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Constant Temperature & Humidity Chamber ( Programmable )
Program Features
1. Maximum cycle settings: 1 pattern x 99 steps x 99 cycles. Program can be divided into subprograms with individual number of cycles
2. Maximum duration for each program is 99 hr 59 min
3. Controller provides memory recovery in case of power interruptions. Remaining unfinished program can be continued if power was interrupted during testing
4. Remaining test time display
5. Available in programmable or direct display ( for single temperature and humidity settings )

Control Characteristics
1. Capable of slope control
2. Four output channels ( for recorder )
3. PID control for temperature & humidity
4. Configurable alarm for temperature & humidity
5. Remote control system available for remote program execution

Model HTL-225A
HTL-225B
HTL-408A
HTL-408B
HTL-800A
HTL-800B
HTM-150A
HTM-150B
HTM-225A
HTM-225B
HTM-408A
HTM-408B
System Balanced temperature & humidity control system
Temp. Range -70~+100°C (+150°C option) -45~+100°C (+150°C option)
Humid Range 30~95%RH 30~95%RH 30~95%RH 30~95%RH 30~95%RH 30~95%RH
Temp.Constancy ±0.3°C ±0.3°C ±0.3°C ±0.3°C ±0.3°C ±0.3°C
Humid Constancy ±3%RH ±3%RH ±3%RH ±3%RH ±3%RH
Temp. Uniformity ±1.0°C ±1.0°C ±1.0°C ±1.0°C ±1.0°C
Humid Uniformity ±4%RH ±4%RH ±5%RH ±4%RH ±4%RH ±4%RH
Heat-up time -70°C~+100°C, approx 70 min. -45°C~+100°C, approx 45 min.
Cool down time +20°C to -70°C within 90 min. +20°C to -45°C within 60 min.
Inside Dimensions
(WxHxD) cm
50x75x60 60x85x80 100x100x80 50x60x50 50x75x60 60x85x80
Outside Dimensions 102x162x118 12x172x138 152x187x138 102x147x108 102x162x118 112x172x138
Interior material SUS#304 stainless steel plate
Exterior material SUS#304 stainless steel plate
Insulation material Rigid polyurethane foam & glass wool at 150°C
Refrigeration system Air cooled
hermetic compressor, single stage refrigeration system hermetic compressor, cascade refrigeration system
Safety devices no fuse brea ker, refrigerator overload relay, refrigerator high pressure switch, over-temp. protector, protection fuse, water level protector, protection relay, system trouble monitor alarm
Accessories viewing window, shelves (freely adjustable 2 pcs), cable port (50 mm dia.) and chamber lamp
Power supply 1Ø, AC200V±10%, 50/60Hz
Model HTM-800A
HTM-800B
HT-150A
HT-150B
HT-225A
HT-225B
HT-408A
HT-408B
HT-800A
HT-800B
HT-8045C
System Balanced temperature & humidity control system
Temp. Range -45~+100°C (+150°C option) -30°C ~+100°C (+150°C option) 0~85°C
Humid Range 30~95%RH 30~95%RH 30~95%RH 30~95%RH 30~95%RH 30~95%RH
Temp.Constancy ±0.3°C ±0.3°C ±0.3°C ±0.3°C ±0.3°C ±1.0°C
Humid Constancy ±3%RH ±3%RH ±3%RH ±3%RH ±3%RH ±3%RH
Temp. Uniformity ±1.0°C ±1.0°C ±1.0°C ±1.0°C ±1.0°C ±1.0°C
Humid Uniformity ±5%RH ±4%RH ±4%RH ±4%RH ±5%RH ±5%RH
Heat-up time -45°C~+100°C, approx 45 min. -30°C~+100°C, approx 35 min.
Cool down time +20°C to -45°C within 90 min. +20°C to -30°C within 45 min.
Inside Dimensions
(WxHxD) cm
100x100x80 50x60x50 50x75x60 60x85x80 100x100x80 40x40x45
Outside Dimensions 152x187x138 102x147x108 102x162x118 112x172x138 152x187x138 90x80x82
Interior material SUS#304 stainless steel plate
Exterior material SUS#304 stainless steel plate
Insulation material Rigid polyurethane foam & glass wool at 150°C
Refrigeration system Air cooled
hermetic compressor, dual stage refrigeration system
Safety devices no fuse brea ker, refrigerator overload relay, refrigerator high pressure switch, over-temp. protector, protection fuse, water level protector, protection relay, system trouble monitor alarm
Accessories viewing window, shelves (freely adjustable 2 pcs), cable port (50 mm dia.) and chamber lamp
Power supply 1Ø, AC200V±10%, 50/60Hz
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