Free quotations · Genuine products · Delivery across Thailand and worldwide
Free quotations · Genuine products · Delivery across Thailand and worldwide
Product code: MX-11267
Easy to handle Fire retardant casing Selectable overdose protection system Splash resistant cover Dosing Relay: Contact close when measure: > set point This instrument has been designed for TDS control in hydroponics, horticulture and water conditioning.
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Adjustable Dry Contact Dosing Relay The BL983329 features a dosing relay that is activated when the reading is above a user programmable set point. Programmable Overdose Protection For enhanced safety the mini controller can be programmed to deactivate the dosing relay if the set point is not reached within a specified time interval. The overdosing timer is programmable from 5 to 30 minutes or disabled. Relay Control Override With the flick of a switch the mini controller's relay can be disabled (Off), placed in control (Auto), or be activated for manual operation (On) which is useful for priming a dosing pump. Multicolor LED Indicator Multicolor LED indicator allows an operator to quickly check the status of the controller. Green = Meter in measurement mode and reading is below the set point. Orange/Yellow = Reading is above the set point and the relay is activated. Blinking Red = Indicates an alarm condition such as when the maximum dosing time has been exceeded. Fuse Protected Dosing Contacts The relay dosing contact is rated for up to a 2A load and is fuse protected. Labeled Termination Connections Quick-connect terminal blocks are clearly labeled for easy connection to power, conductivity probe and relay that can be used to operate a dosing pump, valve, audible alarm, or light.
| Range | 0 to 999 ppm |
|---|---|
| Resolution | 1 ppm |
| Accuracy @ 25°C | ±2% F.S. |
| TDS Conversion Factor | 0.5 |
| Probe | HI 7634-00 EC/TDS probe with internal temperature sensor and 2 m (6.6’) cable (not included) |
| Temperature Compensation | Automatic, 5 to 50°C (41 to 122°F) with ß = 2%/°C |
| Calibration | manual, with CAL trimmer |
| Dosing Relay | maximum 2A (fuse protected), 250 Vac, 30 VDC Contact close when measure: > set point |
| Setpoint | adjustable from 0 to 999 ppm |
| Overtime | adjustable, typically from 5 to approx. 30 minutes |
| Power Supply | See Chart |
| Dimensions | 79 x 49 x 95 mm (3.1 x 1.9 x 3.7’’) |
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