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    <pre style="white-space:pre-line"><code>Model D701-A/B

       Digital Platform Tiltmeter

The model D701 Digital Platform Tiltmeter is a high-
precision instrument with advanced firmware features.
Output is RS232 or RS422 (RS485 full duplex). The D701
also includes invar leveling feet for easy installation on
any horizontal surface. Using a high-precision
electrolytic sensor element, units deliver up to 1
Î¼radian resolution with virtually zero long-term drift.
Programmable firmware controls include sample
averaging, auto-zero (tare), baud/output rate,
temperature compensation* and more. The D701 also
has on-board memory, with storage capacity up to
22,000 samples. Use the D711 for volcano monitoring,
geotechnical engineering, structural monitoring,
platform leveling, and more.

                                   D701-A (High-gain)                            D701-B (Mid-Range)

Angular Range                      Â±0.5Â°                                                             Â±5.0Â°

Resolution                         1 Î¼radian                                            10 Î¼radian

Repeatability                      4 Î¼radians (static)                           10 Î¼radians (static)

Non-Linearity                      0.4%                                                              0.1%

Time Constant                      0.15 sec                                                          2 sec

Kz Temp Coefficient (bias/Â°C)                               Â±3.5 Î¼radians/Â°C (typical)

Ks Temp Coefficient (%/Â°C)                                  Â±0.02%/Â°C (typical)

Output                                                      RS232, RS422 (RS485 full duplex)

Output Format                  NMEA XDR, Trimble TCM, Ashtec compatible, Simple (default: X, Y, Temp., S/N)

Baud Rate                          9600 (default), 19200, 28800, 57600, 115200, 230400

Channels                                                    X-tilt, Y-tilt, Temperature, Serial No.

Power                              7-28 VDC @ 30mA, 250 mV ripple max, reverse polarity protected

Environmental                      -40 to +85 C operation and storage; IP65

Dimensions                         6 x 6 x 4 inches (15 x 15 x 10 cm), 3 lb (1.4 kg)

Materials                                                   Anodized and painted aluminum

Cable                          10 ft. (3m) multiconductor cable + overall shield, PVC jacket, connectors included

               Specifications subject to change without notice on account of continued product development

Ordering Code                                               Accessories

                                                            Part No.     Description
                                                            70304
                                                            62401        Power/signal cable, 10-conductor
                                                                         (specify total length on order)
                                                                         Extra female panel receptacle
                                                                         (one included with tiltmeter)

                                                            719-AL Vertical mounting bracket (L-bracket)

                                                            718-AL Horizontal mounting plate

                     Jewell Instruments LLC 850 Perimeter Road, Manchester, NH 03103
           sales@jewellinstruments.com â€¢ www.jewellinstruments.com â€¢ Tel (800) 227-5955

                                                                                                                                                          L00208 Rev. D</code></pre>
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