Specifications

LOW TEMPERATURE & HUMIDITY CHAMBER
PL
−40 to ＋100℃（+150℃／＋180℃）・20 to 98％rh
Model PL−1J PL−2J PL−3J PL−4J
System Balanced Temperature and Humidity Control system (BTHC system)
Performance*
1
Temp. & humidity range
−40 to +100°C/20 to 98% rh
(lowest attainable temperature in an ambient temperature of 0 to +30°C)
Refer to diagram of temperature & humidity controllable range on page 26.
Temp. & humidity fluctuation ±0.3°C/±2.5% rh
Temperature gradient 3.0°C
Temperature variation in space 1.5°C
Temperature rate of change
Heat up rate: 3.0°C/min.
Pull down rate: 2.0°C/min.
Temperature extremes
achievement time
Heat up time: from +20 to +100°C 30 min.
Pull down time: from +20 to −40°C 45 min.
Allowable heat load*
2
850 W 1400 W 1500 W 2850 W
Construction
Exterior material Stainless steel plate: 18 Cr stainless steel plate, hairline finish
Test area material Stainless steel plate: 18−8 Cr−Ni stainless steel plate, 2B polish
Heater Nichrome strip wire heater
Humidifier 18−12−2.5 Cr−Ni−Mo stainless steel sheathed heater (surface evaporating system)
Cooler (dehumidifier) Plate fin cooler Plate fin cooler, stainless steel tube cooler
Air circulator Cross flow fan Sirocco fan
Water
supply
Supply system Pump out system
Water tank 16 L 32 L
Refrig-
eration
unit
System Mechanical type single-stage compression cooling
Compressor
Rotary compressor
(R404A)
Rotary compressor (R404A)
Reciprocating compressor (R404A)
Scroll compressor
(R404A)
Reciprocating
compressor (R404A)
Refrigerator capacity 1.2 kW 1.5 kW + 0.4 kW 3.0 kW + 0.4 kW
Expansion mechanism
Electronic expansion
valve
Electronic expansion valve, capillary tube
Capacity 120 L 225 L 408 L 800 L
Chamber total load resistance 100 kg
Dimensions*
3
Inside dimensions
(W x H x D mm)
500 x 600 x 400 500 x 750 x 600 600 x 850 x 800 1000 x 1000 x 800
Outside dimensions
(W x H x D mm)
910 x 1440 x 873 910 x 1590 x 1073 1010 x 1690 x 1273
1410 x 1840 (1970)
x 1273
Weight 270 kg 340 kg 420 kg 610 kg
Utility requirements
Allowable ambient conditions 0 to +40°C/up to 75% rh
Power
supply
200V AC 3ø 50/60 Hz 22.5 A 22.5 A 23.0 A 36.0 A
220V AC 3ø 60 Hz*
4
21.0 A 22.0 A 22.0 A 34.0 A
380V AC 3ø 50 Hz*
4
10.0 A 11.0 A 11.0 A 22.0 A
400V AC 3ø 50 Hz*
4
9.4 A 10.4 A 10.4 A 21.0 A
*1 The performance values are based on IEC60068-3-5:2001 and IEC60068-3-6:2001;
Performance figures are given for a +23°C ambient temperature, relative humidity of 65±20%rh, rated voltage, and no specimen inside the test area.
*2 When temperature in chamber is +20°C
*3 Excluding protrusions. Dimension indicated in ( ) includes protrusion.
*4 Compliance with CE Marking
19