Gebrüder HAFF GmbH
manufacturers of drawing  and mathematical instruments

Tiroler Straße 5
D-87459 Pfronten
Tel. +49-8363-91220
Fax +49-8363-912233
email: info@haff.de

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Root Planimeter No. 336E

Radial Square Root Planimeters are used for evaluation of flowmeter and temperature charts.
It serve to determine the mean height of curves in circular charts recorded proportionally to the exponent of the desired quantity (non linear height divisions). The guide cam be designed to obey any arbitrary recording law, for quadratic or almost linear or linear divided charts.

Digital-Radial Square Root Planimeter HAFF No. 336E
Chart size: Min. diameter of base circle: 22 mm
                 Max. diameter of outer circle: 330 mm
Digital Readout
Electronic zero setting
Electronic calibration
Accuracy better than 0,2 mm of a chart with a height of 100 mm
Data output (for interface No. 322)
Power supply: rechargeable battery given 30 hours continuous use 15 hours recharging time
Total weight: 1,25 kg

A sample chart should always be attached to your inquiry or order.

Turntable (board) 400 x 300mm  No. 336-99
Radial Square Root Planimeter with vernier reading  No. 312E
Radial Planimeter with vernier reading  No. 311E