Model A601-2A/2B High-precision Platform Tiltmeter

Model A601-2A/2B High-precision Platform Tiltmeter

The model A601-2 Platform mount tiltmeter is designed for high precision tilt measurements. Units come with built-in micrometer leveling legs, for easy installation on any horizontal surface.

The model A601-2 Platform mount tiltmeter is designed for high precision tilt measurements. Units come with built-in micrometer leveling legs, for easy installation on any horizontal surface.

The A601-2 also includes two switchable gains and two low-pass filter settings. Using an absolute gravity-referenced electrolytic sensor, the A601-2 delivers ultra-high sensitivity to <25 nrad with virtually zero long-term drift. Output is a stable ±8 DC voltage (±16 VDC differential).

Rugged, reliable, and extremely accurate, the A601-2 is the preferred choice for volcano monitoring, high-precision geotechnical engineering, bridge deflection monitoring, precision metrology, radar platform leveling, and high-accuracy tilt monitoring applications worldwide.

Weight

1.36 kilograms

Dimensions

152.4 x 152.4 x 101.6 mm

Angular Range

±0.0115°, ±0.0235°, ±0.115°, ±0.235°

Scale Factor

25 nradian/mV, 250 nradian/mV, 50 nradian/mV, 500 nradian/mV

Non-linearity (%)

2

Resolution

<25 nradians, <50 nradians

Time Constant (seconds)

Filter off 0.5 sec, Filter on: 7.5 sec

Kz Coefficient (°/C, typical)

±3µradian

Ks Coefficient (%/C, typical)

0.05

Output (VDC)

Differential: ±16Vdc, Single-ended: ±8Vdc

Channels

Temperature, X-tilt, Y-tilt

Output Impedance (Ω)

270

Temperature Output

0.1°C/mV typical (single ended; 0°C = 0mV)

Power

250mV ripple max, Reverse polarity protected, ±11 to ±15 Vdc @ +11 and -6mA

Environmental

-25 to +70°C, -30 to +100° C storage, IP50 Seal

Materials

Anodized and painted aluminum dome, Stainless Steel base and hardware

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