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| | | Coaxial Steam Probe (7ML1301-5) | Coaxial Interface Probe (7ML1301-6) | Single Rigid Rod Probe (7ML1303-1) | Single Rigid Rod HT/HP Probe (7ML1303-2) | Single Rigid Rod Probe, PFA rod insulation (7ML1303-1J) | |
| | Model reference number | 7xS-x | 7xT-x | 7xF-x | 7xJ-x | 7xF-4 | |
| | Recommended applications: | Hot water (steam) >+200 °C (+400 °F) (external chamber is required for use in boilers) | Liquid/liquid-interface, temperatures to +200 °C (+400 °F); clean, low-viscosity liquids | Coating and buildup, foam | Coating and buildup, foam | Excessive coating and buildup, foam | |
| | Not recommended for: | General purpose, coating and buildup, foam | Coating and buildup, foam | Low dielectric media (dK< 10)1) | Low dielectric media (dK < 10)1) | Low dielectric media (dK < 10)1) | |
| | Materials/wetted parts | 316L SS, PEEK spacers, Aegis PF128 O-ring2) | 316L S2S), TFE spacers, O-ring 2) | 316L SS, PTFE, O-ring 2) | 316L SS, TFE, O-ring 2) | 316L SS, PFA, PTFE, O-ring2) | |
| | | Aegis PF128 O-ring2), PEEK only | O-ring2) | O-ring2) | Aegi2s) PF128 O-ring only2) | O-ring2) | |
| | Rod/Tube diameter: | | | | | | |
| | Standard | 0 8 mm (0.3125") rod 0 22 mm (0.875") tube | 0 8 mm (0.3125") rod 0 22 mm (0.875") tube | 0 12 mm (0.5") rod | 0 12 mm (0.5") rod | 0 12 mm (0.5") rod 0 16 mm (0.625") insulation | |
| | Enlarged | N/A | 0 15 mm (0.63") rod 0 45 mm (1.75") tube | N/A | N/A | N/A | |
| | Process connection thread: | | | | | | |
| | Standard | %" NPT [(Taper), ANSI/ASME B1.20.1], G 1" [(BSPP), EN ISO 228-1] | %" NPT [(Taper), ANSI/ASME B1.20.1], G 1" [(BSPP), EN ISO 228-1] | %" NPT [(Taper), ANSI/ASME B1.20.1], G 1" [(BSPP), EN ISO 228-1] | %" NPT [(Taper), ANSI/ASME B1.20.1], G 1" [(BSPP), EN ISO 228-1] | 2" NPT [(Taper), ANSI/ASME B1.20.1], G 2" [(BSPP), EN ISO 228-1] | |
| | Enlarged | N/A | 2" NPT [(Taper), ANSI/ASME B1.20.1] | 2" NPT [(Taper), ANSI/ASME B1.20.1] | 2" NPT [(Taper), ANSI/ASME B1.20.1] | N/A | |
| | Flange ASME | | | | | | |
| | (EN/DIN): | 1 to 4" (DN 25 to 100) | 1 to 4" (DN 25 to 100) | 2 to 4" (DN 50 to 100) | 2 to 4" (DN 50 to 100) | 2 to 4" (DN 50 to 100) | |
| | Standard Enlarged | N/A | 2 to 4" (DN 50 to 100) | N/A | N/A | N/A | |
| | Length | 60 to 455 cm (24 to 180") | 60 to 610 cm (24 to 240") | 60 to 610 cm (24 to 240") | 60 to 610 cm (24 to 240") | 60 to 610 cm (24 to 240") | |
| | Transition zone: Top | 25 mm (1") @ dk > 10 | none | Blocking distance: 12 to 91 cm (4.8 to 36"), probe length dependent | Blocking distance: 12 to 91 cm (4.8 to 36"), probe length dependent | Blocking distance: 12 to 91 cm (4.8 to 36"), probe length dependent | |
| | Transition zone: | 25 mm (1") @ dk > 10 | 150 mm (6") @ dk = 1.4 | 25 mm (1") @ dk >10 | 25 mm (1") @ dk >10 | 25 mm (1") @ dk >10 | |
| | Bottom | | 25 mm (1") @ dk = 80 | | | | |
| | Process temperature maximum | +343 °C @ 165 bar g (+650 °F @ 2400 psi g) (saturated steam) | +200 °C @ 18 bar g (+400 °F @ 270 psi g) | + 150 °C @ 27 barg (+300 °F @ 400 psi g) | +316 °C @ 165 bar g (+605 °F @ 2400 psi g) | +150 °C @ 27 bar g (+300 °F @ 400 psi g) | |
| | Process | -40 °C @ 207 bar g | -40 °C @ 70 bar g | -40 °C @ 70 bar g | -40 °C @ 70 bar g | -40 °C @ 50 bar g | |
| | temperature minimum | (-40 °F @ 3000 psi g) | (-40 °F @ 1000 psi g) | (-40 °F @ 1000 psi g) | (-40 °F @ 1000 psi g) | (-40 °F @ 750 psi g) | |
| | Process pressure maximum | 165 barg@ +343 °C (2400 psi g @ +650 °F) | 70 bar g @ +20 °C (1000 psi g @ +70°F) | 70 bar g @ +20 °C (1000 psi g @ +70 °F) | 207 bar g @ +20 °C (3000 psi g @ +70 °F) | 70 bar g @ +20 °C (1000 psi g @ +70 °F) | |
| | Process pressure minimum/vacuum service | Yes, not hermetic | Yes, not hermetic | Not suitable | Not suitable | Not suitable | |
| | Dielectric range | 10 to 100 | Upper liquid layer 1.4 to 5 Interface liquid layer 15 to 100 | 1.9 to 1001) | 1.9 to 1001) | 1.9 to 1001) | |
| | Maximum viscosity | | | | | | |
| | Standard Enlarged | 500 cP N/A | 500 cP 1500 cP | 10000 cP (consult factory if severe agitation/turbulence) | |
| | Coating/buildup | No | No | Yes, maximum error 10% of coated length;% error related to dielectric of media, thickness of coating and coated probe length above media | |
| | Foam | No | No | Yes | Yes | Yes | |
| | Corrosives | Yes | Yes | Yes | Yes | Yes | |
| | Sanitary | No | No | No | No | No | |
| | Overfill | Yes | Yes | No | No | No | |
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