Model No. 1007 Portable Analogue Electronic Measuring Micro Switch Instruments

This is a high-performance, Micro Switch Instruments Model No. 1007 with A 2A c accuracy, capable of temperature monitoring, indication & control, for the protection of 10mva and above rating power transformers and industrial process control equipment.

Technical data:
dial diameter 115 segment dial
angular sweep 60A
range 0-160A c[other ranges available are 0- 120A c, 0-150A c, 20-140A c, & 30-150A c]
accuracy A 3A c
graduations 2A c per division

Switch configurations:
maximum number of switches 4
switch type heavy duty micro switch
switch rating 15a at 125/250v ac
switches s1 - alarm
s2 - trip
s3 - fan control-1
s4 - fan control-2
normally open type
adjustable range 40A c - 140A c
switch differential s1 & s2 = 3 - 5A c fixed [alarm & trip]
s3 & s4 = adjustable from 8 to 40A c [cooler control]
switch accuracy A 3A c of the set value
contact type switch contacts are potentially free

Salient features:
# No external power supply is required for indication or operation.
# Liquid in metal expansion provides a self-powered system.
# Fully compensated for ambient temperature changes in line & case.
# Built-in thermal imaging for transformer `hot spot` temperature indication.
# Weatherproof case for outdoor services [ip 55].
# Maximum capillary length of 25 mtrs.
# Up to 4 control switches are available.
# Sealed system which requires no trimming or periodic site adjustments.
# All parts are made of non-corrosive or surface treated
# Materials.