Beta Calibrators and Electronic Test Equipment

We make calibrators as if your process depends on them.

We're BETA Calibrators, a unit of Martel Electronics Corporation. Together we are the largest maker of instrument calibrators and calibration systems in North America. Our combination of high performance, productivity, and reliability have made ours the calibrators of choice world-wide.

Featured Products

[Beta 800] Universal Temperature Calibrator
	High accuracy ±0.4°C J T/C and ±0.3°C 4W PT385 RTD all errors included 10 T/C types and 8 RTD types including PT 385 (1000 ohm) and cu (10 ohm Direct keyboard entry or scroll control of output Nema 4 rated case, rugged design RTD simulation works with all pulsed (smart) transmitters YSI 400 series thermistor range for medical applications Standard mini-plug or banana jack connections for T/C Store up to nine setpoints for each output function RS232 Interface Click to Download Data Sheet

[BetaGauge 320] Portable Pressure Calibrator
	27 Available Ranges in Gauge, Vacuum, Absolute and Differential modes Isolated Sensors with 316 S.S. Wetted Parts in Most Configurations Single or Dual Sensor Configurations CSA Intrinsic Safety Rating for Hazardous Area Use Rechargeable NiCd Battery Pack Power Display in Eight Different Engineering Units plus User Defined Unit Optional 24 VDC Loop Power Supply Measurement of mA/VDC. Minimum/Maximum Measurement Memory Trip Detect for Pressure Switch Testing % Error Display Battery Check Port Select to view any two measurements simultaneously Damping Economical, Easy-to-use, Compact, Rugged and Reliable Click to Download Data Sheet

[Beta 850] Multi Function Calibrator
	±0.4 °C thermocouple/±0.3 °C RTD accuracy ±0.015% of reading electrical accuracy Ten (10) T/C types and eight (8) RTD types, plus YSI 400 Read and source modes Full function 4 to 20 mA read, source, simulate, and read/power modes with ±0.015% of reading accuracy Source or read 0 to 20 Volts (±0.015% of reading accuracy) Measure 0 to 250 VDC or VAC Direct keyboard entry enables quick output changes Store up to nine (9) setpoints for each output function RTD function compatible with all pulsed transmitters RS232 interface Supplied in full rubber boot Click to Download Data Sheet

[Beta 135] DC/Frequency Documenting Calibrator
	ISO 9000 Compliance 4 Line Display Real-time Clock/Calendar Updates from Host Computer Data for 20 Instruments As Found - 20 Points As Left - 20 Points Pass/Fail Evaluation Criteria Battery-backed RAM Pressure Module Interface Hz, V, mV, and mA Click to Download Data Sheet

[Modules] Pressure
	24 standard ranges Gauge, vacuum, absolute, compound, and differential measurements Accuracy specified over 15C to 35C range Isolated and non-isolated measurements, range dependant Click to Download Data Sheet

[BetaGaugePI] Digital Pressure Test Gauge
	Very high accuracy compared to analog test gauges; ±0.05% F. S.; temperature compensated Temperature compensated accuracy over 0 to 50 °C Eight (8) standard pressure ranges Displays in 18 standard or fully custom engineering units Displays ambient temperature in °C or °F Large, back-lit, 5-1/2 digit display with 0.65" high digits and 20 segment bar graph Rugged stainless steel case meets NEMA 4/IP65 Password-protected “through the keypad” calibration MIN/MAX recall Adjustable TARE zeros large system offsets User-configurable sample rate maximizes measurement performance and battery life User-configurable damping smooths readings from pulsating/plant air sources Auto Shut-off for extended battery life Low battery indicator CSA intrinsically safe, Class 1, Div. 1 approvals pending CE approved Available with optional sanitary seal Available with optional 24 V external power input Available with optional rubber boot Also available as a kit (with pump) Click to Download Data Sheet Click to Download Product Comparison