Dynacal Wafer Device - Ammonia wafer CAS # 7664-41-7

VICI MetronicsSKU: PDWF-0140

Price:
Request a price quote.

Overview


Wafer devices are a specialized type of permeation tube where only a small area of the tube is permeable, creating a window—or wafer—that allows very low permeation rates. Like perm tubes, wafer devices are small, inert capsules containing a pure chemical compound, but permeation occurs only through the polymeric wafer; thus, the permeation rate can be controlled by varying the wafer material, thickness, and diameter of the permeation opening.

Gases with a high vapor pressure at normal permeation temperatures sometimes cannot be contained in a typical permeation tube device. Wafer devices are ideal for applications with these gases. VICI Metronics wafer devices are available in different styles for use in calibrators made by various manufacturers.

Contact us for more information about the list of standard chemicals available. Experimental and non-standard chemicals are also available on request.

View a sample of the Instruction Sheet and Calibration Certificate that are provided for each wafer permeation device

Download Brochure

Total Length: 4.6 cm

Dia: 1.6 cm

Temperature °C Flow Rate
30°c 41 ng/min
35°c 57 ng/min
40°c 82 ng/min
45°c 119 ng/min
50°c 165 ng/min


We offer Certified devices, but these are special order only. See the below list for other custom options for different flow rates. Please Contact us for a quote and lead time.

SPECIAL ORDER ONLY -NH3 Wafer Rates

Temp °C










30

12

18

27

41

54

60

102

170

280

35

17

25

38

57

76

85

140

240

400

40

25

36

55

82

110

120

200

340

560

50

50

72

110

165

220

240

400

680

1,130

You may also like

Recently viewed