DPL 4000

DPL 4000

Portable Low Range Dew Point system used for accurate and reliable verification of gases using the latest in sensor technology

Commonly used for the verification of Hydrogen, Nitrogen or Argon dew point.  Quick disconnect setup for use on multiple gas feed lines.  Rapid response sensor used for quick readings.


Hand-held display
Sensor and flow block
USB and adapter cable

Utility software


Dew Point Measurement

Measurement of very low dew points with high accuracy
Excellent long term stability
Rapid response time with fast stabilizing dew point reading
Durable against condensation
Includes hand-held instrument, sensor, sensor housing, flow meter, quick connect fittings, logging software, and durable carrying case
Total Measurement Range:-148° to 32°F (-100° to 0°C); +/- 5.4°F (+/- 3°C)
Optimal Measurement Range:-112 to -22°F (-80 to -30°C); +/-3.6°F (+/- 2°C)
Operating Temperature:-40 to 140°F (-40 to 60°C)
Operating Pressure Range:0 to 725 psi (0-50 bar)
Operating Humidity:Non-condensing
Analog Outputs:4 – 20mA
0 – 20mA
0 – 1 V
0 – 10 V
Alarm Indication 
Sensor Threads:NPT 1/2″
Sensor Housing:IP65 – NEMA4 (AISI316L)
Display Housing:IP54
Display Weight:400g
Power:Rechargeable NIMH Battery (included) or 4 “AA” Batteries
Battery Recharging Time:Approximately 4 Hours
Battery Charger Input Requirements:110-240VAC / 47-63Hz / 400mA
Run Time on Battery Power:48 Hours Continuous Use / Up to 30 days Data logging only
Languages Supported:Nine possible languages (See manual for details)
Data Logging Capacity:2700 points, user-selectable measurement interval
Data Logging Interval Options:1s, 5s, 15s, 30s, 1min, 5min, 30min, 1h, 3h, 12h
Logging Duration Options:1min, 5min, 15min, 30min, 1h, 3h, 12h, 24h, 7d, 31d, Memory Full
Available Display Units:
(Between 1 and 3 can be
displayed at one time)
Dew Point Temperature (°F or °C)
PPB (Parts Per Billion Water – by volume)
PPM (Parts Per Million Water – by volume)
PPMW (Parts Per Million Water – by weight)