Varec Prothermo NMT539 Average Temperature Converter
BRAND : Varec
The Prothermo NMT539 provides a single, intrinsically safe solution for average temperature and water bottom (interface) measurement. Choose the modules you need – temperature probe, water bottom sensor, converter – or combine them together into a single new instrument.
The Prothermo NMT539 provides a single, intrinsically safe solution for average temperature and water bottom (interface) measurement. Choose the modules you need – temperature probe, water bottom sensor, converter – or combine them together into a single new instrument.
Specifications
Elements/Probe
Converter Compatibility: Pt100, Cu100, Cu90, PtCu100, JPt100 (maximum 16 elements)
With probe: up to 16 Platinum (Pt. 100), Class A elements per IEC PUB 751 1995
Accuracy
Temperature Accuracy: ±0.15 °C (±0.27 °F), or better conversion accuracy based on IEC 60751 class A standard
Water Bottom: 4mm (±2mm) or better accuracy (at reference condition)
Measuring Range
Temperature probe:
?40…+100 °C (?40…+212 °F), ?55…+235 °C (?67…+455 °F), -170… +60 °C (?328…+158 °F)
Water bottom probe: 0 to +100 °C (?32 to +212 °F)
Power & Communications
DC16?30V input (DC24V ±10% is supplied by the HOST i.s. HART communication line for standard applications.)
The Prothermo NMT539 consumes an average fixed current of 6 to 12 mA depending on configuration.
Approvals
Factory Mutual (FM) ? Intrinsically Safe ? Class I, Division 1, Groups C/D
Contact Varec for ATEX and IECEx approved devices.
Housing: rated IP65 (open housing: IP20)
Probe: rated IP68
Options
01 Approvals
- FM ? Intrinsically Safe ? Class I, Division 1, Groups C & D
- Contact Varec for ATEX and IECEx approved devices
02 Functionality
- Converter
- Temperature and Converter
- Water Bottom and Converter
- Temperature, Water Bottom and Converter
03 Temperature Measuring Range
- 40…+100 °C (?40…+212 °F)
- ?55…+235 °C (?67…+455 °F)
- ?170… +60 °C (?328…+158 °F)
04 Water Bottom Measuring Range
- None
- 1 m (3.3 ft)
- 2 m (6.6 ft)
05 Cable Entry
- Thread NPT 1/2
- Thread M20
06 Process Connection
- Flange JIS 10K 50A RF, Stainless steel 316
- Flange ANSI 2? 150lbs RF, Stainless steel 316
- Flange DIN DN50 PN10 RF, Stainless steel 316
- Flange JPI 2? 150lbs RF, Stainless steel 316
- Universal coupling, PF(NPS)3/4, (converter only)
- Thread M20 (converter only)
07 Number of Elements
- 2…Pt100 elements
- 3…Pt100 elements
- 4…Pt100 elements
- 5…Pt100 elements
- 6…Pt100 elements
- 7…Pt100 elements
- 8…Pt100 elements
- 9…Pt100 elements
- 10…Pt100 elements
- 11…Pt100 elements
- 12…Pt100 elements
- 13…Pt100 elements
- 14…Pt100 elements
- 15…Pt100 elements
- 16…Pt100 elements
08 Element Spacing
- 2m (2000mm or 79?)
- 1.5m (1500mm or 59?)
- 1m (1000mm or 39?)
- Custom element position & spacing
- 3m (3000mm or 118?)
09 Probe Length
- Probe length 3 ft to 131ft below flange to edge of probe
- …..mm probe length
- …..mm probe length, gas?tight feed through
10 Mounting Accessories
- Anchor weight 7.09? tall, diameter 4.72? (180mm tall, diameter 120mm)
- Anchor weight – Low profile to be laid on bottom of tank Length 39.37? (1000mm); Diameter 1.61? (41mm)
- Tensioning wire + top anchor
- Tensioning wire, wire hook, R1 top anchor
