Accumeasure HD

Picometer Resolution Capacitance Measurement System

The D200HD is a two-channel, picometer scale, capacitance based, displacement measurement instrument for conductive targets.

The D200HD achieves very high resolution with the aid of external preamplifiers that are located close to the probes that eliminate parasitic capacitance effects which cause noise. Digital communication is provided via Ethernet or USB. The bandwidth and range extension of the probes are digitally programmable. Resolutions as low 20pm may be achieved with a 10um range probe.

Features

Resolution ≤ 0.0000001 √(Hz) FSR

Temp Amplifier useable from 0-40°C, Preamp up to 50°C, Probes up to 150°C

Drift < 200 PPM / ° C (Amplifier & Probe Preamp )

Probe Standoff 10% of specified probe range

Linearity ± 0.01% FSR (at 1X)

Range extensions Up to 5X, and up to 10 range extensions per channel (2 standard)

Digital Frequency response 5kHzt

Specifications

Measurement Range	0 to 2mm
Noise	≤ 0.0000001 √(Hz) FSR
Repeatability	100PPB
Digital Resolution (LSB)	1pm
Long TermStability/Drift	20ppm/month or better at 20°C
Digital Linearity Accuracy	±0.01 % FSR
Digital FrequencyResponse	5kHz
Output Data Rate	20k (SPS)
Temperature Stability	± 100 ppm/°C
Digital Butterworth Filter	50, 100, 500, 1kHz, or 5kHz
Exponential Filter	No filtering
Range Extensions	5X max
ADC bit count	24 bits
Basic Interface	Command-Response, ASCII commands
Digital Output	Micro USB and RJ-45 Ethernet 10-100
Digital Latency	< 4ms (Cap input to Ethernet output)
Encoder Input	0-24VDC max A quad B 500k RPM
IncludedSoftware	MTI Basic, LabView, .NET and DLL Drivers
OperatingTemperature	0-40°C, 95% non-condensing
OperatingEnvironment	IP40
PowerRequirements	24 VDC < 8W
Target Ground Return	Integrated with powerconnector
Input Protection	Reverse Polarity(Over volt to 35VDC)
ESD Protection	± 4kV Contact and ±8kV Air
Amplifier Case Dimensions	2”(53mm) H x 4”(103mm) W x 4.7” (120mm)D
Case Mount	DIN Mount Kit
Preamp Connectors	M12-8
Power andConnectors	Phoenix screw terminal
Preamp to Amp cable length	3 meters
Preamp Case Dimensions	87mm L x 47mm W x 25 mm H
Probe Connectors	SMA
Probe to preamp cable length	177mm (7 inch)
Number of Channels	1-2)
Multi channel synchronization	Master Slave (simple wire)

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Accessories

P/N	MODEL	PRODUCT DESCRIPTION
8000-6925	Power Supply	DIN mount (includes power cord and 24VDC harness)
8000-6887	Ethernet Cable	RJ45 to RJ45, 2.1 meter (7ft)
8000-6929	USB Interface Cable	Micro USB-Male to USB Micro USB-Male, 1 meter (3.1ft)
8000-6882	DIN Rail Section	250mm (10inch) din rail for wall mounting power supply
8000-6889	T-Connector	Synchronization adapter to daisy chain multiple systems
8000-6888	Sync Cable	Cable to sync multiple systems (SMA-M to SMA-M)
7500-6811	Fixture	Non-conductIve Material Fixture