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Readouts 

Model 

Probe Types 

Accuracy at 0 °C 

Features 

1575A 

SPRTs, PRTs, Thermistors 

4 ppm accuracy; resolution to 0.0001 °C for SPRTs and 0.00001 °C for thermistors; 2 channels; add 10 more channels with a mux. 

1590 

1 ppm accuracy; patented DWF connectors; color display; add up to 50 channels with muxes. 

1560 

Accepts any combination of the modules below; all are easily added to and removed from the 1560 base. 

2560 

SPRTs, PRTs 

2 channels of 25W or 100W PRTs. 

2561 

HTPRTs 

2 channels to 1200 °C. 

2562 

PRTs 

8 channels of 2-, 3-, or 4-wire RTDs. 

2563 

Thermistors 

2 channels of resolution to 0.0001 °C. 

2564 

Thermistors 

8 channels for data acquisition. 

2565 

Thermocouples 

Reads most TC types with 0.0001 mV resolution. 

2566 

Thermocouples 

Reads any combination up to 12 channels of virtually any type of TC. 

2567 

1000W PRTs 

2 channels of high-resistance PRTs. 

2568 

1000W PRTs 

8 channels of high-resistance PRTs. 

1529 

PRTs, Thermistors, Thermocouples 

Four channels can all be measured simultaneously; battery-powered; logs up to 8,000 readings; flexible display. 

1502A 

PRTs 

1504 

Thermistors 

Reads thermistors from 0 to 500 KW; uses Steinhart-Hart and CVD. 

1521 

PRTs, Thermistors 

Battery-powered, handheld thermometer; INFO-CON connector reads coefficients without programming. 

1522 

PRTs, Thermistors 

Stores up to 10,000 readings, plus 100 more on demand; reads PRTs and thermistors (calibrated or uncalibrated) interchangeably. 

Thermo-hygrometer 

Model 

Product 

Features 

1620A 

The “DewK”
Thermo-Hygrometer 

Two channels measure ambient temperature to ±0.125 °C and  %RH to ±1.5 %. Onboard memory holds up to two years of time/date-stamped readings. Visual and audio alarms. Detachable sensors contain their own calibration data for easy recalibrations.  NEW! Ethernet and wireless capabilities.

Reference Multimeter

Model 

Product 

Features