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Màn Hình Kiểm Soát pH Kết Hợp Bơm BL7916-2

Producer: HANNA Instruments

SKU: HANNA-BL7916-2 Category: Hanna experimental measuring equipment

– Đo và kiểm soát pH liên tục từ 0.00 đến 14.00 pH

– Integrated dosing pump from 7.8 to 13.3 liters/hour

– Large LCD screen, easy to observe

– Proportional control helps maintain precise setpoint

– 4 – 20mA output

– Suitable for use in swimming pools, electroplating, wastewater treatment.

EASY TO INSTALL

Designed with mounting holes integrated into the sturdy base, the BL7916 is easy to install. All controls and pump assembly are conveniently located on the front of the unit.

PROPORTIONAL DOSAGE

Proportional control slows the stroke rate as the measured value approaches user-selectable set points, avoiding chemical overdosing. This feature makes pump dosing more accurate, saves chemicals, and eliminates unnecessary and costly adjustments to your process, especially with slow-reacting chemicals.

STURDY CONSTRUCTION

Rugged fiber reinforced IP55 polypropylene housing protects against hazardous spills and splashes. PVDF, FPM/FKM and PTFE materials are used for all parts in contact with liquids to resist chemical corrosion.

SEPARATE OUTPUT

For enhanced troubleshooting and data logging capabilities while monitoring, simply attach a logger to the instrument's 4 to 20 mA output contacts, conveniently located on the front panel, to receive a copy of the results on demand.

SIMPLE PUMPING OPERATION

Một điện từ chuyển vị tích cực với ít bộ phận chuyển động làm cho BL7916 đáng tin cậy hơn so với máy bơm điều khiển bằng động cơ vì không có bộ phận quay, bánh răng hoặc cam; giảm đáng kể khả năng xảy ra hỏng hóc cơ học.

AUXILIARY PUMP SWITCH

Allows the user to mount a mixer or priming pump that is only activated when the metering pump is activated.

PRESSURE/FLOW TABLE

*BAR (PSI)*	*LPH (GPH)*
0.5 (7.4)	13.3 (3.46)
1.0 (14.7)	11.7 (3.04)
2.0 (29.4)	10.1 (2.63)
3.0 (44.1)	9.0 (2.33)
4.0 (58.8)	7.8 (2.03)

SPECIFICATIONS

The scale	0.00 to 14.00 pH
Resolution	0.01 pH
Accuracy	±0.01 pH
EMC deviation	±0.1 pH
Input	10¹² Ohm
Quantitative	Linear, acid or base, user selectable
Calibration	offset: ±1 pH với nút tinh chỉnh; slope: 85 to 115% với nút tinh chỉnh
Exit	4-20 mA (isolated)
Dosing Contact	1 isolated contact, 2A, Max. 240V, resistive load, 1,000,000 strokes
Alarm Contact	1 isolated contact, 2A, Max. 240V, resistive load, 1,000,000 strokes
pH electrode	BNC port compatible (purchase separately)
Electricity supply	BL7916-1: 115V BL7916-2: 230V±15%, 50/60Hz (40W)
Environment	0 to 50°C (32 to 122°F); RH max 95% does not condense
Size	W x D x H: 221 x 142 x 181 mm
Mass	5 kg
Guarantee	12 months (For products with intact tags and warranty card)
Supply includes	– Màn hình BL7916. – Exhaust and suction valves. – Polyethylene pump tube. – Electric cable. – User manual. – Warranty. *Điện cực pH cổng BNC mua riêng