Check the listing for details. Lab DC Resistance Box DC Wheatstone Bridge Single arm DC Bridges. Condition: New. Listed at 255.00 USD. Lab DC Resistance Box DC Wheatstone Bridge Single arm DC Bridges Uses and Features 1.1 This is a portable two-terminal DC bridge, the measurement range is 0~11.110MΩ in seven ranges, and the accuracy is 0.1. Suitable for measuring various DC resistances in laboratories, workshops and sites without AC power 1.2 The PIIT type high-strength engineering plastic shell made of T300 polypropylene resin has the characteristics of beautiful appearance, corrosion resistance, and good anti-extrusion performance, especially suitable for field use 1.3 The bridge adopts JZ8 high-performance electronic amplifying zero-pointing instrument, which only has mechanical zero adjustment and no electrical zero adjustment, and has functions such as automatic power cut off. The zero indicator has the characteristics of high sensitivity, good reliability and strong anti-overload capability. As easy to use as a tension wire galvanometer. 1.4 The resistance elements used in the bridge are made of manganese copper wire with low temperature coefficient, wound on the porcelain tube in a non-inductive way, and subjected to strict process treatment and long-term artificial aging, so the resistance elements have high accuracy and good stability Main technical indicators 2.1 Implement the national standard "GB3930-83 Resistance Bridge for Measurement" 2.2 Environmental conditions of use Reference conditions: temperature 20℃±2℃, relative humidity 40%~60% Nominal conditions: temperature 10℃-30℃, relative humidity 25%-75% 2.3 Total effective range: 0-11.110MΩ 2.4 Main parameters meet the requirements of Table 1 magnification Effective range Resolution Accuracy Class Index (C) Reference value Bridge power * ** Dimensions: 314mm x 276mm x 167mm Weight: 3.7kg.