HI991404 PH/EC/TDS/°C-MONITOR WITH ELECTRODE, ATC – GRO’CHEK COMBO
Price 489$ excl.VAT
In StockDescription
Product information “HI991404 pH/EC/TDS/°C-Monitor with Electrode, ATC – GRO’CHEK COMBO”
This indicator continuously monitors the three most crucial nutrient parameters in hydroponic, greenhouse and horticultural applications.
At startup, HI 991404-02 performs a self-check to assure proper working condition. The stability indicator and HOLD function lets the user know when to take readings and freezes the reading on display for easy and accurate recording.
This instrument is supplied with a non-clogging double junction pH electrode as well as a rugged conductivity probe that will withstand even the most aggressive environments. The 12 VDC adapter makes these instruments ideal for all continuous monitoring applications.
Specification :
| Range | pH | 0.0 to 14.0 pH |
| EC | 0 to 3999 µS/cm | |
| TDS | 0 to 2000 mg/L (ppm) | |
| Temperature | 0.0 to 60.0°C / 32.0 to 122.0°F | |
| Resolution | pH | 0.1 pH |
| EC | 1 µS/cm | |
| TDS | 1 mg/L (ppm) | |
| Temperature | 0.1°C (0.1°F) | |
| Accuracy @ 20°C | pH | ±0.1 pH |
| EC/TDS | ±2% F.S. | |
| Temperature | ±0.5°C (±1°F) | |
| Temperature Compensation | pH | automatic |
| EC/TDS | automatic with ß adjustable from 0.0 to 2.4%/°C | |
| Calibration | pH | automatic, one or two points with auto-buffer recognition |
| EC/TDS | automatic, one point at 1413 µS/cm or 1382 ppm | |
| TDS Factor | adjustable from 0.45 to 1.00 | |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing | |
| Input Impedance | 1012 Ohm | |
| Power Supply | 12 VDC adapter (included) | |
| Dimensions/Weight | 160 x 105 x 31 mm (6.3 x 4.1 x 1.2) / 190 g (6.7 oz.) | |
| Probes | pH | HI 1293D PEI body, pre-amplified pH electrode with 1/2” NPT pipe thread, DIN connector and 2 m (6.6’) cable (included); |
| EC/TDS | HI 7630 conductivity probe with 1/2” NPT pipe thread and 2 m (6.6’) cable(fixed) |
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Display Graphic Display Interfaces Infra red interface for test data transfer (via IRiM)
RJ45 socket for internal updatesOptics LEDs, Interference Filters (IF) and photo sensor in transparent sample chamber.
Wavelength specifications of interference filters:
430 nm Δ λ = 5 nm
530 nm Δ λ = 5 nm
560 nm Δ λ = 5 nm
580 nm Δ λ = 5 nm
610 nm Δ λ = 6 nm
660 nm Δ λ = 5 nmWavelength Accuracy ± 1nm Photometric Accuracy 2% full scale (at 20 ° C to 25 ° C) Photometric Resolution 0.005 A Operation Acid and solvent resistant touch sensitive keypad; audible feedback via integrated beeper Power Supply 4 x AA batteries; operating time 26 hours continuous or 3500 tests Auto Off approx 20 minutes after last keypress with audible signal Dimensions Unit 210 x 95 x 45 mm
Carry case 395 x 295 x 106 mmUnit Weight 450g Ambient Conditions 5-40 ° C, 30-90% rel humidity (non condensing) Memory Capacity 1000 data sets with time, date, sample ID Conformity CE Price 1.887$ excl.VAT -
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