Mini Liquid Level Controllers

Creating a niche of Mini Liquid Level Controllers such as HI 7871 Mini Level Controller, Hi 7873 Mini Level Controller With Overflow Alarm and HI 7874 Level Transmitter at its best, with utmost quality.

	HI 7871 Mini Level Controller

HI 7871 mini level controller is for liquid level control over distances of up to 100 m (330’). This instrument is highly compact and will fit in tight spaces.

This easy to use controllers is ideal for nearly any liquid level application, such as industrial and municipal water treatment, nutrient tank control in farming, hydroponics, aquaculture applications and plating rinse baths.

HI 7871 features high and low level control. This instrument is connected to a 2-wire transmitter (HI 7874), which is ideal for level monitoring in remote applications.

A complete liquid level measuring system requires:
•   A controller (HI 7871 or HI 7873)
•   A bar holder with amplifier circuitry (HI 7874)
•   A package of measuring bars (HI 731324)
•   An undecal connector (HI 7164)

Order Information:
HI 7871/115 (115V) is supplied with mounting brackets and instructions.
HI 7871/220 (220V) is supplied with mounting brackets and instructions.

Specifications
Accessories
Downloads

Transmission		max. 100 meters (330 feet)
Electrical Connection		HI 7164 undecal connector (not included)
Level Adjustment		high and low
Level Indication		high and low
Sensor Bars		3 (not included) (HI 731324 pack of 5 pcs)
Transmitter		HI 7874 (not included)
Output Contact		1 relay (2A/250 Vac, 30 Vdc)
Power Supply		See Chart
Environment		0 to 50°C (32 to 122°F); RH max 85% non condensing
Dimensions		79 x 49 x 95 mm (3.1 x 1.9 x 3.7’’)
Weight		250 g (8.8 oz.)

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	Hi 7873 Mini Level Controller With Overflow Alarm

Hi 7873 Mini Level Controller With Overflow Alarm

HI 7873 mini level controller is for liquid level control over distances of up to 100 m (330’). This instrument is highly compact and will fit in tight spaces.

This easy to use controller is ideal for nearly any liquid level application, such as industrial and municipal water treatment, nutrient tank control in farming, hydroponics, aquaculture applications and plating rinse baths.

HI 7873 includes an overflow alarm, and is connected to a 2-wire transmitter (HI 7874), which is ideal for level monitoring in remote applications.

Order Information:
HI 7873/115 (115V) is supplied with mounting brackets and instructions.
HI 7873/220 (220V) is supplied with mounting brackets and instructions.

Specifications
Accessories
Downloads

Transmission		max. 100 meters (330 feet)
Electrical Connection		HI 7164 undecal connector (not included)
Level Adjustment		high, low and overflow
Level Indication		high, low and overflow
Sensor Bars		4 (not included) (HI 731324 pack of 5 pcs)
Transmitter		HI 7874 (not included)
Output Contact		2 relay (2A/250 Vac, 30 Vdc)
Power Supply		See Chart
Environment		0 to 50°C (32 to 122°F); RH max 85% non condensing
Dimensions		79 x 49 x 95 mm (3.1 x 1.9 x 3.7’’)
Weight		250 g (8.8 oz.)

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	HI 7874 Level Transmitter

Accurate level control is critical to many industrial applications, especially for process adjustments using aggressive chemicals. Our sensor bars are built with stainless steel for long life even in harsh conditions. They are easy to install and ideal for monitoring tanks and water conditioning plants.

The HI 7874 transmitter has been designed to be combined with the HI 7871 and
HI 7873 level controllers. The transmitter is housed in a durable and waterproof ABS body, and allows the user to easily adjust the length of the sensor bars according to the specific need.

HI 7874 is supplied with a sturdy mounting bracket for quick and easy installation.

Order Information:
HI 7874 is supplied with mounting bracket and instructions.

Specifications
Accessories
Downloads

Transmission		max 100 meters (330 feet)
Electrical Connection		2-wire terminal
Level Adjustment		high, low and overflow
Sensor Bars		3 or 4 (not included) (HI 731324 pack of 5 pcs)
Power Supply		from level controller
Environment		0 to 50°C (32 to 122°F); RH max 100%
Weight		550 g (1.2 lb.)

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