Model A711-2 & A716-2

Model A711-2 & A716-2

The models A711-2 (floor-mount), and A716-2 (wall-mount) bolt or clamp to any surface, and are well suited for areas with heavy traffic or vibration. Electronic performance is identical to the model A701-2.

The models A711-2 (floor-mount), and A716-2 (wall-mount) bolt or clamp to any surface, and are well suited for areas with heavy traffic or vibration. Electronic performance is identical to the model A701-2.

Floor-mount models are available with a weatherproof NEMA 4X seal (A711-2 4X), or with an RS-232, RS-422, or RS-485 digital output (D711). D711 units also include onboard memory with a storage capacity of up to 22,000 samples.

Units include two switchable gains and two low-pass filter settings and are sensitive to <0.1 µrad. Applications include volcano monitoring, high-precision geotechnical engineering, bridge deflection monitoring, precision metrology, radar platform leveling, and high-accuracy tilt monitoring applications where bolt-on installations are required.

Weight

1.36 kilograms

Dimensions

152.4 x 152.4 x 101.6 mm

Applications

Geotechnical engineering, Platform Leveling, Structural Monitoring, Volcano Monitoring

Linear Range (°)

High Gain: ±0.046, High Gain: ±0.8, Low Gain: ±0.46, Low Gain: ±8.0

Scale Factor

High-Gain: 0.1 µradian/mV, High-Gain: 0.1°/V, Mid-Range: 1°/V, Mid-Range: 1µradian/mV

Non-linearity (%)

High-Gain: 0.2, Mid-Range: 1.5, Mid-Range: 2%

Resolution

0.1µradian, 1.0µradian

Repeatability

1µradian (static), 2µradian (static)

Time Constant (seconds)

Filter off 0.4 sec, Filter off 0.5 sec, Filter on: 7.5 sec

Kz Coefficient (°/C, typical)

±0.001µradian, ±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

Seal

IP50

Materials

Anodized and Alodine Aluminum

Cable

3m (10 ft) multiconductor cable + overall shield, Connectors included, PVC jacket

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