Model 1311DR - Specifications
Performance
Sensing Element
1/3 Class A DIN 43760 PRT, 100 ohm @ 0ºC (32ºF)
Dew/Frost Point Accuracy
Standard +/- 0.2º C(+/- 0.36ºF)
Optional +/- 0.15ºC (+/- 0.27ºF)
Sensitivity > 0.03ºC (0.05ºF)
Repeatability +/- 0.05ºC (+/-0.09ºF)
Hysteresis None
Cooling Stages 4
Depression @ 25º,
1 atm,air
 
Air-cooled 95ºC (171ºF)
Liquid-cooled 105ºC (189ºF)
Air-cooled 95ºC (171ºF)

Typical Meas. Range @ 25ºC(77ºF), 1 atm, air

Dew/Frost Point -65º to +25ºC (-85º to +77ºF)
Relative Humidity Equivalent to 0.03% to 100%

Liquid-cooled (15ºC (59ºF) cooling water, at 25ºC (77ºF), 1 atm air)

Dew/Frost Point -75º to +15ºC (-103º to +59ºF)
Relative Humidity Equivalent to 0.007% to 100%
Required Sample Flow 0.5 to 5.0 scfh (0.25 to 2.5 L/min)
 
Functional
Power 115/230 VAC, 50-60 Hz, 300 watts max.
 
Operating Ranges
Ambient Temperature 0º to +35ºC(+32º to +95ºF)
Pressure 0 to 300 psig (1 to 22 bar)
Auxiliary Cooling Water cooling (standard)
 
Physical
Sensor Body Material Type 314 stainless steel
Sensor Wetter Material 316SS, copper, mylar, silicone, rhodium or platinum mirror
Inlet/Outlet Fittings 1/4" compression, 6 mm available
Weight 16 kg. (34 lb.)
Shipping Weight 18 kg. (40 lb.)
 
Accessories
HEX-1 Rhodium-plated mirror
HEX-2 Solid platinum mirror
TW-1 Mirror torque wrench
1123HK Sensor cable (10 ft (3 m) standard), up to 300 ft (91 m) available