Introduction – American Magnetics 135 & 136 Liquid Helium Level Instruments (CE-Marked) User Manual

Page 20

Rev. 3

Introduction

Specifications

Physical

Dimensions (Standard):

97 mm H x 213 mm W x 273 mm D

(3.8" H x 8.4" W x 10.75" D)

Weight (Standard):

1.8 kg (4.0 lbs.) for Model 135

2.0 kg (4.3 lbs.) for Model 136

Dimensions (Rack Mount):

89 mm H x 483 mm W x 273 mm D

(3.5" H x 19" W x 10.75" D)

Weight (Rack Mount):

2.3 kg (5.0 lbs.)

Environmental

Ambient Temperature:

Operating: 0 °C to 50 °C (32 °F to 122 °F)

Nonoperating:

−

20 °C to 60 °C (

−

4 °F to 140 °F)

Relative Humidity:

0 to 95%; non-condensing

a. Under extreme radiated electromagnetic field conditions (3V/m at 150 MHz to 170

MHz), the accuracy may be degraded to an absolute error of

0.3 cm.

b. Maximum active sensor length is limited to 64 inches for input line voltages below

105 VAC or 210 VAC.