User manual
Register output specifications & wiring  Page 14/16 
AC_ILR_BA_02_1610 
5.4. Pulse transmitter (model ILR 740) 
Orientation: The register must be mounted as delivered. The transmitter will not function 
if mounted differently. 
Transmitter wiring 
Reed switch outputs: Green and white. 
Ratings: Max power: 10W (not to exceed!); max. voltage: 200 VDC/peak AC; max. 
current: 0.5A DC/peak AC. 
Outputs: Raw reed switch output with no signal conditioning. 
       Pulse per unit of measure (IOG series) 
Note: Actual pulses per unit of measure are listed on the calibration certificate 
provided with the meter. 
Meter  Pulse 
per gallon 
Pulse 
per liter 
½” 378.5 100 
¾”  249.8  66 
1” 249.8 66 
1” HF  162.8  43 
1 ½”  64.4  17 
2” 34.1 9 
3” 11.4 3 
ILR 740
Green
White
Figure 17: ILR 730 wiring 
Figure 16: Pulse transmitter










