Recirculating Coolers

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Recirculating Coolers

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Recirculating Coolers (Advanced Low Temp.)

Adjustable, precise PID temperature controller beneficial

for various cooling tasks in the science, research, and industrial laboratories.

Performance

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Temperature range from -20°Cto 40°C.
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High cooling capacity up to 7.1kW at 20°C.

Powerful circulating pumps up to70L/min., 6 bar.

Precise temperature stability ± 0.2°C(at 15°C) without heater.

 - Innovative and exclusive controller can adjust the cooling capacity from 1% to 100%.

Refrigerating system is designed to reduce energy consumption and maximize refrigerating efficiency.

Convenience

Designed to simplify operation with a touch screen type display.

 - Setting and resolution indication 0.1°C/°F.

 - Quick keypad lock prevents accidental parameter changes.

Bright LED water level indicator can be seen from a distance.

Optional external sensor can be connected for more actual temperature control.

Built in pressure gauge for checking pump pressure at a glance.

High/low pressure gauges for condition diagnosis of refrigerating system at a glance.

Wide filling inlet for easy and safe pouring of solution into the unit.

Double service valve prevents refrigerant leakage for easy maintenance.

Removable gridded vent for easy maintenance of condenser.

Built-in casters for easy transport and installation.

RS-232 interface for external control and data collection.

Safety

Self-diagnostic function identifying errors.

Complete safety protection system with warning alarms.

 - Low fluid level and dry-running protection; when triggered shows an error symbol on the display and an audible buzzer sound.

 - Over-temperature protection; If the equipment operates at over maximum temperature due to external environment, user can simply identify the error with a visual signal or an audible buzzer sound.

 - Over-current circuit breaker.

Eco-friendly R-404A / R-507 refrigerant use for environmental protection.

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Splash-proof keypad.
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Model		LSHS-15	LSHS-20	LSHS-25	LSHS-35	LSHS-45	LSHS-55	LSHS-45H ²⁾	LSHS-55H
Temperature ¹⁾ (bath fluid : ethylene glycol mix 1:1 water)	Working temperature range (℃ / ℉)	-20 to 40 / -4 to 104
Temperature ¹⁾ (bath fluid : ethylene glycol mix 1:1 water)	Temperature stabilityat 15℃, (±℃ / ℉)	0.2 / 0.36
Cooling capacity(bath fluid : ethylene glycol mix 1:1 water)	at 20℃ (kw)	1.45	1.8	2.5	3.3	6.5	7.1	6.5	7.1
	at 10℃ (kw)	1.15	1.5	1.8	2.3	4.5	6	4.5	6
	at 0℃ (kw)	0.86	1.15	1.1	1.7	3	4.1	3	4.1
	at -10℃ (kw)	0.62	0.85	0.65	1	2.1	2.5	2.1	2.5
	at -20℃ (kw)	0.3	0.4	0.4	0.55	1.2	1.5	1.2	1.5
Pump	Max. flow rate(L / min, gal / min)	40 / 10.57						70 / 18.49
	Max. pressure(bar / psi)	3.3 / 47.86						6 / 87
Dimension	Max. filling Capacity(L, cu ft)	13.5 / 0.47		25 / 0.88		39 /1.37
	For tubing dia.(mm / inch)	20 / 3/4
	Filling inlet(Ø, mm / inch)	120 / 4.7
	Overall(W×L×H, mm / inch)	515×715× 835/ 20.3×28.1×32.9		550×900×1140/ 21.7×35.4×44.9		605×1045×1300/ 23.8×41.4×51.2
	Net weight (kg / Ibs)	91.8/ 202.4	92.65/ 204.3	141.3/ 310.9	146.3/ 321.9	168 ±10/ 370 ±22	173±10/ 381 ±22	171 ±10/ 377 ±22	176 ±10/ 388 ±22
Electric Requirement (230V, 60Hz)		6.5 A	7.5 A	9.5 A	13.5 A
Electric Requirement (230V, 50Hz)		6 A	7 A	7.5 A	12.5 A

1) Technical data according to DIN 12876.

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Recirculating Coolers

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