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Continuous pH Measurement and Control Monitor Controlling 1 Pump With 4-20mA Output BL931700-1

SKU: HANNA-BL931700-1 Category: Hanna experimental measuring equipment

– Continuous pH measurement and control screen

- Control 1 threshold above or below the programmed pH set point

- Control 1 metering pump

– Connect to a pH electrode with a BNC connector

– HAVE exit analog 4-20mA

– BNC gate electrode purchased separately

+ BL931700-0: uses 12VDC adapter

+ BL931700-1: use 115/230VAC power source

DOSING RELAY

The dosing relay can be set to dose above or below the user-programmable pH set point.

OVERDOSE PROTECTION

Can be programmed to shut off a valve, pump, or connected device when continuously activated beyond a selected time; Adjust from 5 to 30 minutes.

CONTROL MODE SWITCH

With just one switch, normal “Auto” operation can be converted into “ON/OFF” mode.

ANALOG OUTPUT

4-20 mA analog output for connection to data logger, chart recorder or other device.

bl98141120rear PROTECTIVE DOSING

The mini controller is protected against a maximum of 2A load from one pump or connected device.

EASILY CONNECT PERIPHERAL DEVICES

Easy terminal connection to power, communications, dosing control, or sensors.

MATCHING PIN

Protect sensors from ground loops to avoid disturbing measurement results or damaging the system.

BNC

The monitor can connect to any pH electrode with a BNC jack.

SPECIFICATIONS

The scale	0.00 to 14.00 pH
Resolution	0.01 pH
Accuracy (@25°C/77°F)	±0.02 pH
Calibration	Manual, 2 points via offset and slope buttons
Dosage division	Maximum 2A (protective fuse), 250 Vac, 30 VDC
Choose dosage	acid or alkaline – open = acid dosage = relay ON if measurement > setpoint – closed = alkaline dosage = relay ON if measurement < set point
Installation point	Customizable from 0 to 14 pH
Overdose	Customizable from 5 to nearly 30 minutes
Input	10¹² Ohm
Exit	4 to 20 mA, accuracy ±0.20 mA, maximum load 500 Ohm
Electrode	Compatible with electrodes with BNC port (purchased separately)
Pump	Can be connected to 1 pump (purchased separately)
Electricity supply	BL931700-0: 12 VDC adapter BL931700-1: 115/230VAC; 50/60Hz
Size	83 x 53 x 99 mm
Mass	BL931700-0: 200g BL931700-1: 300g
Guarantee	12 months (for products with intact tags and warranty card)
Supply includes	– BL931700 screen. – Transparent plastic lid. – Mounting frame. – 12VDC adapter (for BL931700-0). - Warranty. - User manual. - Quality certification. – Paper container. pH ELECTRODE WITH BNC PORT PURCHASED SEPARATELY