RH355 EXTECH INSTRUMENTS, RH355 Datasheet

SUPERHEAT PSYCHROMETER, 90%RH, ±3%

RH355

Manufacturer Part Number
RH355
Description
SUPERHEAT PSYCHROMETER, 90%RH, ±3%
Manufacturer
EXTECH INSTRUMENTS
Datasheet
1.589250.pdf (1 pages)

Specifications of RH355

Humidity Range
10% To 90%
Accuracy %
3%
Resolution (°c)
0.1°C
External Height
230mm
External Width
57mm
External Depth
44mm
Lead Free Status / RoHS Status
na
www.extech.com
SuperHeat Psychrometer
Ordering Information:
RH350 ..........................Superheat Psychrometer
RH350-NIST ................RH350 with NIST Certificate
RH355 ..........................Superheat Psychrometer Kit
RH355-NIST ................RH355 with NIST Certificate
872501-S ....................Type K Temperature Probe (for Model RH350)
RH350-CAL ..................33% and 75% RH calibration reference
589250 ........................RS-232 cable for RH350
Features:
•
•
•
•
•
•
•
•
•
•
•
•
•
Superheat differential measurements:
T1-T2, Air-T1, T1-Dewpoint
Dual Type K external temperature probe inputs (T1, T2)
Simultaneous display of %RH, Temperature and
Dew point or Wet Bulb or External Probe Temperatures
Built-in RS-232 interface — uses optional
Windows® 95/98/2000/ME/NT/XP compatible software
Retrieve Max/Min readings with data and time
plus Average function
Real time clock
Triple display with backlighting
Unique sensor cap design twists to closed
position for protection during storage
Switchable °F/°C temperature units with 0.1° resolution
Data Hold freezes current reading on display
Auto power off to save battery life
RH350 complete with two Type K bead wire
temperature probes and 4 AAA batteries
Optional RH355 kit includes RH350, 33% and 75%
calibration bottles, PC software with cable cable, and case
RH355 Superheat Psychrometer Kit includes
meter, 33% and 75% calibration bottles, 2
temperature probes, software with cable, 4
AAA batteries and carrying case.
Plus built-in memory stores up to 99 data records
Two Type K External Probe inputs for Superheat
Specifications subject to change without notice.
Copyright © 2007-2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
Specifications:
Humidity
Temperature (internal)
Temperature (external)
Dew Point
Wet Bulb
Dimensions
Weight
Range
10 to 90%RH
-4 to 122°F (-20 to 50°C)
-328 to 2498°F (-200 to 1370°C) 0.1°
-90.4 to 122°F (-68.0 to 49.9°C)
-6.9 to 122°F (-21.6 to 49.9°C)
9 x 2.2 x 1.7" (230 x 57 x 44mm)
5.3oz (153g)
Max Resolution
0.1% RH
0.1°
Basic Accuracy
±3% RH
±1.8°F or ±1°C
±0.3% or ±1.8°F/±1°C
7/1/08 - R1