Current Loop Calibrators

Transducer Simulator A portable calibration and measurement unit for process industry transmitters (Tx) and receivers (Rx) in 4 to 20mA loop systems. Acts as a current source, load, line supply and transducer simulator. Precision Tx Simulation with loop drive (14-40V adjustable), for Rx test Current meaure with loop drives supply for Tx test Requires 8 x AA rechargeable batteries Ranges 0-99.99mA, 0-9.999mA, 0-0.9999mA Accuracy (source) ±0.02% of setting. ±0.02% range ±0.02μA Accuracy (measure) ±0.05% of reading ± 1 digit. Input drive allowed, 3V to 30V Stability Compliance Drive 14V - 40V adjustable Compliance Error Front panel LED warns of insuficient drive voltage Display 3.5 LCD display for current measure. Max 19.99mA, 10μA resolution Power 8 AA Nicad re-chargeable batteries. Approx 10hrs oper ating time Supplied with 8 rechargeable batteries and a mains recharger

Calog LOOP II Handheld Calibrator The Calog LOOP II is a high precision, multi-function, hand-held calibrator designed for the process control industry. Its speciality is milliamp loop powered instruments which it can measure, source and simulate. DC voltage and circuit continuity can also be measured. Measure, source or simulate 0 to 24 mA Measure 0 to 32 Vdc Continuity test function Increment, step, auto step or ramp with built-in 24V power supply for mA loops Displays values in mA and % or % and mA Logged data is downloaded via the onboard USB port Trend logging with programmable timebase of all measured values Supplied with Carry case, protective rubber boot, Li-ion battery, charger, test leads, SD card

Fluke 789 Combined Multimeter and Loop Calibrator The Fluke 789 ProcessMeter is a combined digital multimeter and loop calibrator. Precision 1000V, 440mA digital Multimeter measures a.c. and d.c. volts, a.c. and d.c. current, resistance, continuity and frequency. d.c. mA current source / loop calibrator / 20mA current source/ simulator / % of scale readout True r.m.s. a.c. voltage measurement Frequency measurement to 20kHz Min./ Max./Peak Hold/Hold/Relative modes 24V loop power supply Manual Step, Auto Step, Auto Ramp 0% and 100% buttons to toggle between 4 and 20mA 1200 Ohm drive capability on mA source HART mode setting with loop power incorporating 250 Ohm resistor Externally accessible battery Diode test and Continuity Beeper Large dual display LCD 4000 display count 2 brightness settings for backlight Technical Specification DC Voltage Accuracy ±0.1% DC Current Accuracy ±0.05% DC Voltage Digits +1 D DC Current Digits +2 D DC Voltage Lowest Range 4V DC Current Lowest Range 30mA DC Voltage Highest Range 1000V DC Current Highest Range 1A DC Voltage Lowest Resolution 0.001V DC Current Lowest Resolution 1μA AC Voltage Accuracy ±7% AC Current Accuracy ±1% AC Voltage Digits +4 D AC Current Digits +2 D AC Voltage Lowest Range 400mV AC Current Lowest Range - AC Voltage Highest Range 1000V AC Current Highest Range 1A AC Voltage Lowest Resolution 0.1mV AC Current Lowest Resolution 0.001A AC Voltage Max Frequency 20kHz Resistance Accuracy ±0.2% Resistance Digits +2 D Supplied with TL75 test lead set, AC72 crocodile clips, four AA alkaline batteries (installed).

705 Loop Calibrator Low cost calibration muscle The Fluke 705 Loop Calibrator is a cost-effective, integrated solution for calibration, repair and maintenance of current loops. Features and Benefits • mA sourcing, simulation and measurement • 0.02 % accuracy and 0.001 mA resolution • Simultaneous mA and % of span display • Selectable step or ramp outputs • 24 V Loop supply with mA measure • 0 V dc to 28 V dc measurement to check Loop Voltage • Removable battery door for quick battery replacement • Compact case with protective holster Temperature range 18 to 28°C Range Resolution Accuracy Voltage Measure 0 to 28V 0.001V 0.025% Rdg + 1 LSD mA Measure 0 to 24mA 0.001 mA 0.02% Rdg + 2 LSD mA Source 0 to 24 mA 0.001 mA 0.02% Rdg + 2 LSD Max load 1000Ω Loop Supply 24Vdc n/a 10% General: Maximum voltage 30V Temp. coefficient -10 to 18°C, 28 to 55°C, ±0.005% of range per °C Supplied with 9V installed alkaline battery, AC70A alligator clips, C10 protective yellow holster Flex-Stand™, instruction sheet, TL75 safety-designed test lead set, NIST- traceable calibration report and data