Additel 835 Portable Calibration Bath with Optional Process Calibrator

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110V or 220V
Quick to temperature
Optional built-in process calibrator

SKU

ADT835

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Description Technical Info Reviews

The Additel 835 has a bath size of 90 × 90 mm, an accuracy of ±0.1°C, and a temperature range from –30°C to 150°C or 33°C to 250°C, depending on the model. The 835 features advanced data logging, built-in application tools, and a 6.5-inch TFT touchscreen and intelligent remote control functionality.

Models with the Process Calibrator (PC) option integrate a multi-channel thermometer readout and documenting capabilities. This allows simultaneous measurement of a reference sensor and UUT channels, along with automated logging, “as found”/“as left” results, and simplified calibration documentation. Available in both 110 V and 220 V configurations.

Additel Calibration Baths

ADT835 Calibration Bath - Features and Overview

Key Features

Engineered for exceptional portability and performance
Extended temperature range: -30°C to 250°C
High-precision accuracy: ±0.1°C
Compatible with a wide range of probe types and sizes
Optional built-in process calibrator
Quick to temperature
Delivers outstanding stability and uniformity
Fast thermal response for efficient operation
Features advanced dual-zone heating technology
One touch self-calibration
Designed with robust electromagnetic interference protection
835-150
- Heats to 150°C in 30 minutes
- Cools to -25°C in 45 minutes
- Cools to -30°C in 55 minutes
835-250
- Heats to 250°C in 55 minutes
- Cools to 100°C in 30 minutes
- Cools to 33°C in 45 minutes

What's Included?

Calibration Bath
AC power cable
USB cable
Two Test leads, 1 red 1 black (only ADT835PC-L-150/ ADT835PC-H-250)
Top sealing cover
Multiple hole Teflon cover
Protection basket
Fluid overflow box
ISO 17025 accredited calibration

Product Range

Additel ADT835-150-110V Portable Calibration Bath, -30°C to 150°C, 110V
Additel ADT835-150-220V Portable Calibration Bath, -30°C to 150°C, 220V
Additel ADT835-250-110V Portable Calibration Bath, 33°C to 250°C, 110V
Additel ADT835-250-220V Portable Calibration Bath, 33°C to 250°C, 220V
Additel ADT835PC-150-110V Portable Calibration Bath, -30°C to 150°C, 110V & Process Calibrator
Additel ADT835PC-150-220V Portable Calibration Bath, -30°C to 150°C, 220V & Process Calibrator
Additel ADT835PC-250-110V Portable Calibration Bath, 33°C to 250°C, 110V & Process Calibrator
Additel ADT835PC-250-220V Portable Calibration Bath, 33°C to 250°C, 220V & Process Calibrator

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Technical Information

Specification

	835-150	835-250
Range at 23°C	-30 ~ 150 °C	33 ~ 250 °C
Display Accuracy	± 0.1 °C	± 0.1 °C
EXT REF Accuracy ^[1]	± 0.05 °C	± 0.05 °C
Stability ^[2][3] (10 mins)	± 0.01 °C	± 0.015 °C
Uniformity ^[2][3]	± 0.02 °C	± 0.03 °C (≤200 °C) ± 0.04 °C ( > 200 °C)
Repeatability	0.04 °C (internal reference) 0.01 °C (external reference)	0.04 °C (internal reference) 0.01 °C (external reference)
Heating Time	18 min (-30 ~ 23 °C) 30 min (23 ~ 150 °C)	20 min (23 ~ 100 °C) 35 min (100 ~ 250 °C)
Cooling Time	45 min (150 ~ 23 °C) 45 min (23 ~ -25 °C) 55 min (23 ~ -30 °C)	30 min (250°C ~ 100°C) 45 min (100°C ~ 33°C)
Typical Time to Stability	10 min
Working Area	φ75mm circular zone of bath centre, 15mm above bath bottom & 65m m below the fluid level Maximum media depth: 155 mm
Opening Size	90 x 90 mm
Media Recommendation	10cSt DOW CORNING XIAMETER PMX-200	50cSt DOW CORNING XIAMETER PMX-200
Volume	Max: 2.5 L
Temperature Units	°C, °F, K
Resolution	Adjustable, up to 0.001 °C
Display	6.5 in (165 mm) colour touch screen, 640*480 pixels, dark or bright theme switchable Refresh rate: 4 times/s
Warm-up Time	15 min
Environment	Operating temperature: 0 ~ 40°C Guaranteed accuracy: 13 ~ 33°C Storage temperature: -20 ~ 60°C Humidity: 5%RH~95%RH, non-condensing Altitude: < 2000 m
Mechanical Testing	Vibration: 2g Impact: 5g Package drop test: 1 m
Size	7.5 x 16.2 x 15.2 in (191 W x 412 H x 387 D mm) 7.5 x 18.1 x 16.77 in (191 W x 460 H x 426 D mm) with handle, o verflow tube
Weight	35.27 Ibs (16 kg) for non-PC unit 35.94 Ibs (16.3 kg) for PC unit	30.86 Ibs (14 kg ) for non-PC unit 31.53 Ibs (14.3kg) for PC unit
Power Requirements	-110V: 100~120V, 50/60 Hz, fuse: 8A 250V -220V: 200~230V, 50/60 Hz, fuse: 4A 250V Maximum power consumption: 800W
IP Rating	IP20, indoor use only
Communication	USB-A, USB-B, LAN, WIFI, BLE
Languages	English, Chinese, Japanese, Russian, German, French, Italian, and Spanish
Additel Warranty	1 Year
^[1] With AM1730-12-ADT ^[2] 1.25 times when the bath operates without a bath cover ^[3] 1.25 times when the environmental temperature is outside 13~33°C