Varec NMS80 Proservo Tank Gauge
BRAND : Varec
The NMS80 Proservo Tank Gauge (PTG) is an intelligent tank gauge for high accuracy liquid level measurement and is suited for both custody transfer and inventory management applications employing the latest microprocessor technology.
The NMS80 Proservo Tank Gauge (PTG) is an intelligent tank gauge for high accuracy liquid level measurement and is suited for both custody transfer and inventory management applications employing the latest microprocessor technology.
Specifications
Accuracy
+/-0.4 mm for (+/- 0.015 in)
(Under reference condition, according to OIML R85)
Interface Level
+/-2 mm (+/-0.08)
(Difference of product densities 0.100 g/cm3 (6.25lb/ft3))
Standard Range
28m with 316L measuring wire
Spot and Profile Density
+/-0.003 g/cm3 (Under reference condition, according to OIML R85)
Medium Density
0.430 to 2.000 g/cm3 (27 to 125 lb/ft3)
Medium Density Difference
Enclosure Materials
Electrical compartment: aluminium
Drum chamber: aluminium
Rated IP66/68, NEMA Type 4x/6P enclosure
Wire Protection
PTFE coated St/St 316L, 0.4mm (max 16m)
Pressure Rating
Suitable for atmospheric and high pressure applications up to 6 bar/0.6 MPa/87 psi
Power Requirements
High voltage type: 85 to 264 VAC, 50/ 60
Hz, 28.8 VA
Low voltage type: In preparation
Safe Electrical Isolation
Bus inputs are electrically isolated from the other electronics
Operating (liquid) Temperature
-200 to +200°C (-328 to 392°F)
Ambient Temperature
Device: -40 to +60°C (-40 to +140°F)
Display Module: -20 to +70°C (-4 to +158°F)
Display (LCD)
Four line, white background lighting, switches to red for device errors
Language selection: English, German, Japanese
Programming
Local display; operation via the local display is possible without opening the device
Configuration software (e.g. DeviceCare); connected via:
– HART
– Service port (CDI) with optional Commubox FXA291
HART Ex ia/IS Active Input
The HART Ex ia/IS active input is available by default. It needs not to be chosen
explicitly when ordering a device.
Approvals
ATEX, FM, IEC Ex, NEPSI
Metrological approvals and certificates – OIML, NMi, PTB
Options
Flange Type
ASME or DIN. Refer to order code for full selection
Wire Material and Ranges
28 m (93.33 ft), 36 m (120 ft): 316L
16 m (53.33 ft): PFA > 316L
22 m (73.33 ft): AlloyC276
Displacer Diameter
30…50mm (dependent on application), optional 70…110mm
Displacer Material
Stainless steel 316L, AlloyC, or PTFE
Measuring Range, Wire MaterialCable Entry
NPT, Metric, BSP (G) class threads
Primary Outputs
MODBUS RS485
V1
4-20mA HART Ex d/XP
+ 4-20mA HART Ex i/IS
Secondary I/O Analog
1 x “Ex d/XP 4-20mA HART + RTD input”
2 x “Ex d/XP 4-20mA HART + RTD input”
1 x “Ex i/IS 4-20mA HART+ RTD input”
2 x “Ex i/IS 4-20mA HART+ RTD input”
1 x “Ex i/IS 4-20mA HART + RTD input”
1 x “Ex d/XP 4-20mA HART + RTD input”
None
Secondary I/O Exd
1 x “2x relay + 2x discrete I/O”
2 x “2x relay + 2x discrete I/O”
3 x “2x relay + 2x discrete I/O”
1x “Modbus RS485”
1x “Modbus RS485”, 1 x “2x relay + 2x
discrete I/O”
1x “Modbus RS485”, 2 x “2x relay + 2x
discrete I/O”
None
