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Operating instructions
Magnetic piston type pressure gauges
for differential pressure – high over-
load protection
Type: MAG 80/100 Dif
# 88002312 - # 88041312
Magnetic diaphragm pressure gauges
for very low differential pressure
Type: MAG 115 Dif
# 88002311 - # 88021311
Read instructions before using device!
Observe all safety information!
Keep instructions for future use!
05.2016 0
854.001.0443
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Summary of Contents for AFRISO MAG 80 Dif
- Page 1 Operating instructions Magnetic piston type pressure gauges for differential pressure – high over- load protection Type: MAG 80/100 Dif # 88002312 - # 88041312 Magnetic diaphragm pressure gauges for very low differential pressure Type: MAG 115 Dif # 88002311 - # 88021311 ...
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Page 2: Table Of Contents
Table of contents This instruction manual.................... 3 Precautions ....................3 Explanation of symbols and typeface ............3 Safety........................4 Intended use....................4 Predictable incorrect application ..............4 Safe handling ....................4 Staff qualification ..................4 Modifications to the product ................. 4 Usage of spare parts and accessories ............ -
Page 3: This Instruction Manual
This instruction manual This instruction manual This instruction manual is part of the product. Read this manual before using the product. Keep this manual during the entire service life of the product and always have it readily available for reference. ... -
Page 4: Safety
Safety Safety Intended use The magnetic piston type pressure gauges MAG 80 Dif and MAG 100 Dif may only be used for differential pressure measure- ment of gaseous and liquid, non-adhesive media. The Magnet-magnetic diaphragm pressure gauge MAG 115 Dif may only be used for differential pressure measurement of air or compatible gases. -
Page 5: Usage Of Spare Parts And Accessories
Safety Usage of spare parts and accessories Usage of unsuitable spare parts and accessories may cause dam- age to the product. Use only genuine spare parts and accessories of the manufac- turer. Liability information The manufacturer shall not be liable in any form whatsoever for direct or consequential damage resulting from failure to observe the technical instructions, guidelines and recommendations. -
Page 6: Product Description
Product description Product description Scope of delivery MAG 115 Dif 1 Three fixing clamps for panel mounting 2 Two 1/8 NPT (A) blind plug for closing un- used connections 3 Three screws M3 x 4 4 Three tapping screws type AB 4 x 19 5 Two 1/8 NPT (A) adapters for hose connec- tion and lower or rear connections MAG with electrical contact... - Page 7 Product description Fig. 2: Function principle MAG 115 Dif High and low pressure are separated by a sensor unit consisting of a magnetic piston, a Buna seal (MAG 80/100 Dif) of a diaphragm (MAG 115 Dif) and a measuring spring. The pressure difference causes a movement of the sensor unit against the measuring spring proportional to the pressure change.
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Page 8: Technical Specifications
Technical specifications Technical specifications MAG 80/100 Dif Fig. 3: Connection on left and right sides Fig. 4: Connection on right and left side; with electrical contact Fig. 5: Connection on right and left sides; 3-hole fixing, panel mount- ing bezel MAG 80/100 Dif, MAG 115 Dif... - Page 9 Technical specifications Fig. 6: Mounting plate and fixing clamp Table 1: Technical specifications MAG 80/100 Dif Parameters Value General specifications Housing Ø MAG 80 Dif 80 mm MAG 100 Dif 100 mm Panel cut out: MAG 80 Dif Ø 84 mm MAG 100 Dif Ø...
- Page 10 Technical specifications Parameters Value Degree of protection IP 65 as per EN 60529 Operating temperature range Ambient 0 °C to 80 °C Medium Max. 100 °C Material (parts not wetted) Housing Stainless steel 1.4301 with rubber sealing ring at the front Connection cover Plastic, glass-fibre reinforced, black Dial...
