天津市泰斯特仪器有限公司[官网]

Constant Temperature & Humidity Chamber (HWS)
时间：2014-12-23   点击：(4171)

■ Characteristic for model BIII and BX ● Independent humidificatifier ensures humidity control. ● 30 periods of programs LCD controller, gradient running. ● Easy operation: running with data set and time set, and automatic shutdown. ● Special function key for temperature setting. ● Auxiliary menu makes over-temperature alarm, deviation adjust, and menu buttons lock come true. ● Forced air convection makes the temperature more uniform. ● Power outage protector: automatic recovery to previous normal status after power on. ● Compressor overload protector. ● Patent No.: ZL201320059701.3 ■ Special characteristic for model BX ● Shelf-check of the circuit, sensor fault alarm, and superior and inferior limit over temperature alarm. ● Intelligent refrigeration and defrosting system. ● Watchdog timer ● Over temperature protector.

Technical parameters
Model		HWS-70B HWS-70BX	HWS-150B HWS-150BX	HWS-250B HWS-250BX
Application		constant temperature experiment and environment experiment in which humidity is needed
Air circulation type		forced convection
Performance	temp. range	without humidification: 0～65℃; with humidification: 10～65℃
	temp. resolution	0.1℃
	temp. fluctuation	high temperature:  ±0.5℃; low temperature: ±0.1℃.
	temp. uniformity	±1℃
	humidity range	45%～90%RH
	humidity fluctuation	±5%RH
Structure	chamber material	stainless steel
	shell material	spraying cold rolled steel
	thermal insulation material	PU
	heating device	stainless heating tube
	rated power	0.7kw	1.0kw	1.4kw
	compressor	Air-cooled hermetic compressor
	refrigerant	R134A
	defrosting system	model B: manual; model BX: automatic
	humidity control	automatic
	fairlead	φ52mm*1 on the left side of the body
	controlled external power supply	1pc
Controller	temp. control	model B:1 period of program LCD,PID; model BX: 30 periods of program LCD,PID.
	temp. setting	press the four keys slightly
	temp. display	actual temp. is displayed by LCD (row 1); setting temp. is displayed by LCD (row 2).
	timer	0～9999 minutes (with timing function)
	operation function	running with data set and  time set, automatic shut-down based on setting, start with time set, and running with program set.
	program mode	standard configuration
	sensor	Pt100
	additional function	model B: deviation calibration, menu buttons lock, power outage compensation, power outage memory.
		model BX: over temperature protector. watchdog timer, shelf-check of the circuit, intelligent refrigeration and defrosting system
Safety device		model B: over-temperature alarm, overload protector; model BX: independent temperature limiter, shelf-check of the circuit.
Specification	working size (W*D*Hmm)	420*350*500	490*400*750	500*500*950
	exterior size (W*D*Hmm)	570*560*1020	640*620*1270	660*700*1470
	packing size (W*D*Hmm)	730*720*1170	820*760*1430	880*825*1645
	working capacity	70L	150L	250L
	shelf load bearing	15kg
	max shelf layer	5 layers	9 layers	12 layers
	height between shelves	60mm
	Power source (50/60Hz) /Rated current	AC220V/2.3A	AC220V/3.6A	AC220V/5.5A
	NW/GW	69/92jg	86/114kg	100/139kg
Accessory	shelf	2pcs
	shelf bracket	4pcs
Optional device		shelf, RS485 port, printer, recorder, external communication, remote control,program temperature controller, wireless message alert, U disk storage.

 

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