Humidity Measurement Products Comparison

Humidity Measurement Products Comparison

Dew Point Mirror Comparison

Model 373LHX 373LX 373L 373S3 373S 373H 373HX 973 473-RP2 473-SH2 473-SHX
Measuring range:  
Dew/Frost point -70
+95ºC
-95
+20ºC
-80
+20ºC
-60
+20ºC
-40
+20ºC
-30
+70ºC
-20
+95ºC
-50
+20ºC
-20
+70ºC
-20
+70ºC
-30
+99ºC
% RH @ 20C 1-100% 2-100% 5-100% 1-100% 5-100% 5-100% 5-100%
ppmv, minimum 2.5 0.05 0.5 11 130 375 1000 11 1000 1000 1000
Thermoelectric mirror cooling: 3-stage 2-stage 3-stage 2-stage 2-stage 2-stage
Cooling: Refrigeration Air/Water Air
Measuring head heating: +100ºC +40ºC +40ºC None None +60ºC +100ºC None
Accuracy:
(Dew/Frost Point)
± 0.1°C ± 0.1°C ± 0.15°C ± 0.1°C
Reproducibility:
(Dew/Frost Point)
± 0.05°C ± 0.07°C ± 0.05°C
Display: Active Matrix Color Graphic LCD
Digital I/O: RS-232
Analog output: 2 (optional 4) selectable ±10V 4...20mA Optional 2x selectable ±10V 4...20mA
Gas couplings: VCR Cajon 1/4" 6mm or 1/4" Swagelok N/A 6mm or 1/4" Swagelok
Mirror temperature sensors: PRT-100
Sample gas pressure: 35 psia (2.5 bar abs.)
150 psia (10 bar) optional
Ambient pressure only    
Sample gas flow rate: 0.5... 1 l/min, internal pump and flowmeter N/A
Sample gas circuit: 316L stainless steel, electropolished N/A
Operation temperature: +15... +35°C -10... +40°C

Instrument: 0... +40°C
Measuring Head: -50... +80°C

Instrument: 0... +40°C
Measuring Head: -40... +125°C
Storage temperature: -10... +50°C -10... +40°C -20... +50°C
Ambient humidity: 90% RH max., non condensing Instrument: 90% RH max., non condensing
Measuring Head: 99% RH max., non condensing
Voltage: 100... 120 VAC, 50/60 Hz
or
200... 240 VAC, 50/60 Hz
100... 240 VAC, 50/60 Hz
Power consumption: 500 W 200 W 300 W 200 W 100 W
Width, inch
(mm):
17.75
(440)
20.50
(520)
17.75
(440)
17.75
(440)
17.75
(440)
17.75
(440)
17.75
(440)
17.75
(440)
12.20
(310)
Height, inch
(mm):
9.25
(236)
10.00
(255)
9.25
(236)
9.25
(236)
9.25
(236)
9.25
(236)
9.25
(236)
6.10
(155)
6.10
(155)
Depth, inch
(mm):
18.25
(461)
19.75
(500)
20.25
(511)
18.25
(461)
18.25
(461)
18.25
(461)
18.25
(461)
16.14
(410)
10.43
(265)
Weight, lb
(kg):
75
(34)
100
(45)
100
(45)
45
(20)
45
(20)
45
(20)
55
(25)
26.4
(12)
11
(5)