LABCHEN STH-3 and jingwen JW-RF330S compare

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Model selection comparator If you have any questions, please click below Service	LABCHEN STH-3 Heat seal Tester 9480.0 RMB China Detail	jingwen JW-RF330S Digital heat sealer 7600.0 RMB China Detail

Model comparison

Heating method		Single heating Double heating	Single heating

Parameter comparison

Power Supply	AC220V 50HZ
Heat sealing temperature	RT+10~250℃	RT+~300℃
Temperature control Accuracy	±1℃	±1℃
Heat sealing pressure	0~ 0.7Mpa range can be adjusted	0.05MPa~0.7 MPa
Heat sealing time	0.01~ 99.99S range can be adjusted	0.1~999.9s
Heat sealing area	300 * 10Mm (can be customized)	330 * 10 mm (can be customized)
Heating method	Single heating/double heating
test mode	Manual mode/automatic mode (manual mode is controlled by foot switch, automatic mode is controlled by adjustable delay relay)
Air source pressure	≤ 0.7MPa (user-provided)	0.5MPa~ 0.7 MPa (gas source user-provided)
test conditions	Standard laboratory environment

net Weight	Approx. 30 kg
According to the standard	QB/T 2358, ASTM F2029, YBB 00122003, etc

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