Mini Resistivity Controller

Listing ID #4146876

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BL983314-0: 12 VDC adapter (included); BL983314-1: 115/230 VAC; 50/60Hz10 VA
maximum 2A (fuse protected), 250 Vac, 30 Vdc contact closed when measure < setpointadjustable from 0 to 19.90 MΩ•cm
0.00 to 19.90 MΩ•cm0.10 MΩ•cm
83 x 53 x 99 mm (3.3x2.1x3.9”)BL983314-0: 200 g (7.1 oz.); BL983314-1: 300 g (10.6 oz.)
Supply Type Manufacturer, Exporter, Supplier
Preferred Buyer Location All over the world

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Product Details

BL983314-0: 12 VDC adapter (included); BL983314-1: 115/230 VAC; 50/60Hz 10 VA
0.00 to 19.90 MΩ•cm 0.10 MΩ•cm
adjustable, typically from 5 to approximately 30 minutes automatic and linear from 5 to 50°C (41 to 122°F) [β=2.4 ; 3.5 ; 4.5 %/°C selectable through jumper on the rear panel]
maximum 2A (fuse protected), 250 Vac, 30 Vdc contact closed when measure < setpoint adjustable from 0 to 19.90 MΩ•cm
±2% F.S. factory calibrated
83 x 53 x 99 mm (3.3x2.1x3.9”) BL983314-0: 200 g (7.1 oz.); BL983314-1: 300 g (10.6 oz.)

About the BL-983314 Resistivity Mini Controllers

Fire retardant casing
Selectable overdose protection system
Splash-resistant cover

Readings are automatically temperature compensated with three different coefficients (β=2.4, 3.5 or 4.5 %/°C). The alarm contact can be used for connection to an alarm, pump, solenoid or dosing system.

The relay contact is open when readings are higher than the setpoint, while for measurements lower than setpoint, the relay contact is closed. The hysteresis is typically 0.20 MΩ •cm from the setpoint.

Measurements are displayed on the LCD and the multi-coloured LED continuously indicates if the controller is in measurement, dosing, or alarm mode. Users can choose automatic or manual dosing mode with a switch on the front panel. Manual control is particularly useful during maintenance operations, because it permits operators to enable or disable the dosing relay according to need.

The overtime control system advises users when the relay is active for too long, helping to prevent over-dosage.

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Hanna's unique CAL Check™ feature alerts the user to potential problems during the pH calibration process. By comparing previous calibration data to the current calibration the meter will alert the user with display prompts when the probe needs to be cleaned or is broken and if the pH buffer might be contaminated. After calibration the overall probe condition is displayed as a percentage from 0 to 100% in increments of 10%. The probe condition is affected by both the offset and slope characteristics of the pH electrode and is displayed on the measurement screen on the day of calibration and in the GLP data. pH calibration can be performed up to five points with seven preprogrammed standard pH buffers and five custom ones to achieve a pH accuracy of ±0.002 with ±0.001 pH resolution.
The HI98191 has 15 different ISE sensors preprogrammed within the meter. By selecting the appropriate ISE in the ISE Setup Menu, the appropriate ion charge and ion molar weight are applied to display ISE slope percentage. Users can then calibrate up to five points with the choice of six standard values. This meter allows an extensive choice of measurement units (ppm, ppt, g/L, ppb, μg/L, mg/mL, M, mol/L, mmol/L, % w/v, user defined) and has an expanded measuring range of 1.00 x 10-7 to 9.99 x 1010.
Pressing the 'AutoHold' virtual key seen in measurement mode, the meter will freeze a stable reading allowing for the reading to be documented or logged. An “out of calibration range” warning can be enabled that will alert the user when a reading is not within the bracket of calibrated pH values.
The log-on-demand mode allows the user to record and save up to 300 samples (100 each for pH, mV, and ISE). This data along with the associated GLP data can then be transferred to a PC with Hanna’s HI920015 micro USB cable and HI92000 software.
Access help at any time at a press of a dedicated button and view content specific information based on the screen that is currently being viewed.
The high contrast graphic LCD is easy to read outdoors in bright sunlight as well in low-lit areas with the backlight. A combination of dedicated and virtual keys allows easy, intuitive operation in a choice of languages.
The compact, durable carrying case is thermoformed to hold all necessary components for taking a field measurement, including the meter, electrode and beakers.