| Weight | 48 oz |
|---|---|
| Dimensions | 6 × 6 × 4 in |
| Applications | • Volcano monitoring |
Model 711-2 & A716-2
Highlights:
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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.
Additional information
A711-2, A716-2
A711-2, A716-2
| High Gain (Version A) | Mid-Range (Version B) | |
| Linear Range (°) | High Gain: ±0.046 Low Gain: ±0.46 | High Gain: ±0.8 Low Gain: ±8.0 |
| Scale Factor | High-Gain: 0.1 µradian/mV Mid-Range: 1µradian/mV | High-Gain: 0.1°/V Mid-Range: 1°/V |
| Non-linearity (%) | High-Gain: 0.2 Mid-Range: 2 | High-Gain: 0.2 Mid-Range: 1.5 |
| Resolution | 0.1µradian | 1.0µradian |
| Repeatability | 1µradian (static) | 2µradian (static) |
| Time Constant | Filter on: 7.5 sec Filter off 0.5 sec | Filter on: 7.5 sec Filter off 0.4 sec |
| Kz Temp Coefficient (°/°C, typical) | ±3µradian | ±0.001µradian |
| Ks Temp Coefficient (%/°C, typical) | 0.05 | |
| Output | Single-ended: ±8Vdc Differential: ±16Vdc |
|
| Channels | X-tilt, Y-tilt, Temperature | |
| Output Impedance (Ω) | 270 | |
| Temperature Output | 0.1°C/mV typical (single ended; 0°C = 0mV) | |
| Power | ±11 to ±15 Vdc @ +11 and -6mA, 250 mV ripple max, reverse polarity protected | |
| Environmental | Operational: -25 to +70°C Storage: -30 to +100°C |
|
| Seal | IP50 | |
| Materials | Anodized and painted aluminum | |
| Cable | 3m (10 ft) multiconductor cable + overall shield, PVC jacket, connectors included | |
A711-2A/B/C (4X)
A711-2A/B/C (4X)
| High Gain (Version A) | Mid-Range (Version B) | Wide Angle (Version C) | |
| Angular Range (°) | ±0.46 | ±4.0 | ±70 |
| Scale Factor | 1µradian/mV | 0.5°/V | 10°/V |
| Non-Linearity (%) | 1 | 5 full (2 up to ±3°) | Full Span: 4 Half Span: 1 |
| Resolution | <1µradian | 1µradian | 10µradian |
| Repeatability | 2µradians (static) | 2µradians (static) | 20µradians (static) |
| Time Constant | 0.15 sec | 0.2 sec | |
| Kz Temp Coefficient (bias/°C, typical) | ±4µradian | ±0.004° | |
| Ks Temp Coefficient (%/°C, typical) | ±0.04 | ±0.13 | |
| Output | Single-ended: ±8Vdc Differential: ±16Vdc |
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| Channels | X-tilt, Y-tilt, Temperature | ||
| Output Impedance (Ω) | 270 | ||
| Temperature Output | 0.1°C/mV typical (single ended; 0°C = 0mV) | ||
| Power | ±11 to ±15 Vdc @ +11 and -6mA, 250 mV ripple max, reverse polarity protected | ||
| Environmental | Operational: -25 to +70°C Storage: -30 to +100°C |
||
| Seal | IP65 (NEMA 4X) | ||
| Materials | Anodized and painted aluminum | ||
| Cable | 3m (10 ft) multiconductor cable + overall shield, PVC jacket, connectors included | ||
D711-A/B/C
D711-A/B/C
| High Gain (Version A) | Mid-Range (Version B) | Wide Angle (Version C) | |
| Total Range (°) | ±0.5 | ±5.0 | ±70 |
| Calibrated Linear Range (°) | ±0.5 | ±5.0 | ±60 |
| Non-linearity (%) | 0.4 | 0.1 | 0.1 |
| Resolution | 1µradian | 10µradian | 21µradian |
| Repeatability | 4µradians (static) | 15µradians (static) | 350µradians (static) |
| Time Constant | 0.15 sec | ||
| Kz Temp Coefficient (bias/°C, typical) | ±3.5µradian | ±0.004° | |
| Ks Temp Coefficient (%/°C, typical) | ±0.02 | ±0.05 | |
| Output | RS-232, RS-422 (RS-485 full duplex) | ||
| Output Format | NMEA XDR, Trimble TCM, Ashtec compatible, Simple (default: X, Y, Temp., S/N) | ||
| Channels | X-tilt, Y-tilt, Temperature, S/N | ||
| Power | 7-28 VDC @ 30mA, 250 mV ripple max, reverse polarity protected | ||
| Environmental | -40 to +85°C | ||
| Seal | IP65 | ||
| Materials | Anodized and painted aluminum | ||
| Cable | 3m (10 ft) multiconductor cable + overall shield, PVC jacket, connectors included | ||
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Highlights:
The model 875 Mini “Tuff Tilt” Tiltmeter combines high precision and durability in a miniaturized and economical instrument package. Using MEMS technology, the 875 delivers superior measurement accuracy with virtually no long-term drift and a resolution of 0.05°. Output options include 0.5-4.5Vdc, 4-20mA and digital RS-485. All units are rated IP67 waterproof for advanced protection from the elements. Use the 875 Mini “Tuff Tilt” for structural monitoring, angle measurement, and control, platform leveling, testing and research, OEM, and more.
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Highlights:
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