Vaisala Dmt132 Verifies Dew Point Measurement for Freeze Dryers

• Brand: Vaisala
• Customized: Non-Customized
• Portable: Non Portable
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: DMT132
• Certification: CE, RoHS
• Gas: Compressed Gas
• Type: Electrochemical Gas Analyzer
• Recommended Calibration Interval: 2 Years
• Mechanical Connection: G1/2" ISO
• Operating Voltage: 10 .... 28 VDC
• Weight: 65 G (2.3 Oz)
• Housing Material: PPS + 40 % GF
• Start-up Time: 3 S
• Operating Pressure: 0 ... 20 Bar
• Relative Humidity: 0 ... 100 %Rh
• Resolution for Current Output: 0.002 Ma
• Transport Package: Export Carton
• Specification: 65g
• Trademark: Vaisala
• Origin: Finland
• HS Code: 9025800090
• Production Capacity: 10000 PCS Per Year
• Package Size: 25.00cm * 10.00cm * 6.00cm
• Package Gross Weight: 1.000kg

Product Description

 

Product Description

Vaisala HUMICAPâ Dew Point Transmitter DMT132 is an a€ordable dew point measurement instrument designed to verify the functionality of refrigerant dryers. It is especially well suited for OEM dryer manufacturers.

Features

1. High accuracy ±1 °C (±1.8 °F) in the measurement range of refrigerant dryers
 

2. Excellent long-term stability - resistant to compressor oil and most other
 chemicals thanks to HUMICAP technology
 

3. Low power requirements 10 ... 28 VDC
 

4. Operating pressure 0 … 10 MPa (0 … 100 bar)
 

5.  Easy to verify functionality with compatible Vaisala DM70 or HM70 hand-held meters
 

6.  Optional LED warning light

Direct Measurement Cuts Costs

Direct outlet air dew point measurement provides accurate information about dryer functionality and is more reliable than the traditional method of measuring refrigerator temperature only. Knowledge of the real dew point ensures high quality compressed air at all times and enables customers to optimize dryer capacity. This helps to prevent

investment in redundant dryer capacity and avoid unnecessary maintenance and costly malfunctions.
 

High Accuracy and Long-Term Stability

DMT132 provides optimal performance in the operating range of refrigerant dryers. In the measurement range of -3 … 20 °C (+26.6 … +68 °F), where the refrigerator dryers typically operate, the Td accuracy is ±1 °C (±1.8 °F). The instrument incorporates the proven Vaisala HUMICAPâ sensor, which is resistant to compressor oil and most other

chemicals, thereby providing excellent long-term stability.

 

Quick Installation and Easy Field Checking

It takes just a few minutes to install DMT132 directly into a dryer or compressed air line through a G1/2" ISO thread. Vaisala sampling cells can also be used. The loop-powered electronics mean that wiring is easy and power requirements are low. DMT132 operating voltages can be as low as 10 VDC. Verifying the performance of DMT132 is

easy with the compatible Vaisala DM70 or HM70 hand-held meters. The user can perform possible adjustments with Vaisala HMK15 Humidity Calibrator.

Product Parameters

Measurement performance

Relative humidity
Measurement range	-30 ... +50 °C (-22 ... +122 °F) Td
Accuracy at +20 °C (+68 °F)	±1 °C for -3 ... 20 °C (+26.6 ... +68 °F) Td 1) ±2 °C for -15 ... -3 °C (+5 ... +26.6 °F) Td 1) See accuracy graph below
Typical Response Time at 20 °C (+68 °F) Gas Temperature and 1 Bar Pressure
-14 → +3 °C (+7 → +37 °F) Td	15 s
	17 s (63 %) 40 s (90 %)
+3 → -14 °C (+37 → +7 °F) Td	33 s (63 %) 85 s (90 %)
Calculated Variables	−70 … +180 °C (−94 … +356 °F)
Dew point converted to atmospheric pressure	Tdf atm

 

Outputs

Analog output (scalable)	4 ... 20 mA, 2-wire
Resolution for current output	0.002 mA
Accuracy of analog outputs at +20 °C	±0.05 % full scale
Typical temperature dependence	±0.005 % of full scale/ °C
Connector	4-pin M8 (IEC 60947-5-2)
LED indication available for defined dew point limit/error state indication RS-485 serial line for service use

Mechanical Specifications

Sensor
Absolute humidity at NTP (g/m³ )	Vaisala HUMICAPâ 180R
Recommended calibration interval (in refrigerant dryer application)	2 years
Mechanical connection	G1/2" ISO
Operating voltage	10 .... 28 VDC
External load	Max. 100 Ω for supply voltages < 20 VDC Max. 500 Ω for supply voltages 20 ... 28 VDC
Weight	65 g (2.3 oz)
Housing material	PPS + 40 % GF
IP rating	IP65 (NEMA 4)
Storage temperature range	-40 ... +80 °C (-40 ... +176 °F)
Start-up time	3 s

Detailed Photos

Product Dimensions

 

 

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