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Page 11: Mag 115 Dif
Technical specifications MAG 115 Dif Fig. 7: Connection on right and left sides or on rear Fig. 8: Connection on right and left sides or on rear; with electrical contact MAG 80/100 Dif, MAG 115 Dif... - Page 12 Technical specifications Fig. 9: Mounting plate and fixing clamp MAG 80/100 Dif, MAG 115 Dif...
- Page 13 Technical specifications Table 2: Technical specifications MAG 115 Dif Parameters Value General specifications Housing Ø 115 mm Panel cut out Ø 115 mm Connection 2 x 1/8 NPT female thread or 2 x hose connection 5 mm (as required by using the enclosed adapters) Range (EN 837-3/5) 0/0.25 mbar to 0/100 mbar...
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Page 14: Electrical Contacts
Technical specifications Parameters Value Seal Electrical contacts Table 3: Technical specifications electrical contact Parameters Value Version Reed contact, single, changeover contact (SPDT) Switching voltage AC/DC 30 V Switch rating AC 3 VA Current AC/DC 300 mA Switching hysteresis Approx. 5 % Adjustment range: MAG 80/100 Dif 35-100 % of full scale value... -
Page 15: Reed Contact (Spdt)
Transport and storage Reed contact (SPDT) Table 4: MAG 80/100 Dif: Terminal block connection 1 Contact no. 1 One contact Two contacts 2 Load 3 L or (+) 4 N or (-) 5 Contact no. 2 R Red B Black Y Yellow Table 5: MAG 80/100 Dif and MAG 115 Dif: One contact 1 L or (+) -
Page 16: Mounting And Commissioning
Mounting and commissioning Mounting and commissioning Prior to mounting Verify compatibility of the medium with the wetted parts. See chapter 4, page 8 for the materials. The following conditions must be met at the installation site for cor- rect indication: ... -
Page 17: Panel Mounting (Mag 115 Dif)
Mounting and commissioning MAG 115 Dif: High pressure: Connect the line from the high pressure source to one of the two high pressure connections. Low pressure: Connect the line from the low pressure source to one of the two low pressure connections. Close the unused connections using the enclosed blind plug. -
Page 18: Wall Mounting Or Pipe Mounting (Option)
Mounting and commissioning Wall mounting or pipe mounting (option) Table 6: MAG 80/100 Dif Wall mounting Pipe mounting MAG 115 Dif: Close rear connections with the enclosed metal plugs. Table 7: MAG 115 Dif Wall mounting Pipe mounting MAG 80/100 Dif, MAG 115 Dif... -
Page 19: Operation
Operation Operation CAUTION Damage to MAG due to improper connection. Apply high pressure and low pressure to MAG at the same time in order to avoid damage to internal parts. MAG has a piston type sensor unit (MAG 80/100 Dif) or a diaphragm (MAG 115 Dif) which detect the differential pressure. -
Page 20: Contact Settings (Mag With Electrical Contact)
Operation Contact settings (MAG with electrical contact) The contacts are usually factory-adjusted in order to save the cus- tomer time. However, you can also set the contact on site. The supply must not exceed the maximum contact rating! Table 8: Contact adjustment screw (1) MAG 80/100 Dif MAG 115 Dif ... -
Page 21: Troubleshooting
Troubleshooting Troubleshooting CAUTION Impact on calibration due to improper assembly of the product. Do not open MAG. Table 9: Troubleshooting Problem Possible reason Repair MAG indicates MAG 115 Dif: Verify that the unused incorrect values Unused connec- connections have been or no values at tions not closed. -
Page 22: Decommissioning, Disposal
(confirmation that the device is free from hazards) The declaration of decontamination can be downloaded at www.afriso.com. Without a declaration of decontamination, we are unable to process your returned device. Thank you for your understanding. If the product was operated with hazardous substances: Decontaminate the device in accordance with all pertinent direc- tives. -
Page 23: Copyright
Customer satisfaction is our prime objective. Please get in touch with us if you have any questions, suggestions or problems concerning your product. 14 Addresses The addresses of our worldwide representations and offices can be found on the Internet at www.afriso.de. MAG 80/100 Dif, MAG 115 Dif...
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