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Original factory packaging
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Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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Product Manual
Cost-Effective Moisture Measurement in Harsh Applications
Features
Ideal for OEM dryer use
Dew-point measurement range -40 to +60 °C (-40 to +140 °F)
Fast response
Rugged IP65 construction
3-Point traceable calibration certificate
Accuracy ±2°C (±3.6°F)
Voltage or mA outputs
The SF52 dew-point transmitter is a simple, cost effective moisture sensor designed for use in harsh industrial dryer applications. It is reliable and tough enough to withstand the high temperatures often associated with industrial drying.
The SF52 is available with a choice of G1/2” and 1/2” NPT process connections and voltage or mA outputs. A key feature of the unit is the recessed and protected measuring element giving an extended sensor life cycle.
Our polymer-based moisture sensor is calibrated on a high volume traceable calibration system, providing OEM quantities of units on short deliveries, each with a 3-point calibration certificate.
Specifications
| Performance | |||||||||
| Measurement Range | -40 to +60°C (-40 to +140°F) dew point | ||||||||
| Accuracy | ±2°C (±3.6°F) dew point | ||||||||
| Repeatability | 0.5°C (0.9°F) dew point | ||||||||
| Accuracy (Absolute Humidity) | 0.4 to 3 g/m3 on value of absolute humidity | ||||||||
| Stability | <1°C (<1.8°F) / year | ||||||||
| Calibration | Traceable 3-point calibration certificate | ||||||||
| Electrical Specifications | |||||||||
| Output Signal | 0 to 1, 0 to 5, 0 to 10 V or 4–20 mA (3-wire) | ||||||||
| Output | Dew point, absolute humidity | ||||||||
| Analog Output Scaled Range | Standard -40 to +60°C (-40 to
+140°F) -30 to +30°C (-22 to +86°F) 0 to 200g/m3 Non-standard available upon request |
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| Supply Voltage | 14 to 30 V DC (for 0 to 10 V output) 8 to 30 V DC (for 0 to 1 / 0 to 5 V / 4-20 mA output) |
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| Current Consumption | V output <9 mA mA output <29 mA |
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| CE Marked | Certified | ||||||||
| Operating Specifications | |||||||||
| Operating Humidity | 0-100% RH | ||||||||
| Operating Temperature | -40 to +60°C (-40 to +140°F) | ||||||||
| Operating Pressure | 2 MPa (20 barg / 290 psig maximum) | ||||||||
| Thermal Compensation | Characterized over operating range temperature | ||||||||
| Mechanical Specifications | |||||||||
| Ingress Protection | IP66 in accordance with standard BS EN 60529:1992 NEMA 4 in protection accordance with standard NEMA 250-2003 |
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| Housing Material | Nickel-coated brass | ||||||||
| Dimensions | L=85mm, ?24mm (maximum) | ||||||||
| Filter | HDPE front filter | ||||||||
| Process Connection | G1/2” BSP, 1/2” NPT | ||||||||
| Weight | 320g (11.3oz) | ||||||||
| Cable | 2m (6.6’) of halogen free TPE cable | ||||||||
| Diagnostic Conditions (Factory Programed) |
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Suitable Applications
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