Item # S4000, S4000 Remote Chilled Mirror Hygrometers on Michell Instruments, Inc.
Michell Instruments, Inc. - Item # S4000, S4000 Remote Chilled Mirror Hygrometers
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Item # S4000
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S4000 Remote Chilled Mirror Hygrometers
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The S4000 Remote Precision Dew-point meter offers unmatched accuracy and reliability in dew-point measurements of air and gas systems and in calibration laboratories. Its powerful three stage Peltier thermoelectric heat pump gives a depression capability of more than 80ºC (176ºF) at normal laboratory temperature. The S4000 Remote can measure and control at dew points (frost points) down to -50ºC (-58ºF) from a normal room temperature, and with additional water-cooling through the integral cooling jacket can measure as low as -80ºC (-112ºF) dew point. As its name suggests, the S4000 Remote comprises a free-standing sensor and a 19" x 3 U monitor unit, connected by individual power and signal cables for the most stable and precise dew point control.
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Performance
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Electrical Input/Output
·
Output Ranges
·
Operating Conditions
·
Mechanical Specification
Performance
Measurement Technology
Chilled Mirror
Measurement Units
ºCdp, ºFdp; ºC, ºF temp; % RH, ppm
v
, ppm
w
, g/m
3
, g/kg, ppm
w
for SF
6
Measurement Range
-80 to +20ºCdp (-112 to +68ºFdp) (remote);
-80 to +85ºCdp (112 to +185ºF) (climatic sensor)
Accuracy
±0.1ºCdp (0.18ºFdp) (typical system accuracy)
Sensitivity
0.01 ºC
0.018 ºF
Response Speed
0.5ºC/sec + setting time (0.9ºF) (dew point dependent)
Repeatability
Better than 0.1ºC (0.18ºF)
Recommended Sample Flow Rate
0.1 to 0.7 L/min
0.2 to 1.5 scfh
Sensor Pressure
0.1 MPa
1 barg
14.5 psig
Electrical Input/Output
Analog Outputs
10 mV/ ºCdp, 4-20 mA
Digital Outputs
RS232: data hold, ABC status, optics alarm (logic)
Output Ranges
Display Resolution
0.01 for all units
Power Supply
90 to 265 VAC; 50-60 Hz (monitor)
Operating Conditions
Sensor Operating Temperature
-30 to +30 ºC (-22 to +86 ºF) (remote)
-30 to +90 ºC (-22 to +194 ºF) (climatic)
Mechanical Specification
Sensor Housing Type
Bench case; space frame (climatic version)
Dimensions (W X D X H)
268 x 300 x 133 mm
10.6 x 11.8 x 5.2 in
Weight
5.5 kg; 4.8 kg (climatic version)
12.1 lb; 10.6 lb (climatic version)
Maximum Cable Length
50 m
164 ft
Display
Dual 6 digit LED, with 2 digit eng unit indicators
Dual Optics Detection System
Wide band red LED with dual photo sensors
Integrated Flowmeter
0 to 1 L/min
0 to 2 scfh
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Dew-Point, Humidity, Oxygen
