Edgetech Instruments DewTrak II-MO 증기 및 대기압 측정 장치 (0.56 gr/lb ~ 1070 gr/lb; 0 ~ 30 in Hg)

Sensor Types: Primary method chilled mirror dew/frost point sensor with two-stage thermoelectric cooling, barometric pressure sensor. 

Mirror: 

Standard: Chrome plated.

Measurement Range: 

Water Content: 0.56 gr/lb. to 1070 gr/lb.

Barometric Pressure: 0 to 30 in of Hg.

Depression: 60°C.

Accuracy: 

Water Content: ±0.5 gr/lb.

Barometric Pressure: ±0.044 in of Hg.

Repeatability: ±0.1 gr/lb.

Response: 2.7 gr/lb./sec (excluding settling time).

Hysteresis: Negligible. 

Display Parameters: 

Dew/frost point.

Pressure.

Grains per pound.

Sample Flow Rate: Static to 3,000 linear ft./min.

Operating Pressure: 

Standard: 100 psig max.

Higher pressure: Available on special order.

Analog Outputs: 

2 analog outputs: 4 to 20 mA or 0-5 Vdc to 0-10 Vdc selectable.

Load:

4 to 20 mA: 0 to 250 ohms.

0 to 5/10 Vdc: 1 K ohm or higher.

Serial Output: RS232 bi-directional. 

Relay Outputs: 

2 programmable alarm relays:

K1: Clean mirror/Alarm 1.

K2: Servolock/Alarm 2.

Contact Rating:

Normally open (NO): 3 A at 25 Vac, or 30 Vdc.

Remote Cable Configuration: 0 ft. standard, 50 ft. max.

Power Supply: 24 Vdc ± 20%, 1 A max. 

Weight: 3 lbs. (1.4 kg).

Datasheet

Applications

Automotive

Dynamometers

Engine Test Cells

R&D Test & Measurement