Laurel Electronics Laureate Frequency, Rate & Period Meter User Manual
Page 3
LAUREL
ELECTRONICS INC., 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 3
Serial Data I/O (optional)
Board Selections
Protocols
Data Rates
Digital Addresses
Isolation
Ethernet, Ethernet-to-RS485 server, USB, USB-to-RS485 server, RS485 (dual
RJ11), RS485 Modbus (dual RJ45), RS232, Modbus RTU, Modbus ASCII,
Laurel ASCII protocol
300 to 19200 baud
247 (Modbus), 31 (Laurel ASCII).
250V rms working, 2.3 kV rms per 1 min test
Environmental
Operating Temperature
Storage Temperature
Relative Humidity
Protection
0°C to 60°C
-40°C to 85°C
95% at 40°C, non-condensing
NEMA-4X (IP-65) when panel mounted
Electrical Connections
Mechanical
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- LT: 4-20 mA & Serial Data Output Transmitter for Average Time of Periodic Events (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for Time of Single or Accumulated Events (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for AC Phase Angle & Power Factor (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for Ratio (4 pages)
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- LT: 4-20 mA & Serial Data Output Transmitter for Dual Channel Pulse Totalizer Input (4 pages)
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- LT: 4-20 mA & Serial Data Output Transmitter for Load Cell & Microvolt Signals (4 pages)
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- LTE: Ethernet & 4-20 mA Output Transmitter for Strain Gauge & Potentiometer Input (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for Process Signals (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for AC RMS Voltage or Current Input (4 pages)
- LT: 4-20 mA & Serial Data Output Transmitter for DC Voltage or Current Signals (4 pages)
- LTE SERIES TRANSMITTERS PULSE INPUT (40 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Duty Cycle Input (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Position or Rate from Quadrature Encoders (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Average Time of Periodic Events (5 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Time of Single or Accumulated Events (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for AC Phase Angle & Power Factor (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Ratio (5 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter & Totalizer for 0-1 mA, 4-20 mA or 0-10V Signals (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Dual Channel Pulse Totalizer Input (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Frequency, Rate or Period Input (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Resistance in Ohms (4 pages)
- LTE: Ethernet & 4-20 mA Output RTD Transmitter for Pt100, Cu10 and Ni120 RTD Input (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Thermocouple Types J, K, T, E, N, R, S (4 pages)
- LTE: Ethernet & 4-20 mA Transmitter for Load Cell & Microvolt Signals (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for Process Signals (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for AC RMS Voltage or Current (4 pages)
- LTE: Ethernet & 4-20 mA Output Transmitter for DC Voltage or Current (4 pages)
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