Bộ điều khiển, thiết bị điều chỉnh TDS mini BL 983329-1

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Bộ điều khiển, thiết bị điều chỉnh TDS mini BL 983329-1

Hãng sản xuất: HANNA

Xuất xứ: Romania

Model: BL983329-1

Nguồn điện: 12 VDC

Bảo hành 12 tháng

Giá: Liên hệ 0977.459.400

Clarkson BL983329-1 
TDS (Total Dissolved Solids) Mini Controllers 0.00-10.00 mS/cm 12VDC
Hanna Instruments BL 983329 -1
These instruments have been designed for TDS control in hydroponics, horticulture and water conditioning.
Compact in size, they can be mounted in confined spaces or even right next to the vat or barrel containing the chemicals.

These meters permit automatic control of installations previously checked manually.

Readings are shown on the large display and the multicolored LED continuously indicates if the mini-controller is in measurement, dosing or alarm mode.
BL 983315 can control TDS from 0.0 to 199.9 ppm, BL 983319 from 0 to 1999 ppm, BL 983321 from 0.00 to 19.99 ppm and BL 983329 from 0 to 999 ppm.
You can also choose automatic or manual dosing mode with a switch on the front panel. Manual control is particularly useful during maintenance operations, because it permits you to enable or disable the dosing relay according to your need.
The overtime control system advises you when the relay is active too long, helping to prevent over dosage.

Models are available with power supply input at 115/230 Vac or 12 Vdc.

Range   0 to 999 ppm
Resolution   1 ppm
Accuracy   ±2% F.S.
TDS Conversion Factor   0.5
Probe   HI 7634-00 (not included)
Temperature Compensation   Automatic, 5 to 50°C (41 to 122°F) with ß = 2%/°C
Calibration   manual, with CAL trimmer
Dosing Relay   1, max 2A (fuse protected), 250 Vac, 30 Vdc
contact closed when reading exceeds setpoint value
Setpoint   adjustable from 0 to 19.99 ppm
Overtime   adjustable, typically from 5 to approx. 30 minutes
Power Supply   See Chart
Dimensions   83 x 53 x 99 mm (3.3 x 2.1 x 3.9")
Weight   See Chart
The BL 983329 is supplied with mounting brackets, transparent cover, and instructions.