The FMR62 Radar Tank Gauge (RTG) is designed for 80GHz level measurement in aggressive liquids or applications with hygiene requirements.
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
2.7 – 7.4 kg (5.95 – 16.31 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 GT18: 316L, corrosion resistant
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
FKM Viton GLT, –40 to 200 °C (–40 to 392 °F) (with or without gas-tight feed through)
FFKM Kalrez, –20 to 200 °C (–4 to 392 °F) (with or without gastight feed through)
PTFE cladded, –40 to 200 °C (–40 to 392 °F) (with or without gastight feed through)
Seal
Integrated, PEEK, 3/4?
Integrated, PEEK, 1-1/2?
PTFE cladded flush mount DN50/2?
PTFE cladded flush mount DN80/3?
Process Connections
Thread: ISO228 G3/4, ISO228 G1-1/2, ANSI MNPT3/4, ANSI MNPT1-1/2: 316L
Tri-Clamp ISO2852 DN40-51 (2?), ISO2852 DN70-76.1 (3?), ISO2852 DN101.6 (4?)
NPS Cl.150, PTFE > 316/316L; 2?, 3?, 4?, 6?
NPS 4? Cl.300, PTFE > 316/316L
PN10/16, PTFE > 316L; DN50, DN80, DN100, SN150
10K, PTFE > 316L; 50A, 80A, 100A, 150A
DIN11851 PN25 slotted nut, PTFE > 316L; DN50, DN80
DN, & RF
Output Options
HART
Gland Entry
Metric, NPT, G
