OHAUS Guardian 5000 K1 Series – 120V AM

The OHAUS Guardian 5000 K1 Series offers reliable, high-performance heating and stirring with advanced safety features for everyday lab applications. These hotplates and stirrers come in multiple plate sizes and configurations, including heating only, stirring only, or both combined. Designed for accuracy, durability, and operator protection, the K1 models feature intuitive controls, robust construction, and real-time monitoring for consistent performance in demanding environments.

Key Features

• SmartHeat, SmartRate, SafetyHeat, and SmartPresence technologies for safety and precision
• Bright backlit LCD displays temperature, speed, and time with intuitive icons
• Hot top indicator and audible alarms help prevent accidental burns
• IP32-rated housing protects against spills and splashes
• RS232 port included for external communication and control
• Supports splash shield and temperature probes (sold separately)
• Ideal for research, industrial, and educational laboratories

Model	e-G52HSRDA 30541629	e-G52HS10C 30541637	e-G52HS07C 30541629	e-G52HP07C 30541633	e-G52ST07C 30541635
with Temperature Probe 30500590 and the Probe Holder Kit 30973298	e-G52HSRDA-K1 30981776	e-G52HS10C-K1 30981782	e-G52HS07C-K1 30981778	e-G52HP07C-K1 30981780	-
Function	Heating and Stirring			Heating	Stirring
Top Plate Size	Ø 5.3 in / 13.5 cm	10 x 10 in / 26 x 26 cm	7 x 7 in / 18 x 18 cm
Top Plate Material	Ceramic Coated Aluminum	Ceramic
Housing Material	Painted Aluminum
Display	4.5 x 1.2 in / 115 x 30 mm White Character LCD
Timer	1 minute to 99 hours 59 minutes
Temperature Range	Ambient + 5 oC – 360 oC	Ambient + 5 oC – 500 oC	Ambient + 5 oC – 550 oC		-
Temperature Increments & Readability	0.5 oC				-
Temperature Stability	+/-1 % Plate, below 100 oC +/-1 oC and +/-0.5 % Probe, below 100 oC +/-0.5 oC (* Conditions permitting. Variations in temperature and speed measurement processes, vessel, ambient and sample will impact actual performance. To improve temperature accuracy of the system use the Single Point Calibration feature)				-
Temperature Calibration (SPC) Set Points	3 points for Plate and 3 points for Probe				-
Probe Connection	PT100, PT1000 (Class A)				-
Probe Temperature Measurement Accuracy	±0.2 oC + PT1000 (Class A) Tolerance (PT1000 Class A Tolerance: ±(0.15 oC + 0.002 × T oC), T is Set Temperature)				-
Heating Power	600 W at 120 V 656 W at 230 V	1650 W at 120 V 2066 W at 230 V	1582 W at 120 V 1050 W at 230 V		-
Speed Range	50 - 1800 rpm			-	50 - 1800 rpm
Speed Stability	+/-2 %			-	+/-2 %
	(Conditions permitting. Variations in temperature and speed measurement processes, vessel, ambient and sample will impact actual performance. To improve temperature accuracy of the system use the Single Point Calibration feature)
Stirring Capacity (H2O)	20 L	22 L	20 L	-	20 L
Data Logging & Remote Control	built-in RS232; optional RS232-USB interface kit; optional RS232-Ethernet interface kit
IP Rating	IP32
Dimensions (L x W x H)	259 x 175 x 108 mm 10.21 x 6.87 x 4.26 inch	402 x 287 x 118 mm 15.84 x 11.28 x 4.65 inch	329 x 221 x 116 mm 12.94 x 8.69 x 4.56 inch
Working Environment	41 oF – 104 oF, 80 %RH, non-condensing / 5 oC – 40 oC, 80 %RH, non-condensing inch
Basic Model Net Weight	5.7 lb / 2.6 kg	14.8 lb / 6.7 kg	10.1 lb / 4.6 kg	8.6 lb / 3.9 kg	9.9 lb / 4.5 kg
Electrical (50/60 Hz)	100 - 120V, 8 A 220 - 240V, 4 Ag	100 - 120V, 15 A 220 - 240V, 10 A	100 - 120V, 15 A 220 - 240V, 7 A		100 - 120 V, 1 A 220 - 240 V, 1 A