Test Equipment Calibrator Part #25299 Probe simulators for calibrating controllers and recorders. 4-20 Milli-amp Source   Calibrator Part #25297 Probe simulators for calibrating controllers and recorders. RTD Similator   Calibrator Part #25298 Probe simulators for calibrating controllers and recorders. Type J TC Similator   Hand Pump Pressure Calibrator Part #75208 The pressure calibrator is marked for 0-18 psig and is accurate within 1% of range span. It is a small, hand-held unit for calibrating pressure instruments. Unit includes carrying case.   Slack Tube Manometer Part #75068 8"-0-8" WC manometer will set up to read static pressure, vacuum and differential pressure. Made of durable plastics so it can be rolled up when not in use. Comes complete with magnets for hanging and plastic carrying case.   Turbo Meter Part #75261 Electronic speed indicator to read air velocities. Small pocket size, made of durable plastic. Operating temperature of 32 to 122 F (0-50 C). Runs on 3 AAA batteries with a 3 digit display and measures knots, feet per minute, meters per second, miles per hour. Unit includes carrying case.