Instrumentation
Temperature Transmitters
Current Transformer                  LTTJ Push-Button Temperature Transmitter   659
0 to 10 VDC Analog Output, Fully 
Programmable, RTD or Thermocouple 
Adjustable Output, Over Voltage  Input, In-Head Mounting. 659 accept 
Protection.Love Controls LTTJ  allow  thermocouple (J,K,T) or RTD(Pt100Ω) 
easy monitoring of the current flowing  input and provide a linearized 
to your load. This easy to use device  4-20 mA output. The transmitter is 
provides a 0 to 10 VDC signal into  quickly ranged and calibrated by 
both low and high impedance circuits,  using a single on-board switch. 
and is easily scalable to your needs. An LED provides visual indication of 
LED for visual confirmation. sensor fault and programming mode.
Temperature Transmitter           650 Temperature Transmitter           651
4-20 mA Signal, Two Wire Operation, 
RTD or Thermocouple Input, Zero and 
Temperatures from -55 to 180°C. span adjust,linearized 4-20 mA signal.
650 combines low cost with small size  Linearized output for precise 
making it ideal for a wide variety of  temperature monitoring or control is 
HVAC, industrial and commercial  combined with small size and quick, 
multi-point temperature monitoring  easy mounting. Rugged 651are 
applications. Non-polarized terminals  designed for use with 2 or 3-wire 
simplify connection to any 12-35 VDC  Pt100 RTDs (to DIN standard 43760 or 
power supply. BS1904) or ungrounded Type K .