are performed using the 4-4-2 conversion factor of 0.7 so you do not need to convert the readings.
This model is equipped with a grounding bar to ensure highly accurate pH readings and longer electrode life.
The HI 981404N-01 is compact and easy to install and use making it ideal for all continuous monitoring applications.
HI 981404N-01 (115V) and HI 981404N-02 (230V) are supplied complete with HI 1286 pH electrode, HI 7634 TDS probe, HI 1283 grounding bar, calibration solutions, screwdriver for calibration, 12 VDC adapter and instructions.
|Range||pH||0.0 to 14.0 pH|
|TDS||0 to 1990 mg/L (ppm)|
|TDS||10 mg/L (ppm)|
|Accuracy @ 20°C||pH||±0.2 pH|
|Calibration||pH||manual at one or two points|
|TDS||manual at one point|
|automatic from 5 to 50°C (41 to 122°F) (TDS only)|
|TDS Conversion Factor||0.7 ppm = 1 µS/cm|
|Probes||HI 1286 interchangeable pH electrode (included), HI 7634 TDS probe (fixed), HI 1283 grounding bar with 2 m (6.6’) cable (included)|
|Power Supply||12 VDC adapter (included)|
|Environment||0 to 50°C (32 to 122°F), RH 95%|
|Dimensions||165 x 110 x 35 mm (6.5 x 4.3 x 1.3”)|
|Weight||300 g (10.6 oz.)|
Requesting a Quotation and Ordering Products
131 Thailand Science Park. Innovation Cluster 1 Building,
Klong 1, Klong Luang, Pathumthani 12120 Thailand.
Tel. 02-191-3928 Fax 02-191-3929
For more information please contact 081-847-6768 (Ms. Nareerat) IDLine: @alltestkit
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