The FMR60 Radar Tank Gauge (RTG) is a smart, 80 GHz radar tank gauge for continuous and non-contact level measurement with an accuracy rate of ±1 mm.
Specifications
Accuracy
Measuring distance up to 0.8 m (2.62 ft): max. ±4 mm (±0.16 in) – digital, ±0.03% analog
Measuring distance > 0.8 m (2.62 ft): ±1 mm (±0.04 in), digital, ±0.02% analog
Non-repeatability – ? 1 mm (0.04 in)
Power Consumption
2-wire; 4-20mA HART: < 0.9 W
2-wire; 4-20mA HART, switch output:< 0.9 W
2-wire; 4-20mA HART, 4-20mA: < 2 x 0.7 W
Current Consumption
HART:
Nominal current: 3.6 to 22mA. The start-up current for multidrop mode can be parametrized
(is set to 3.6mA on delivery)
Breakdown signal (NAMUR NE43): adjustable: 3.59 to 22.5mA
Temperature
+24 °C (+75 °F) ±5° F (±9° C)
Pressure
960 mbar abs. (14 psia) ±100 mbar (±1.45 psi)
Weight
3.2 – 3.9 kg (7.11 – 8.61 lb) plus flange weight
Enclosure
Degree of protection:
With closed housing tested according to:
IP68, NEMA6P (24 h at 1.83 m under water surface)
For plastic housing with transparent cover (display module): IP68 (24h at 1.00 m under
water surface)
IP66, NEMA4X
With open housing: IP20, NEMA1
Display module: IP22, NEMA2
Housing GT19: plastic
Housing GT20: aluminium, seawater repellent, powder coated
Antenna
IP 68 (NEMA 6P)
Ambient Temperature
Unit: -40 °F and +176 °F (-40 °C and +80 °C)
Display: -4 °F and +158 °F (-20 °C and +70 °C)
Operating Frequency
Approx. 80 GHz, up to 8 devices can be installed in the same tank
Approvals
FM, ATEX, IEC Ex, or NEPSI
Options
Approvals and Certifications
FM, CSA, ATEX, IECEx, NEPSi, KC, INMETRO, JPN, and TIIS
Antenna
Drip-off, PTFE 50mm/2? antenna
Seal
FKM Viton GLT (-40…80° C/-40…176° F or – 40…130° C/-40…266° F) and EPDM (-40…130° C/-40…266° F)
Process Connections
Threaded ISO0228 G1-1/2?, 316L
Thread ANSI MNPT1-1/2?, 316L
PP or 316L – UNI flange 3?/DN80/80, max 4bar abs/58psia, suitable for NPS 3? Cl.150/DN80 PN16/10K 80
PP or 316L – UNI flange 4?/DN100/100, max 4bar abs/58psia, suitable for NPS 4? Cl.150/DN100 PN16/10K 100
PP or 316L – UNI flange 6?/DN150/150, max 4bar abs/58psia, suitable for NPS 6? Cl.150/DN150 PN16/10K 150
Output Options
HART
Gland Entry
Metric, NPT, G
Languages
Over 15 national languages available
