Leeds & Northrup Controllers

recorders	controllers	parts	systems	test equipment
bench repair	overhaul "before & after"		transmitters	IR & optical

Process Instruments stocks all L&N controllers. See the below list for available models. Please supply a complete model number or specifications for a quotation. (For email requests please supply the model number.)

Replacement parts for all controllers are available.

click here for info

Leeds+Northrup Auto Tune Controller

TC8 1/8 DIN temperature controller

TC16 1/16 DIN temperature controller

with dual 4-digit LED display

Universal input (TC, RTD, linear)
Independent alarms are programmable with automatic or manual reset
TC16 has up to 2 independent alarms; TC8 has up to 3 independent alarms
SMART - self-tuning algorithim for Heat or Heat/Cool control

Centry

Emax lll

Series 80

Series 60

Models in Stock

Model	Controller Type	Available Styles
100	Speedomax H R Indicator	Circular scale controller
10260	Motor Valve Actuators	Valve drives, all styles
10288	Motor Valve Actuators	Valve drives, all styles
11270	Motor Valve Actuators	Valve drives, all styles, high torque
1300	Process Programmer	Setpoint process programmer
1500	1500 Series Controllers	Analog controller, all styles
200	Speedomax H R Series	Circular chart recorder controller
2020	Star 1 Series	Analog controller, all styles
220	Speedomax H R with E III	H circular recorder / Electromax 3
2400	Temperature Controller	Digital process controllers, 1/4 DIN
2720	MDM 20 Alarm Monitor	20 channel alarm monitor
2783	Trendscan Alarm Processor	Trendscan multipoint alarm monitor
300	Speedomax H Series	Strip chart recorder controller
320	Speedomax H with E III	H recorder with Electromax 3
420	Centry Series	Analog systems controllers
50	Series 50	Analog controller, all styles
500	Speedomax W Series	Strip chart recorder controller
60	Series 60	Analog controller, all styles
6000	Electromax V Series	Digital controller, all styles
6010	Electromax V Plus Series	Digital controller, all styles
6430	Electromax III Series	Analog controller, all styles
6440	Electromax IV Series	Analog controller, all styles
7070	pH / Conductivity Monitor	Analog pH / conductivity controller
7073	pH / Conductivity Monitor	Analog pH / conductivity controller
7075	pH / Conductivity Monitor	Analog pH / conductivity controller
7081	pH / Conductivity Monitor	Digital pH / conductivity controller
7082	pH / Conductivity Monitor	Digital pH / conductivity controller
71	M-Line Series	Analog systems controllers, all styles
7100	Millitemp Series Controllers	Analog controller, all styles
LN-1	Power Control Packs	AC power controllers
Micromax	Micromax Controller Series	Analog controller, all styles
Micromax I	Micromax II System	Distributed control system; LPU's
Micromax II	Micromax II System	Distributed control system; LPU's
Trendtrak	Speedomax H Series	Cam programmer / curve follower
TC8	TC8 Autotuning Controller	Digital autotuning universal controller
TC16	TC16 Autotuning Controller	Digital autotuning universal controller

Home

Calibration

Field Service

Legacy Support

Leeds & Northrup
Honeywell
Hagan Instruments

Quality